Gasket EPDM Rubber Ring DN1100 Factory Quality

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China main port
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500 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. The filler material in these gaskets acts as the sealing element, with the metal providing structural support. These gaskets have proven to be reliable in most applications, and allow lower clamping forces than solid gaskets, albeit with a higher cost.
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.
3.Gasket Images:

Gasket EPDM Rubber Ring DN1100 Factory Quality

Gasket EPDM Rubber Ring DN1100 Factory Quality

4.Specifications of the Gasket:
1. Material:Stainless steel, PTFE, graphite, Carbon steel
2.Temperature:-196~700degree
3.Standard:ANSI,HG,ISO
Packaging Methods:
    Inner by the plastic bag, outer by the carton; or as the customer's demands.

Shipping Methods:
1. By International Express: DHL, FEDEX, UPS, TNT
2. By Sea (Loading Port: QingDao, China)
3. By Air
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: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 3:What's the delivery circle times ?
Answer:About 2 weeks and we would give the accurate time when we know the quantity.
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:How to distinguish between rubber and polyvinyl chloride?
1) preparation: vinyl chloride monomer (vinyl, chloride, monomer, referred to as VCM) in peroxide, azo compounds and other initiators; or under the action of light and heat, polymerization by the principle of free radical polymerization of polymers. The vinyl chloride homopolymer and vinyl chloride copolymer are collectively referred to as vinyl chloride resins.2) properties: white powder, amorphous structure, degree of branching is small, the relative density of about 1.4, the glass transition temperature of 77~90 DEG, 170 DEG C to decompose, the stability of heat and light, at 100 DEG C or after long time exposure to sunlight, will decompose and produce hydrogen chloride, and further automatic catalytic decomposition that change, the physical and mechanical properties also decreased rapidly, in the practical application must be added in order to improve the stability of heat and light stabilizer of the.
Q:Is the odour emitted by industrial rubber poisonous?
Rubber production process including plastic, mixing, rolling or extrusion, molding and vulcanizing and other basic processes, each process for the products have different requirements, respectively, with a number of auxiliary operations.
Q:How can rubber products prevent fading?
That is to add UV absorbers, white, then add more titanium dioxide, there is no good way, as well as your choice of pigment, as far as possible difficult to fade, such as inorganic pigments.
Q:What do you pay attention to when using rubber?
Note the aging of rubber rubber rubber and its products in the processing, storage and use of the process, due to the comprehensive effect of internal and external factors caused by the physical and chemical properties and mechanical properties of rubber gradually deteriorated, and finally lose value, this kind of change is called aging of rubber. The surface is characterized by crazing, sticking, hardening, softening, powdering, discoloration, mildew, etc..
Q:How can rubber products be softened?
Softener most used in rubber processing oil department softener (this kind of softener is actually physical plasticizer). The oil softener is processed products in petroleum refining process, has good softening effect, rich source, low cost features. This kind of softener including aromatic oil, paraffin oil, naphthenic oil, heavy oil, paraffin, Vaseline, asphalt, petroleum resin and so on. Rubber softener (oil) is a refinery in the oil processing products, it is liquid products with different viscosity, the difference is that contain different hydrocarbon components. The rubber softener (oil) according to the composition of the hydrocarbons can be divided into paraffin base oil, naphthenic oil (naphthenic oil) and aromatic oil (aromatic oil).
Q:Rubber and metal have to be sealed before they are too strong
The percentage difference between the first compression compression = original section diameter minus the trench size divided by the original O ring diameter O-ring compression is mainly depends on the material hardness and O-ring, O-ring if the hardness is 70 degrees, then the O-ring compression is equal to 20%. Of course, the lower the hardness of the O-ring, O-ring compression is greater, mainly used for low pressure places. Then the O-ring hardness increases the amount of compression of the O-ring is smaller, mainly used for high pressure, pressure resistance, resistance of small environment. And so on, the amount of compression can be any hardness O-ring you need.
Q:What about the Poisson's ratio and modulus of elasticity of three yuan ethylene propylene rubber (EPDM)?
The Poisson's ratio and modulus of elasticity of three yuan ethylene propylene rubber (EPDM) are approximately:Rubber elastic modulus 0.0078GPa, Poisson's ratio 0.47.
Q:Rubber products labeled Huai gum can improve wear?
Basically through the carbon black to adjust, carbon black will also be divided into a variety of, according to the degree of wear resistance will also be divided into many grades, in the rubber formula has reinforcing effect.
Q:What are the causes of chapped rubber products?
Rubber aging is a common problem of rubber products, and aging is mainly due to internal structure or component is easy to aging due to weakness, such as unsaturated double bond, branched, carbonyl, hydroxyl and so on; at the end, the main external or environmental factors are sunlight, oxygen, ozone, heat, water and mechanical stress force, high energy radiation, electricity, industrial gas, water, salt fog, fungi, bacteria, insects etc.
Q:Process for producing rubber products
Rubber elastic, lack of necessary processing plasticity properties, therefore not easy to process. In order to improve the plasticity, so the rubber mastication, so the mixing of ingredients easily dispersed in rubber, which also helps to improve the permeability of the fabric into rubber and molding in rolling and molding process. The long chain molecular degradation were called plasticity forming process of mastication. Mechanical plastication and mixing two kinds of thermoplastic plastic mixing method of rubber. Mechanical plasticization is the reduction of long chain rubber molecules at shorter temperatures through the mechanical extrusion and friction of the extruder, which changes from a high elastic state to a ductile state. Hot hot mastication is to pass into the rubber in the compressed air in the heat and oxygen under the effect of the degradation of long chain molecules to obtain shorter plasticity.

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