Gasket NBR SBR EPDM Rubber Ring DN150 with Good Quality
- Ref Price:
-
- Loading Port:
- China main port
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 500 pc
- Supply Capability:
- 100000 pc/month
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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:
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:What the MOQ?
Answer:The MOQ should reach 800 kilograms
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: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 rang.
- Q:What is the size of the scorch time of the rubber?
- The scorch time is often measured by scorch time. The longer the scorch time is, the less likely it is to occur early vulcanization. The shorter scorch time is, the more likely the early vulcanization occurs during the processing. The scorch time can usually be Mooney viscosity meter to determine.
- Q:How can rubber be preserved without decay?
- To preserve the rubber, do the following.1, to avoid long-term direct sunlight, the sun is too strong on the aging of rubber is killed, rubber is usually black, absorbing ability, so will cause the temperature rise, and then the physical properties change, the direct result is soft.2, avoid high temperature environment, said in front of direct sunlight will cause high temperature deformation. Another disadvantage of high temperatures is that it can cause rubber to melt.
- Q:Rubber soaked with hot water will not come out harmful substances?
- Chloroprene rubber is electrical insulation, cold resistant performance is poor, rubber is not stable in storage. Neoprene is widely used, such as the manufacture of transport belts and belts, wires and cables, and the manufacture of oil resistant hoses, gaskets, and chemical resistant equipment linings.
- Q:What is the rubber composition of sole?
- Plain rubber sole (RB):RB is the abbreviation of English Rubber (rubber). It is molded by hot pressing and divided into natural rubber and reclaimed rubber. The quality of heavy, non - oil, mold must be rough at the surface of the joint surface, it is easy to shorten when heated, the color is inconsistent.Advantages: good abrasion resistance, anti slip, elastic, not easy to break, good softness, good stability, extended shrinkage, good hardness, good flexibility, waterproof.Disadvantages: the heavier, Yi Tushuang (the quality problem), corrosion resistance (environmental protection); not hard, easy to pierce; permeability, moisture absorption is not good, not afraid of oil immersed in the automobile gas station oil contact place wear.
- Q:What are the causes of chapped rubber products?
- Measures to prevent aging:From the point of view of aging, one of the main reasons is the polymer structure itself. Therefore, it is important to improve the structure of polymers to improve their aging ability. For example, in rubber vulcanization, there are still unsaturated double bonds, and rubber products in use and it is difficult to avoid the erosion of sunlight, oxygen, ozone, so people on the synthesis of new varieties, to avoid or reduce the polymer chain of rubber double bonds, such as ethylene and propylene two monomer by copolymerization made two yuan B two rubber, different from other synthetic rubber is one of the major characteristics in the structure of the backbone is not completely saturated with double bond, making it the most ozone resistance, chemical resistance, high temperature resistant rubber aging; there is a kind of antioxidant, such as adding oxygen or ozone to prevent aging caused by antioxidants. Add UV stabilizers, heat stabilizers, preservatives and other unfavorable factors, and caused by aging
- Q:Is mixed silicone rubber dangerous?
- With excellent thermal stability, high and low temperature resistance, can -60 to +250 DEG C under the condition of long-term work, ozone resistance, weatherability and good electrical properties, corona resistance, electric arc, electric spark is extremely strong, with chemical stability, weathering resistance, radiation resistance, physical inertia and good air permeability.
- Q:Properties and specific uses of various rubbers
- Rubber is divided into natural rubber and synthetic rubber. Natural rubber is mainly derived from the Hevea tree. When the epidermis of this rubber tree is cut open, it will shed milky juice. It is called latex, and the latex will be natural rubber when it is condensed, washed, molded and dried. Rubber productsSynthetic rubber is made by synthetic methods, and different kinds of rubber can be synthesized with different raw materials (monomers). Such as, butadiene rubber, chloroprene rubber, styrene butadiene rubber and so on. The yield of synthetic rubber has greatly exceeded that of natural rubber, of which the largest yield is styrene butadiene rubber.
- 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:Why is rubber forest a green desert?
- The "green desert" refers to a large area of green trees, the tree species is single, consistent with age and height, and very dense. The dense single canopy layer completely blocked the sunlight, resulting in the growth of lower vegetation and lack of intermediate shrub and ground vegetation in the understory.
- Q:How to enhance the performance of water resistant silicone rubber products
- In general, silicone rubber is almost free from the influence of free steam and moisture without pressure. The same is true when the steam is under low or moderate pressure. However, as the vapor pressure rises, the impact on the mechanical properties of the rubber becomes larger. Therefore, silicone rubber is not recommended for long-term use in situations where steam is more than 50psi.
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Gasket NBR SBR EPDM Rubber Ring DN150 with Good Quality
- Ref Price:
-
- Loading Port:
- China main port
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 500 pc
- Supply Capability:
- 100000 pc/month
OKorder Service Pledge
OKorder Financial Service
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