CN107140879A - A kind of heat insulation floor and preparation method thereof - Google Patents
A kind of heat insulation floor and preparation method thereof Download PDFInfo
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- CN107140879A CN107140879A CN201710565838.9A CN201710565838A CN107140879A CN 107140879 A CN107140879 A CN 107140879A CN 201710565838 A CN201710565838 A CN 201710565838A CN 107140879 A CN107140879 A CN 107140879A
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- heat insulation
- insulation floor
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Classifications
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B26/00—Compositions of mortars, concrete or artificial stone, containing only organic binders, e.g. polymer or resin concrete
- C04B26/02—Macromolecular compounds
- C04B26/22—Natural resins, e.g. rosin
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/20—Resistance against chemical, physical or biological attack
- C04B2111/28—Fire resistance, i.e. materials resistant to accidental fires or high temperatures
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/60—Flooring materials
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2201/00—Mortars, concrete or artificial stone characterised by specific physical values
- C04B2201/30—Mortars, concrete or artificial stone characterised by specific physical values for heat transfer properties such as thermal insulation values, e.g. R-values
- C04B2201/32—Mortars, concrete or artificial stone characterised by specific physical values for heat transfer properties such as thermal insulation values, e.g. R-values for the thermal conductivity, e.g. K-factors
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2201/00—Mortars, concrete or artificial stone characterised by specific physical values
- C04B2201/50—Mortars, concrete or artificial stone characterised by specific physical values for the mechanical strength
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Building Environments (AREA)
- Floor Finish (AREA)
Abstract
The present invention provides a kind of heat insulation floor and preparation method thereof, is related to building material technical field, heat insulation floor includes the raw material of following parts by weight：Flyash, glass fibre, monostearate, charcoal, montmorillonite, rosin 5, diisocyanate, waterglass, kaolin, aluminum oxide, floating bead, expanded perlite, asbestos and foaming agent；Preparation method comprises the following steps：(1) weigh raw material, (2) stirring, (4) enter mould solidification.The present invention solves the problem of existing existing flooring material generally existing poor heat insulation effect, flame retardant effect difference and low intensity.
Description
Technical field
The invention belongs to building material technical field, and in particular to a kind of heat insulation floor and preparation method thereof.
Background technology
With social progress and the raising of living standards of the people, the requirement of people's construction material during fitting up indoors
Flooring material in more and more higher, especially construction material, still, heat insulation effect in existing flooring material generally existing
The problem of difference, flame retardant effect difference and low intensity, it is impossible to be properly arrived at the purpose of energy-conservation, fire prevention and structure safety and stability.
The content of the invention
Asking for poor heat insulation effect, flame retardant effect difference and low intensity in order to solve existing existing flooring material generally existing
Topic, it is an object of the invention to provide a kind of heat insulation floor and preparation method thereof, obtained heat insulation floor has high insulating effect, resistance
The advantage for the problem of fuel efficiency fruit is well and intensity is high.
The invention provides following technical scheme：
A kind of heat insulation floor, includes the raw material of following parts by weight：60-70 parts of flyash, 15-20 parts of glass fibre, list are hard
10-12 parts of resin acid ester, 5-9 parts of charcoal, 5-7 parts of montmorillonite, 5-7 parts of rosin, 0.2-0.8 parts of diisocyanate, waterglass 0.2-
0.6 part, 8-12 parts of kaolin, 4-8 parts of aluminum oxide, 6-10 parts of floating bead, 5-9 parts of expanded perlite, 3-9 parts of asbestos and foaming agent
0.2-0.6 parts.
Kaolin is with the addition of in raw material, kaolin has the advantages that plasticity is good, fire resistance is good and chemical stability is good.
Aluminum oxide is with the addition of in raw material, the fire resistance of aluminum oxide is good.
It with the addition of floating bead in raw material, floating bead has high, wear-resisting light weight, intensity, insulation, high temperature resistant and fire-retardant excellent
Point.
Expanded perlite is with the addition of in raw material, expanded perlite has the effect of insulation.
Asbestos are with the addition of in raw material, asbestos have insulation and fire-retardant effect.
Preferably, the raw material of following parts by weight is included：65 parts of flyash, 17.5 parts of glass fibre, 11 parts of monostearate,
7 parts of charcoal, 6 parts of montmorillonite, 6 parts of rosin, 0.5 part of diisocyanate, 0.4 part of waterglass, 10 parts of kaolin, 6 parts of aluminum oxide, drift
0.4 part of 8 parts of pearl, 7 parts of expanded perlite, 6 parts of asbestos and foaming agent.
