Gaskets EPDM SBR Rubber Ring DN250 is on Sale

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China main port
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Min Order Qty:
100 pc
Supply Capability:
100000 pc/month

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Product Description:

1.Description of Gasket :
Ginseal Spiral-wound gaskets comprise a mix of metallic and filler ma- terial. Generally, the gasket has a metal (normally carbon rich or stainless steel) wound outwards in a circular spiral (other shapes are possible) with the filler material (generally a flex- ible graphite) wound in the same manner but starting from the opposing side. This results in alternating layers of filler and metal.

2.Features of Gasket :
• Perfect sealing performance.
• Normal requirement of flange surface finishing which contact with gasket.
• Easy installation and low pre-tightening stress of gasket.
• Heat treatment industry for furnace parts, fans, tube hangers, and baskets and trays to hold small parts.
• Chemical process industry to contain hot concentrated acids, ammonia, and sulfur dioxide.
•  Food processing industry.
• Hot acetic and citric etc.
3.Gasket Images:

Gaskets EPDM SBR Rubber Ring DN250 is on Sale

Gaskets EPDM SBR Rubber Ring DN250 is on Sale

4.Specifications of the Gasket:
1.A good compression ratio and elasticity.
2.With plastic appropriate, after pressing can adapt to the sealing surface and sealing surface uneven fill the gap, to ensure good sealing performance with the temperature and pressure in the system of alternating case.
3.With excellent corrosion resistance, not to be damaged in some extreme medium, does not have the expansion and contraction.
4.Under the condition of high temperature softening, does not creep; under the condition of low temperature hardening, does not shrink.
5.Have sufficient strength, when external load conditions, not be crushed; at high temperature, not blown out.
5.FAQ
Ask 2:What the MOQ?
Answer:The MOQ should reach 800 kilograms
Ask 3:Should i pay for it If some product need molds?
Answer:I'm afraid you should pay for it,However,We would return it back when we get the first order.
Ask 4:What's the delivery circle times ?
Answer:About 2 weeks and we would give the accurate time when we know the quantity.
Ask 5:What's the FOB port?
Anser:Our port are Shanghai and Ningbo usual.
Ask 6:Your price seems higher than others.
Answer:As you know,Price equals qualities.We have faith in our qualites.But it must be in the acceptable rang

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Q:What kind of product is suitable for rubber trimmer? Where's the rubber trimmer?
Rubber products, silica gel products, special rubber products only need to have the rubber parts of the dismantling groove, and the diameter of the rubber inside the 100MM can be used as trimming machine.
Q:Several aspects of rubber aging performance and how to identify them
Heat: increasing temperature can cause thermal cracking or thermal crosslinking of rubber. But the basic function of heat is activation. Increase oxygen diffusion rate and activate oxidation reaction, so as to accelerate the speed of rubber oxidation reaction, which is a common aging phenomenon - thermal oxidative aging
Q:Why should the tire be made of rubber?
The molecular chain of rubber can be crosslinked, and the crosslinked rubber can recover quickly when it is deformed by external force, and has good physical and mechanical properties and chemical stability. It is widely used in the manufacture of tires, hoses, tapes, cables and other rubber products.
Q:Rubber and metal have to be sealed before they are too strong
Different materials and O-ring O-ring compression the change of general material such as NBR, NR, nitrile rubber, natural rubber, chloroprene rubber CR, EPDM three EPDM, HNBR hydrogenated nitrile rubber, silica gel SILICOME SBR Buna, styrene butadiene rubber, SBR, acrylate rubber ACM, compression O-ring or the 20% to calculate. If it is a special material FKM, VITON, PU, FLS silicon fluorine rubber, fluorine rubber, polyurethane, compression of these materials is calculated by 15% o ring.
Q:What are the causes of cracks in vulcanized rubber products?
Vulcanized rubber refers to vulcanized rubber, has the characteristics of constant viscosity, not easy to break, and rubber products are mostly made of this kind of rubber. Also known as "mature rubber", commonly known as rubber or rubber. Vulcanized rubber is a polymer compound, its monomers are CIS poly butadiene monomer -CH2-CH=CH=CH2- 1, 3- in the double bonds were open to the -S-S- curing agent, will connect the linear structure of polybutadiene rubber mesh structure.
Q:How can there be a crack in the rubber ring?
In use, high temperature and exposure to sunlight in the air can cause aging and cracking of NBR
Q:What is the role of softening plasticizers in rubber? How are they classified?
Plasticized formulations can also classified by the sources of petroleum, coal tar plasticizer plasticizer, turpentine, plasticizer, plasticizer and synthetic fatty plasticizer.
Q:How can I make rubber products brighter?
Consider cleaning with an alkaline solution. Regular soap is fine.If you did not meet the requirements, can go to the market to buy some special cleaning agent.
Q:What is the lowest cost material for the synthesis of rubber?
Poly propylene rubber is synthetic materials, he is a kind of synthetic rubber, with ethylene propylene copolymer rubber basic monomer, divided into two EPDM (EPM) and three EPDM (EPDM) two categories;
Q:What are the application fields of waste tire rubber powder?
Waste tire rubber powder from 900 to 1200 waste tire as the main raw material, the production method of low temperature refrigeration by air turbine (0.425mm) 40 mesh to 200 mesh (0.0750mm) crumb rubber with high fineness, tensile strength, the proportion of small, good liquidity.

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