Hdpe Geomembrane Installation

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FAQ

What kind of plastic material is used for medical instruments?
Because most monomers and their oligomers are poisonous, medical plastics have strict restrictions on the residues of these substances;
What are the raw materials of foam plastics and how do they come out?
Chemical blowing agents are mainly azo organic compounds such as azo two formamide (ADCA or AC), 2, 2 '- azo two, DAB, AIBN, etc.. This kind of foaming agent is cheap, and the products are non-toxic, odorless and colorless. In addition to sulfonylhydrazine, such as 4, 4 '- oxo benzene sulfonyl hydrazide (OBSH) etc.. Attention should be paid to the decomposition temperature. The properties of chemical foaming agents are as follows:Azo two formamide (AC, ADCA). Orange crystalline powder. A large amount of gas (N2, CO and a small amount of CO2) is decomposed at 120 DEG C, and the gas yield is 200 ~ 300mL/g in the standard state, which is an efficient foaming agent.
What are the raw materials for making plastics?
Plastic raw materials are extracted from some oil in the part of PC is most familiar with the material extracted from the oil, the PC material has a gasoline burning time; ABS is made from coal, ABS will show when soot like burn out; POM extraction from natural gas, POM will have a very smelly smell of gas when burned.
What plastic material is resistant to high temperature?
As the high temperature resistant, anti-corrosion coatings, the coating can be used for a long time at 180 DEG C; the electrical and electronic industry for insulation partition, terminals, connectors, switches; machinery and machinery in the sticky dense pump, gear, piston ring blade tank, valve parts, watch parts, camera parts; car industry vaporizer. Distributor of electronic and electrical components, such as group parts, gas valve group, sensor of parts; home appliance parts have a tape recorder, structural components, products of various parts of the body diode; the other one is also used in aerospace, aviation industry, excellent heat resistance of the melting point of more than 280 DEG C, the heat distortion temperature above 260 degrees Celsius, long-term use temperature is 220-240 C.
What does MFI mean in PC material?
MI (Melt, Flow, Index, or, MFI,), Melt, Flow, Rate (MFR), the full name of the melt flow index, or the melt flow index, refers to a plastic material processing when the flow performance of the value. It is a conventional method of identifying plastic properties.
What are the raw materials for environmental friendly portable plastic bags?
[environmental protection plastic bags], including recycled materials, plastic bags and new materials, plastic bags. In the process of producing plastic bags, degradable plastic bags are added to degradable plastic bags, and degradable plastic bags can be automatically decomposed after 90 days in certain conditions.
What can recycled plastics do?
The source of waste plastic materials, where there was a waste plastic, easy to buy, cheap (around, so) a city daily consumption of plastic bags and other plastic products reached more than 10 tons in rural areas have a lot of plastic waste plastic particles Recyclable, don't worry about sales. Suitable for partnership enterprises, laid-off workers and individual production. Gong Zhen Xiao Mao CI is the history of Chin Shan recycled plastic base professional manufacturer and supplier. Hedong District, Shandong City, Linyi province has built the largest national renewable plastic base in china.
ABS plastic storage conditions
If it is ABS raw materials, storage: rainproof, moisture-proof, anti lightPacking is best provided with a PE inner bag for moisture proofThere is no place to pay more attention.