Gasket O Ring DN250 Factory Quality Low Price

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500 pc
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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. The filler material in these gaskets acts as the sealing element, with the metal providing structural support.

2.Features of Gasket :
• Wide range of applicable working condition,high temperature and high pressure resistance,applicable to super low temperature and vacuum condition.Chemical resistant gasket is available under various medium,through change of composition of gasket.
• Strong stress compensation,stable and reliable sealing performance even under frequent pressure fluctuation condition.
• 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.
3.Gasket Images:

Gasket O Ring DN250 Factory Quality Low Price

Gasket O Ring DN250 Factory Quality Low Price

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 1: Why some supplier give me the price much cheaper than you?
Answer:1.They wanna attract your attention,while you contact with them,they would raise the price by any reason.
               2.They willn't provide the high qualities to you cause it had the cheap price.
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: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 range

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Q:What is the lowest cost material for the synthesis of rubber?
Polypropylene ethylene propylene rubber, ah, as if a few domestic, oh, raw materials are not expensive, but the technology is difficult, but it is very simple to say, on the two synthetic. Jilin Petrochemical made decades of synthesis, products or not like us.
Q:Are there formaldehyde in rubber products, too?
Yes, because formaldehyde is a very good organic solvent, so the general rubber varieties contain formaldehyde.
Q:Why does rubber burn black smoke?
Synthetic rubber inside will be artificially adding carbon black, to reinforce and improve the wear resistance and reduce the cost. For example, many synthetic rubber: butadiene rubber, chloroprene rubber, styrene butadiene rubber must be reinforced in order to achieve the use of carbon black, tensile strength, elongation and wear ideal.
Q:I do rubber products, I would like to ask what metal accessories are rubber products, the specific name is what, good, then points
Silica gel tube, other rubber tube, clip fabric hose, braided hose, oil resistant hose, special hose, winding hose, industrial rubber, rubber products, insulating sleeve
Q:How can rubber products be softened?
Rubber softener for fluid or semi fluid, dangerous goods, should be stored in the rain (the most important) ventilation dry place shading.A package (drums, plastic barrels, plastic bags), according to the needs of the customer.
Q:What is the difference between vulcanized rubber and butyl rubber?
Nitrile butadiene rubber is prepared by polymerization of butadiene and acrylonitrile by emulsion polymerization. Nitrile rubber is mainly produced by low temperature emulsion polymerization. It has excellent oil resistance, high wear resistance, good heat resistance and strong adhesive force. Its disadvantage is poor resistance to low temperature, poor ozone resistance
Q:Does antirust oil affect rubber?
Rust proof oil is a kind of oil which is reddish brown and has anti rust function. It consists of oil soluble corrosion inhibitor, base oil and auxiliary additives. According to the characteristics and application of rust oil sample images can be divided into fingerprint to remove antirust oil, antirust oil, water dilution dilution solvent antirust oil, lubricating oil, seal antirust oil, antirust oil, replacement of thin oil, rust proof grease and rust proof oil. The rust proof oil commonly used inhibitor of fatty acid or naphthenic acid alkaline earth metal salt and naphthenic acid lead, zinc naphthenate, petroleum sulfonate, barium sulfonate, calcium sulfonate, three oleic acid, two tallow amine rosin amine etc..
Q:Which is better waterproof performance, neoprene or silica gel?
High temperature silicone rubber is mainly used for making all kinds of silicone rubber products, while room temperature silicone rubber is mainly used as adhesives, potting materials or dies. The maximum amount of heat curing type, heat curing type and methyl silicone rubber (MQ), methyl vinyl silicone rubber (VMQ, dosage and product grades at most), methyl vinyl silicone rubber (PVMQ low temperature resistance and radiation resistance), there are other eyes of silicone rubber, fluorine rubber and so on.
Q:What's the difference between natural rubber and three yuan ethylene propylene rubber?
The dielectric properties of natural rubber are a nonpolar substance that is soluble in non-polar solvents and non-polar oils. Natural rubber is not resistant to cyclohexane, gasoline, benzene and other media, non vulcanized rubber can be dissolved in the above medium, vulcanized rubber swelling. Natural rubber insoluble in polar acetone, ethanol, more insoluble in water, resistant to 10% hydrofluoric acid, 20% hydrochloric acid, 30% sulfuric acid, 50% sodium hydroxide and so on.
Q:How to remove the rubber front?
Conversely, the product is small, large in quantity, or where it is hard to repair, so you can consider machine trimming.

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