Preferably, the kaolinic particle size is 400-500 mesh, under the particle diameter kaolin can more uniformly with
Other raw materials of heat insulation floor are mixed.
Preferably, the heat insulation floor also includes having many inside the mineral wool that parts by weight are 9-13 parts, mineral wool
Tiny hole, performance is good in insulation thermal insulation, sound absorption properties, corrosion resistance and chemical stability.
Preferably, the heat insulation floor also includes the expanded and vitrified small ball that parts by weight are 9-13 parts, expanded and vitrified small ball
Heat insulation property it is good.
Preferably, the heat insulation floor also includes the magnesia that parts by weight are 3-5 parts, the good flame resistance of magnesia.
Preferably, the foaming agent is sodium acid carbonate, and heating release carbon dioxide improves foaming effect, enhancing insulation ground
The heat insulating effect of plate.
A kind of preparation method of heat insulation floor, comprises the following steps：
(1) raw material is weighed according to the parts by weight of heat insulation floor raw material；
(2) other raw materials in addition to rosin and diisocyanate are added in high pressure homogenizer, in temperature control in 75-
20-30min is stirred under conditions of 80 DEG C；
(3) rosin, diisocyanate are sequentially added into the high pressure homogenizer of step (2), is stirred, mixing slurry is produced
Material；
(4) mixed slurry in step (3) is poured into mould and solidified, produce heat insulation floor.
The beneficial effects of the invention are as follows：
1st, the present invention solves existing existing flooring material generally existing and poor heat insulation effect, flame retardant effect difference and intensity
Low the problem of.
2nd, it with the addition of kaolin in raw material of the invention, kaolin has that plasticity is good, fire resistance is good and chemical stability
Good advantage.
3rd, aluminum oxide is with the addition of in raw material of the invention, the fire resistance of aluminum oxide is good.
4th, with the addition of floating bead in raw material of the invention, floating bead have high, wear-resisting light weight, intensity, insulation, high temperature resistant and
Fire-retardant advantage.
5th, expanded perlite is with the addition of in raw material of the invention, expanded perlite has the effect of insulation.
6th, asbestos are with the addition of in raw material of the invention, asbestos have insulation and fire-retardant effect.
7th, heretofore described kaolinic particle size is 400-500 mesh, and kaolin can be more uniform under the particle diameter
Other raw materials of ground and heat insulation floor are mixed.
8th, heretofore described heat insulation floor also includes having inside the mineral wool that parts by weight are 9-13 parts, mineral wool and permitted
More tiny hole, performance is good in insulation thermal insulation, sound absorption properties, corrosion resistance and chemical stability.
9th, heretofore described heat insulation floor also includes the expanded and vitrified small ball that parts by weight are 9-13 parts, and expansion vitrification is micro-
The heat insulation property of pearl is good.
10th, heretofore described heat insulation floor also includes the magnesia that parts by weight are 3-5 parts, the anti-flammability of magnesia
It is good.
11st, heretofore described foaming agent is sodium acid carbonate, and heating release carbon dioxide improves foaming effect, enhancing is protected
The heat insulating effect on warm floor.
Embodiment
Embodiment 1
A kind of heat insulation floor, includes the raw material of following parts by weight：65 parts of flyash, 17.5 parts of glass fibre, monostearate
11 parts of ester, 7 parts of charcoal, 6 parts of montmorillonite, 6 parts of rosin, 0.5 part of diisocyanate, 0.4 part of waterglass, 10 parts of kaolin, oxidation
0.4 part of 6 parts of aluminium, 8 parts of floating bead, 7 parts of expanded perlite, 6 parts of asbestos and foaming agent.
Kaolin is with the addition of in raw material, kaolin has the advantages that plasticity is good, fire resistance is good and chemical stability is good.
Aluminum oxide is with the addition of in raw material, the fire resistance of aluminum oxide is good.
It with the addition of floating bead in raw material, floating bead has high, wear-resisting light weight, intensity, insulation, high temperature resistant and fire-retardant excellent
Point.
Expanded perlite is with the addition of in raw material, expanded perlite has the effect of insulation.
Asbestos are with the addition of in raw material, asbestos have insulation and fire-retardant effect.
