Gasket High Quality Low Price SBR Rubber Ring DN200

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1000 pc
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10000 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 :
• 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.
3.Gasket Images:

Gasket High Quality Low Price SBR Rubber Ring DN200

Gasket High Quality Low Price SBR Rubber Ring DN200

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.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
Ask3:What's the delivery circle times ?
Answer:About 2 weeks and we would give the accurate time when we know the quantity.
Ask 4:What's the FOB port?
Anser:Our port are Shanghai and Ningbo usual.
Ask 5: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 relationship between the hardness and tensile strength of rubber pad?
Tensile strength is the ultimate ability to characterize a product against tensile failure.
Q:How can rubber be made into rubber when it is made?
Just cut off the rubber is not available, belongs to the first rubber, according to the products and the use of working conditions to set the formula, made of mixed rubber, vulcanized on the vulcanization machine with mold has been good, curing after trimming, testing, packaging. The required rubber products will be ready.The process flow of the production process is:Raw material preparation, plasticization, blending, molding, vulcanizing, cleaning and testing
Q:Why is natural rubber a strategic material?
Natural rubber can be divided into standard rubber (also called rubber), smoked rubber sheet, concentrated gum, white crepe, light colored film, skim rubber and dry film, is the most commonly used standard rubber and smoke film. Standard rubber is divided into a (SCR5), two (SCR10), three (SCR20), four (SCR50) four grades, divided into 1-5 smoke smoke film (RSS1-RSS5) five grades.
Q:What is rubber damping material?
According to the method of use, it can be divided into self-adhesive and film type, and the self-adhesive damping material can be directly adhered to the surface of the structural parts. The film type is used as a gasket or bonded by hot pressing and applying adhesive. It has been applied in many fields. Such as reducing the noise of the subway wheel, reducing the mechanical shock of the intercontinental missile detonating device.
Q:There is a crack in rubber products
I personally think and vacuum should be given no relationship, if it is the bubble, and vacuum will have relationship
Q:NR natural rubber manufacturers, who knows Guangdong here, there are manufacturers, a few hair connection is OK
Chloroprene rubber (CR) by chloroprene do monomer emulsion polymerization of polymers. This rubber molecule containing chlorine atom, so compared with other general rubber: it has excellent oxidation resistance, ozone resistance, non flammable, after the fire can be self extinguishing, the advantages of oil resistance, solvent resistance, acid and alkali resistance, aging resistance, good air tightness; the mechanical performance is better than natural rubber, so can be used for general rubber, also can be used for special rubber. The main disadvantages are poor cold resistance, large proportion, relatively high cost, bad electrical insulation, easy to stick rolling, easy burning and easy sticking. In addition, rubber poor stability, not easy to save. Temperature range: about 45 DEG C ~100. The main requirements for the manufacture of ozone resistance and aging resistance of high cable sheath and various protective cover, protective cover; oil resistance, chemical corrosion resistance of hose, tape and chemical resistant lining; the underground mining with burning rubber, and a variety of molded products, sealing ring, gasket, binder etc..
Q:What are the forming methods of rubber products?
Calendering is the process in which material is subjected to elongation. The main equipment for rolling forming is three roller or four roller calender. The three roller calender is achieved by rotating the pressure of the two roller. When the rubber material passes through the roller gap, the rubber strip is expanded into a certain sectional shape under the action of pressure, or the process of gluing is realized on the fabric. It is used for sizing, pressing, spinning, gluing and gluing of textile and steel cord, as well as the laminating of film and film, film and adhesive fabric.The basic procedure of calendering process includes: mixing and preheating glue; fabric guiding and drying (and sometimes dipping); rubber sheeting in four roll and three roll calender on or in textile and rubberized calendering semi-finished products cooling, crimping, cutting and placing etc..In rolling before the need to preprocess the rubber and textile, rubber calender before entering, to turn it in the hot refining mill, this process is called thermal refining or preheating, the purpose is to improve the mixing uniformity of refined rubber material, further increase the plasticity, increasing the temperature increase high plasticity. In order to improve the bonding performance of rubber and textile, ensure the rolling quality, need drying of the textile fabric, moisture content control in 1% ~ 2%, the moisture content is too low, the textile hardens, easily damaged during the calendering, high water content, poor adhesion.
Q:What is the temperature of ordinary silicone rubber resistant to low temperature?
Because the molecular structure of silicone rubber is amorphous, the temperature has little influence on its properties, and it has good cold resistance. The brittleness temperature of the general organic rubber is from -20 DEG C to -30 DEG C, while the brittleness temperature of the general silicone rubber is between -60 and -70 degrees centigrade. When the rubber is introduced in 7.5 (mol)% phenyl, brittle temperature of silicone rubber can be reduced to -115 DEG C, remain elastic at -90 DEG C and can use.
Q:What kind of material does the shockproof rubber cushion usually choose, What's the hardness?
Recommend the use of EPDM, its good elasticity, although lower than natural rubber, isoprene rubber and butadiene rubber but its resistance to aging, corrosion resistance, chemical resistance, resistance to high pressure steam performance advantage, so compared to choose EPDM.Shock absorbing rubber used to be the only adhesive for NR in the past. In recent years, in order to meet the requirements of increasing heat resistance and oil resistance of automobiles, IIR, EPDM, NBR and CR have also begun to be used, and even microcellular PU elastomers and TPE thermoplastic elastomers have appeared. In addition, according to automotive requirements, in order to achieve lightweight targets, plastics have begun to replace metal, so-called rubber and plastic shock absorption rubber products.
Q:Rubber products are not allowed to touch oil products, but why can rubber gloves be contacted daily? What's the point?
Most rubber materials are not resistant to oil, some rubber materials are resistant to oil, such as nitrile rubber, etc., the family commonly used detergent on rubber gloves did not affect.

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