Gaskets NBR EPDM Rubber Ring DN900 Rubber

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China main port
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Min Order Qty:
500 pc
Supply Capability:
200000 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.
3.Gasket Images:

Gaskets NBR EPDM Rubber Ring DN900 Rubber

Gaskets NBR EPDM Rubber Ring DN900 Rubber

4.Specifications of the Gasket:
1. Material:Stainless steel, PTFE, graphite, Carbon steel
Shipping Methods:
1. By International Express: DHL, FEDEX, UPS, TNT
2. By Sea (Loading Port: QingDao, China)
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.

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Q:What is the lowest cost material for the synthesis of rubber?
There are many kinds of synthetic rubber. Many kinds of materials are used in synthesis, which material is lower or can not be measured
Q:What is the cause of the bursting of rubber products and how should they be improved?
Improvement measures: 1.. Adjust the molding sulfuration temperature, adjust the temperature of the upper and lower plate. 2. adjust the exhaust distance and exhaust time. 3. in strict accordance with the mixing process standards or adjust the formula and mixing process, avoid the use of time is too long to place material (fast cooked). 4., in the explosive edge position plus running trough. 5. control the weight of a single adhesive.
Q:What is the specific gravity of natural rubber?
Natural rubber is elastic high polymer compound natural rubber tree cultivation, by cutting off the latex prepared by the steps of dilution, filtration, condensation, rolling and drying, commonly known as raw rubber or rubber. According to different preparation methods, there are wrinkle sheet gum, tobacco sheet glue and so on.
Q:How do rubber undergo vulcanization?
In the process of hot vulcanization, the general temperature is 10 degrees higher, and the curing time is shortened by about half. Rubber is a bad conductor of heat, which can easily cause uneven vulcanization.
Q:Is carbon black and conductive carbon black used in rubber?
Carbon black is divided into two major categories according to its use and usage:1. Rubber carbon black2, non rubber carbon black (or special carbon black, dedicated carbon black), including pigment carbon black, conductive carbon black, carbon black used for plastics, and a variety of special carbon black and so onMay refer to: Li Bingyan edited the "carbon black production and Application Manual."
Q:What is the temperature of ordinary silicone rubber resistant to low temperature?
Heat resistance of silicone rubber in the air is much better than that of organic rubber, at 150 DEG C, the physical and mechanical properties basically unchanged, semi permanent use, under the temperature of 200 DEG C can be used continuously for more than 10000h; 380 DEG C can be used for some time. Silicone rubber is therefore widely used as rubber parts in high temperature applications.
Q:Excuse me, is PU one kind of silicone? Or what is the connection between the two?
First of all, PU does not belong to silica gel, and PU refers to polyurethane. It is a kind of macromolecule material which is made up of organic diisocyanate or polyisocyanate and two hydroxyl or polyhydroxy compound. And silica gel is a common organic silica gel. The basic structure of organic silica gel is made up of silicon oxygen link, and the side chain is connected with other organic groups through silicon atom. So, these are two very different materials that make up the system. But because of the wide application of the two, they intersect in some application fields.
Q:Rubber Mooney value is what meaning, what is the role of
Reflect the level and distribution of Mooney viscosity and molecular weight range is narrow rubber processing performance. High Mooney viscosity of rubber is not easy mixing and uniform extrusion processing, the high molecular weight and wide distribution. Low Mooney viscosity glue sticky roller, its low molecular weight and narrow distribution. The tensile strength of low Mooney viscosity too low after curing. The Mooney viscosity time curve can be seen the performance of rubber vulcanization process.
Q:What gum does rubber and metal stick together?
JL-480 black rubber instant glue: medium viscosity, high strength, etc. used for inert surface, bonding, porous, acid, vibration and heat resistance, rubber, metal, plastic bonding. The utility model can be used for large gaps and more dispensing. High viscosity, impact resistance. The curing is slow, the curing has toughness, and the adhesive force is strong. After bonding, the adhesive surface can reach two and the adhesive surface dissolves as a whole. It is a shock resistant instant adhesive, which has better seismic and stripping strength than other series. Widely used, bonding rubber, plastic, and metal as adhesive for impact resistance. It is more flexible than conventional adhesive.
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..

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