It can be made into a water-based waterproof coating by high-speed stirring and emulsification at a certain temperature from rubber powder, asphalt, emulsifier and water. The waterproof coating can be applied by mechanical spraying process, which not only has high construction efficiency, but also uniform coating, and increases the adhesion between the coating and the base material. The utility model has the advantages of safe and reliable use, low cost and small deformation at high temperature. There is still some flexibility at low temperatures.
The resin rubber powder bitumen can be mixed with a solvent to form a solvent-based waterproof coating. The waterproof coating is a thick waterproof coating. Because of its high solid content, the coating can be used in a small number of times to achieve the required thickness, and a large amount of thinner is saved, the preparation is easy, the construction is convenient, and the price is low.
The preparation process of the waterproof coating is to melt and dehydrate the asphalt, and after removing the impurities, the rubber powder can be slowly added, stirred while being added, and the temperature is further increased, and the temperature is constant after a period of processing. If fine powder is used, the heating temperature is 180-200 degrees and the time is about one hour. If the crusher is used to pulverize the rubber powder, because the particle size is large, the temperature should be 240 degrees and the time is about two hours. Finally, a uniform thin paste is formed, and the uniform filament can be pulled out, and then the temperature is lowered to about 100 degrees. Cool, add a certain amount of gasoline to dilute, stir evenly as a waterproof coating. The coating has good heat resistance, crack resistance, low temperature flexibility and water impermeability, and has a wide application range, such as simple processing, convenient construction, sufficient raw material source, low price and thinner.
We can produce the Gas cylinder project, such as the 4130 steel pipe, 4140 steel pipe,4142 steel pipe,4145 steel pipe and 4147 steel pipe. Chengde is the first company to acquire the certificate of gas cylinder steel and supplied more than 160 thousand tonnage in last ten years, and our main reference list as follow:
Customer
Material
Size
range
Quantity
(MT)
Enric
4130/4130x
(406~720)*(10.3~27.5)mm
135,000
Enric
4142
(559~615)*(9.8~28.9)mm
2542
Enric
SA372 J70/E70
(559~610)*(21.3~33.6)mm
3114
NK
4130/4130x
(559~720)*(14.2~29.4)mm
20,500
NK/CPI/FIBA
4142/4145/4147
(406.4~609.6)*(12.7~39.42)mm
3994
NK
SA372 J70/E70
610*29.4 mm
464
The Piercing and rolling technology of Chengde possesses a number of patents in designing and manufacturing the equipment, and has improved in lots of areas targeting better performance and efficiency, which has distinguished itself from the peers.
Stable, fast and continuous
Flexible on non-standard sizes
Swift tooling switching
Uniform mechanical properties and dimensions in Longitudinal & Transversal directions
Gas Cylinder Pipe,4140 Pipe,4130 Pipe,4142 Pipe
YANGZHOU CHENGDE STEEL PIPE CO.,LTD , http://www.chengdepipe.com