Kaolinic particle size is 400-500 mesh, under the particle diameter kaolin can more uniformly with heat insulation floor
Other raw materials are mixed.
Heat insulation floor also includes having many tiny holes inside the mineral wool that parts by weight are 11 parts, mineral wool,
It is incubated performance in thermal insulation, sound absorption properties, corrosion resistance and chemical stability good.
Heat insulation floor also includes the expanded and vitrified small ball that parts by weight are 11 parts, the heat insulation property of expanded and vitrified small ball
It is good.
Heat insulation floor also includes the magnesia that parts by weight are 4 parts, the good flame resistance of magnesia.
Foaming agent is sodium acid carbonate, heating release carbon dioxide, improves foaming effect, strengthens the insulation of heat insulation floor
Effect.
A kind of preparation method of heat insulation floor, comprises the following steps：
(1) raw material is weighed according to the parts by weight of heat insulation floor raw material；
(2) other raw materials in addition to rosin and diisocyanate are added in high pressure homogenizer, in temperature control in 75-
20-30min is stirred under conditions of 80 DEG C；
(3) rosin, diisocyanate are sequentially added into the high pressure homogenizer of step (2), is stirred, mixing slurry is produced
Material；
(4) mixed slurry in step (3) is poured into mould and solidified, produce heat insulation floor.
Embodiment 2
A kind of heat insulation floor, includes the raw material of following parts by weight：60 parts of flyash, 15 parts of glass fibre, monostearate
10 parts, 5 parts of charcoal, 5 parts of montmorillonite, 5 parts of rosin, 0.2 part of diisocyanate, 0.2 part of waterglass, 8 parts of kaolin, aluminum oxide 4
Part, 6 parts of floating bead, 5 parts of expanded perlite, 3 parts of asbestos and 0.2 part of foaming agent.
Kaolin is with the addition of in raw material, kaolin has the advantages that plasticity is good, fire resistance is good and chemical stability is good.
Aluminum oxide is with the addition of in raw material, the fire resistance of aluminum oxide is good.
It with the addition of floating bead in raw material, floating bead has high, wear-resisting light weight, intensity, insulation, high temperature resistant and fire-retardant excellent
Point.
Expanded perlite is with the addition of in raw material, expanded perlite has the effect of insulation.
Asbestos are with the addition of in raw material, asbestos have insulation and fire-retardant effect.
Kaolinic particle size is 400-500 mesh, under the particle diameter kaolin can more uniformly with heat insulation floor
Other raw materials are mixed.
Heat insulation floor also includes having many tiny holes inside the mineral wool that parts by weight are 9 parts, mineral wool, is protecting
Performance is good in warm thermal insulation, sound absorption properties, corrosion resistance and chemical stability.
Heat insulation floor also includes the expanded and vitrified small ball that parts by weight are 9 parts, and the heat insulation property of expanded and vitrified small ball is good.
Heat insulation floor also includes the magnesia that parts by weight are 3 parts, the good flame resistance of magnesia.
Foaming agent is sodium acid carbonate, heating release carbon dioxide, improves foaming effect, strengthens the insulation of heat insulation floor
Effect.
A kind of preparation method of heat insulation floor, comprises the following steps：
(1) raw material is weighed according to the parts by weight of heat insulation floor raw material；
(2) other raw materials in addition to rosin and diisocyanate are added in high pressure homogenizer, in temperature control in 75-
20-30min is stirred under conditions of 80 DEG C；
(3) rosin, diisocyanate are sequentially added into the high pressure homogenizer of step (2), is stirred, mixing slurry is produced
Material；
(4) mixed slurry in step (3) is poured into mould and solidified, produce heat insulation floor.
Embodiment 3
A kind of heat insulation floor, includes the raw material of following parts by weight：70 parts of flyash, 20 parts of glass fibre, monostearate
12 parts, 9 parts of charcoal, 7 parts of montmorillonite, 7 parts of rosin, 0.8 part of diisocyanate, 0.6 part of waterglass, 12 parts of kaolin, aluminum oxide 8
Part, 10 parts of floating bead, 9 parts of expanded perlite, 9 parts of asbestos and 0.6 part of foaming agent.
Kaolin is with the addition of in raw material, kaolin has the advantages that plasticity is good, fire resistance is good and chemical stability is good.
Aluminum oxide is with the addition of in raw material, the fire resistance of aluminum oxide is good.
