Modern cleaner production requires clean and wear-resistant floor of workshop, and the dust content of indoor air is as low as possible. This is not only the requirement of improving working conditions, but also the guarantee of product quality. Since 1995, pharmaceutical enterprises in China began to implement the GMP (Good Manufacturing Process) certification work. Pharmaceutical factories are striving to make the production of hardware and software levels can reach the old GM specifications. The most important index of cleanliness in the code is the wear resistance of the ground. The better the wear resistance, the lower the dust precipitation, and the higher the cleanliness level can be achieved. For high-grade clean places (100-1000), it is recommended to use non-precipitating or weak precipitating materials; materials with large precipitating capacity can be used in low-grade clean places (101 million grade); and strong precipitating materials can not be used in clean places. 为了满足工业化生产车间的功能需求和现代化管理的要求，常常选用有特殊性能的地面材料进行地面装饰。其中地面涂料是重要的选择材料。国外的许多洁净车间地面也采用了整体聚合物面层，包括涂料和贴面材料。
In order to meet the functional requirements of industrial production workshop and the requirements of modern management, ground materials with special properties are often used for floor decoration. Among them, ground coating is an important choice material. Many polymer cleaners are also used on the ground floor, including coating and veneering materials.
Ground coatings used in industrial production workshops, also known as industrial ground coatings, commonly used epoxy resin coatings and polyurethane coatings. These two kinds of coatings have good chemical resistance, wear resistance and mechanical impact resistance. However, due to the moisture absorption of cement floor, polyurethane has poor moisture tolerance, inadvertent construction is easy to cause interlaminar peeling, needle L and other defects, and the bonding force of cement base is worse than epoxy resin coating. Therefore, epoxy resin coatings should be used when wear resistance and cleanliness are the main performance requirements, while polyurethane resin coatings should be used when elasticity is the main performance requirements.
Epoxy resin abrasion-resistant and clean ground coatings are two-component thick film coatings cured at room temperature. Solvent-free epoxy resin coatings are usually called "self-leveling coatings". They were developed and tested in China in the 1980s. Now they have been widely used in GMP ground projects in domestic pharmaceutical plants and achieved good results.
Solventless epoxy self leveling abrasion resistant clean air paints have many advantages for industrial air applications. For example:
1., the bonding strength is high, the hardening and contraction is very low, and it is not easy to crack.
2. the whole seamless, easy to clean, do not gather dust, bacteria.
3. high solid content, one time film thickness; solvent free, construction toxicity is small, comply with environmental protection requirements for coating VDC.
4. High strength, wear-resistant, durable, can endure forklift, trolley and other tools for a long time.
5. corrosion resistance, chemical resistance and strong tolerance to oil.
6. excellent construction and leveling, with good decoration.
7, room temperature curing film, easy maintenance.
8. the surface is smooth, colorful, and can beautify the working environment.
9. the surface is non-toxic, meets the hygienic requirements, and has certain flame retardancy.
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