Q:What's the difference between a ductile iron well and a composite resin manhole cover?

Composite manhole cover has the advantages of low cost, light weight, anti theft, the advantages of reducing the noise in city; corrosion protection, high performance composite resin covers SMC sheet products, acid, alkali and salt corrosion, rust and so on 50 or 150 DEG C for use in harsh conditions.

Q:How do you measure the excess of the compound in the house?

In the case of color SMC, the roving shall be impregnated with resin in a high pigment resin paste. Generally, SMC roving is usually 2400tex, and 4800tex is also useful in a few cases.

Q:The difference between glass fiber reinforced plastic antenna and cannon antenna

SMC and its molded products have the following characteristics: light weight, high strength, precise size, good batch quality and zero shrinkage. With a surface level, mechanization, a high degree of automation, applicable to high surface quality requirements, large output, uniform thickness of the product.

Q:What is a sheet of material? Is it plastic? What is it used for?

Glue is plastic, the processing process is the raw material in the machine, through the melting of high temperature into the mold or squeeze, blister molding.

Q:Seeking better SMC manufacturers in the industry, it is best to write more, thank you!

Hongkong and Shanghai can be imported directly. The average delivery time is about 20-30 days. If you inform the goods in advance, 10%-20% deposit can be prepared in advance. Every word is my own play, I hope the landlord how much help.

Q:Why is unsaturated polyester resin used in sheet molding? Why don't short fiber moulding plastics use unsaturated polyester resins?

BMC SMC produced a good sheet or mass, there is a mature thickening process, the temperature should be placed for more than a dozen hours or more time to mature thickening.

Q:What is polymer composite cable trench cover plate?

Strictly speaking, should be unsaturated resin and glass fiber and other SMC sheet made of high temperature molding of the cover plate, there is no reinforcement inside, high strength.

Q:Is the gas released from the heating of the SMC sheet poisonous?

SMC sheet is made of unsaturated polyester resin, glass fiber and aluminium hydroxide powder by certain process

Q:What are the raw materials for composite manhole covers?

The composite manhole cover adopts high temperature and high pressure molding technology with high degree of polymerization, large density, good impact resistance and tensile strength, and has the advantages of wear resistance, corrosion resistance, no rust, no pollution, no maintenance, etc.. General composite manhole covers are also BMC composite cover and SMC composite manhole cover. SMC polymer composite manhole cover, Beijing Pan Asia Telecom's reliable, but also applied for the color of the patent

Q:What is the use of resin fiber powder extracted from the circuit board without breaking the law?

Generally do not understand, go to Baidu Encyclopedia (don't waste your points) with molten glass made of very fine fiber, insulation, heat resistance, good corrosion resistance, high mechanical strength. Used as insulating material and as raw material for glass fiber reinforced plastics.