It with the addition of floating bead in raw material, floating bead has high, wear-resisting light weight, intensity, insulation, high temperature resistant and fire-retardant excellent
Point.
Expanded perlite is with the addition of in raw material, expanded perlite has the effect of insulation.
Asbestos are with the addition of in raw material, asbestos have insulation and fire-retardant effect.
Kaolinic particle size is 400-500 mesh, under the particle diameter kaolin can more uniformly with heat insulation floor
Other raw materials are mixed.
Heat insulation floor also includes having many tiny holes inside the mineral wool that parts by weight are 13 parts, mineral wool,
It is incubated performance in thermal insulation, sound absorption properties, corrosion resistance and chemical stability good.
Heat insulation floor also includes the expanded and vitrified small ball that parts by weight are 13 parts, the heat insulation property of expanded and vitrified small ball
It is good.
Heat insulation floor also includes the magnesia that parts by weight are 5 parts, the good flame resistance of magnesia.
Foaming agent is sodium acid carbonate, heating release carbon dioxide, improves foaming effect, strengthens the insulation of heat insulation floor
Effect.
A kind of preparation method of heat insulation floor, comprises the following steps：
(1) raw material is weighed according to the parts by weight of heat insulation floor raw material；
(2) other raw materials in addition to rosin and diisocyanate are added in high pressure homogenizer, in temperature control in 75-
20-30min is stirred under conditions of 80 DEG C；
(3) rosin, diisocyanate are sequentially added into the high pressure homogenizer of step (2), is stirred, mixing slurry is produced
Material；
(4) mixed slurry in step (3) is poured into mould and solidified, produce heat insulation floor.
Comparative example 1
A kind of floor, includes the raw material of following parts by weight：65 parts of flyash, 18 parts of glass fibre, 11 parts of monostearate,
0.5 part of 7 parts of charcoal, 6 parts of montmorillonite, 6 parts of rosin and diisocyanate.
A kind of preparation method on floor, comprises the following steps：
(1) raw material is weighed according to the parts by weight of ground board raw material；
(2) other raw materials in addition to rosin and diisocyanate are added in high pressure homogenizer, in temperature control in 75-
20-30min is stirred under conditions of 80 DEG C；
(3) rosin, diisocyanate are sequentially added into the high pressure homogenizer of step (2), is stirred, mixing slurry is produced
Material；
(4) mixed slurry in step (3) is poured into mould and solidified, produce floor..
Floor is made in heat insulation floor and comparative example 1 made from embodiment 1, embodiment 2 and embodiment 3 and carries out performance survey
Examination, test result is as shown in table 1：
From the data of table 1 compare as can be seen that it is an advantage of the invention that：
1st, a kind of heat insulation floor and preparation method thereof, from the compression strength measured as can be seen that embodiment 1-3 pressure resistance
Degree is above comparative example 1, illustrates that the compression strength of heat insulation floor of the present invention is high.
2nd, a kind of heat insulation floor and preparation method thereof, from the thermal conductivity factor measured as can be seen that embodiment 1-3 heat conduction system
Number is below comparative example 1, illustrates the high insulating effect of heat insulation floor of the present invention.
3rd, a kind of heat insulation floor and preparation method thereof, according to national standard《Construction material and product burns grading performance》
GB862, the flame retardant rating measured illustrate the heat insulation floor as can be seen that embodiment 1-3 flame retardant rating is superior to comparative example 1
Good flame resistance.
4th, a kind of heat insulation floor and preparation method thereof, from the data of each index measured as can be seen that embodiment 1 is excellent
In embodiment 2, embodiment 3 and comparative example 1, illustrate the composition of raw materials of heat insulation floor of the present invention and the reasonability of preparation method.
The preferred embodiments of the present invention are the foregoing is only, are not intended to limit the invention, although with reference to foregoing reality
Apply example the present invention is described in detail, for those skilled in the art, it still can be to foregoing each implementation
Technical scheme described in example is modified, or equivalent substitution, all essences in the present invention are carried out to which part technical characteristic
God is with principle, and any modification, equivalent substitution and improvements made etc. should be included in the scope of the protection.
