The main types of waterproof sheet include: PVC board, color steel plate, EVA waterproof board and XPS board.
1, PVC board
Pvc is the most common material in the market plastic, and pvc as raw material with cross-section of the honeycomb-like mesh structure of the plate, this board is light and the price is relatively low compared to wood, it can keep from moth, and with the characteristic of insulation and waterproof, is the most commomly used waterproof sheet, pvc plastic does not absorb water, so waterproof is its basic principles.
2, color steel plate
Color steel plate, also known as color coated steel plate, is in the steel plate with a layer of organic coating, so as to achieve the effect of waterproof and corrosion-resistant. The color plates we often see in our lives are the roof of the board, and they are exposed to the outside without rusting even in the rainy season. Color steel outside the layer of special coating is made of silicon modified polyester or polyvinylidene fluoride and plastic sol composition, durability is very strong, shelf life is generally 10 to 15 years, and as long as every 10 spray a paint, Then the average life expectancy can reach more than 35 years.
3, EVA waterproof board
EVA waterproof board is also one of the important waterproof sheet, in fact, EVA has been very common in life. It is very light, and wear, corrosion resistance, waterproof, with a buffer effect. EVA made with hot melt adhesive plate also has the same characteristics, light and water, the price is not high, but also with thermal insulation properties.
4, XPS extruded board
XPS extruded board is extruded polystyrene insulation board, is the third generation of rigid foam insulation material, it is polystyrene resin as xps raw material and aggregates, through a special process of heating mixed with a catalyst, and then extruded to produce a rigid foam sheet. This kind of board can be recycled through polystyrene recycling, and also can be recycled to do other products.
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