Claims (8)
1. a kind of heat insulation floor, it is characterised in that include the raw material of following parts by weight：60-70 parts of flyash, glass fibre 15-
20 parts, 10-12 parts of monostearate, 5-9 parts of charcoal, 5-7 parts of montmorillonite, 5-7 parts of rosin, 0.2-0.8 parts of diisocyanate, water
0.2-0.6 parts of glass, 8-12 parts of kaolin, 4-8 parts of aluminum oxide, 6-10 parts of floating bead, 5-9 parts of expanded perlite, 3-9 parts of asbestos and
0.2-0.6 parts of foaming agent.
2. heat insulation floor according to claim 1, it is characterised in that include the raw material of following parts by weight：65 parts of flyash,
17.5 parts of glass fibre, 11 parts of monostearate, 7 parts of charcoal, 6 parts of montmorillonite, 6 parts of rosin, 0.5 part of diisocyanate, water glass
0.4 part of 0.4 part of glass, 10 parts of kaolin, 6 parts of aluminum oxide, 8 parts of floating bead, 7 parts of expanded perlite, 6 parts of asbestos and foaming agent.
3. heat insulation floor according to claim 1, it is characterised in that：The kaolinic particle size is 400-500 mesh.
4. heat insulation floor according to claim 1, it is characterised in that：It is 9-13 that the heat insulation floor, which also includes parts by weight,
The mineral wool of part.
5. heat insulation floor according to claim 1, it is characterised in that：It is 9-13 that the heat insulation floor, which also includes parts by weight,
The expanded and vitrified small ball of part.
6. heat insulation floor according to claim 1, it is characterised in that：It is 3-5 that the heat insulation floor, which also includes parts by weight,
The magnesia of part.
7. heat insulation floor according to claim 1, it is characterised in that：The foaming agent is sodium acid carbonate.
8. the preparation method of a kind of heat insulation floor as described in claim 1-7 any one, it is characterised in that including following
Step：
(1) raw material is weighed according to the parts by weight of heat insulation floor raw material；
(2) other raw materials in addition to rosin and diisocyanate are added in high pressure homogenizer, in temperature control at 75-80 DEG C
Under conditions of stir 20-30min；
(3) rosin, diisocyanate are sequentially added into the high pressure homogenizer of step (2), is stirred, mixed slurry is produced；
(4) mixed slurry in step (3) is poured into mould and solidified, produce heat insulation floor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710565838.9A CN107140879A (en) | 2017-07-12 | 2017-07-12 | A kind of heat insulation floor and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710565838.9A CN107140879A (en) | 2017-07-12 | 2017-07-12 | A kind of heat insulation floor and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107140879A true CN107140879A (en) | 2017-09-08 |
Family
ID=59776569
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710565838.9A Withdrawn CN107140879A (en) | 2017-07-12 | 2017-07-12 | A kind of heat insulation floor and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107140879A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108623217A (en) * | 2018-05-24 | 2018-10-09 | 合肥永泰新型建材有限公司 | A kind of cracking resistance heat insulation floor and preparation method thereof |
| CN113896511A (en) * | 2021-10-13 | 2022-01-07 | 黄冈市蕲春县新天地瓷业有限公司 | Production process of enhanced ceramic tile |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102503495A (en) * | 2011-11-15 | 2012-06-20 | 杨宝金 | Fireproof thermal insulation plate base material and preparation method thereof |
| CN105220779A (en) * | 2015-10-10 | 2016-01-06 | 董晓娜 | A kind of multifunctional green constructional materials |
| CN105541386A (en) * | 2016-01-13 | 2016-05-04 | 王湖彬 | Concrete air-added heat preservation brick and preparation method thereof |
-
2017
- 2017-07-12 CN CN201710565838.9A patent/CN107140879A/en not_active Withdrawn
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102503495A (en) * | 2011-11-15 | 2012-06-20 | 杨宝金 | Fireproof thermal insulation plate base material and preparation method thereof |
| CN105220779A (en) * | 2015-10-10 | 2016-01-06 | 董晓娜 | A kind of multifunctional green constructional materials |
| CN105541386A (en) * | 2016-01-13 | 2016-05-04 | 王湖彬 | Concrete air-added heat preservation brick and preparation method thereof |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108623217A (en) * | 2018-05-24 | 2018-10-09 | 合肥永泰新型建材有限公司 | A kind of cracking resistance heat insulation floor and preparation method thereof |
| CN113896511A (en) * | 2021-10-13 | 2022-01-07 | 黄冈市蕲春县新天地瓷业有限公司 | Production process of enhanced ceramic tile |
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Application publication date: 20170908 |
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