high pressure 3inch-6inch rubber gasket for concrete pump clamp coupling

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Product Description:

Concrete Pipe DN125 Rubber Seal Gasket

  1. Name


Rubber Gasket  

Polyurethane Gasket


 2. Specifications


DN50 (2inch) DN80 (3 inch)

DN100(4inch) DN125(5 inch)

DN150(6inch) DN180(7 inch) DN200(8 inch)

Other sizes and types upon request





 3. Application


Used for sealed, used in concrete pump truck,concrete pump andpipeline connection seal in construction work equipment.


4.Characteristics

Corrosion resistance, high temperatureresistance, abrasion resistance.



5.Services


1. If you need, we can send free samples.

2. A variety of types product can be customize.

3. Free replacement of products which have any quality problem .

4. Reasonable price and high quality with ISO certification .

5. The delivery time we can make sure.

6. We are OEM, we can aslo accept ODM .







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Q:What are the reasons for rubber cracking after shock absorption of rubber products?
Rubber has poor elasticity, permanent deformation, large creep, poor deflection and so on.
Q:What are the causes of cracks in vulcanized rubber products?
The curing temperature is too high, pocket, self adhesive rubber products of poor liquidity
Q:How long is the warranty period for EPDM?
(1). Rubber molding, after pressing, the elastic body is within the cohesion can not be eliminated, the molding die, often have a very unstable contraction (rubber shrinkage due to rubber vary), required after a period of time, and can be stable. Therefore, when a rubber product design at the beginning, regardless of formula or mold, it is necessary to carefully calculate the coordination, if not, it is easy to produce product size instability, resulting in lower quality products.(2). A rubber elastic body of thermosetting plastic hot melt, belongs to the hot cold setting. Rubber due to different types of sulfide species, its molding and curing temperature range is also a considerable gap, and even can be affected by climate change, indoor temperature and humidity affected. Therefore, the production conditions of rubber products need to be adjusted at any time. If not, the quality of the products may be different.(3) rubber products are made of rubber raw materials and used as raw materials made from the rubber compound of the mixer, and the formula is designed according to the characteristics of the required rubber products, and the required hardness of the products is determined. The product is made and molded by rubber flat vulcanizing machine. Finally, the product is processed by flying edge, and the surface of the product is treated smoothly without burrs.(4). Aging test of rubber products aging test belongs to the category of rubber aging refers to rubber and products in the processing, storage and use of the process, due to the comprehensive effect of internal and external factors caused by the performance of the structure change, then the loss of use value phenomenon. They are crazing, sticking, hardening, softening, powdering, discoloration, mildew, etc..
Q:PVC conveyor belts and rubber belts differ from each other in their respective advantages
Rubber belts are widely used in conveying equipment, but do you know that proper vulcanization of rubber can maintain high elasticity of rubber and make rubber of a certain strength?. At the same time, in order to increase product hardness, strength, wear resistance and tear resistance, while adding inert filler in the process (such as Zinc Oxide, clay, chalk and barite etc.) and reinforcing filler (such as carbon black), which helps to improve the quality of the conveyor belt.
Q:Will the rubber ring of the thermos bottle be harmful to the human body?
For the requirements of thermos bottle rubber gasket Technology: 1, the appearance of white translucent, the use of non yellowing; 2, non-toxic, tasteless, no odor produced by boiling water after 30MIN; 3, the product is soft, the hand 1 times of fracture elongation, small deformation.
Q:How to improve the aging resistance of rubber?
Whether it is rubber, rubber or rubber particles have a certain life, want to extend the service life of rubber and related products, we must first understand what factors affect the aging speed of rubber products, the four main factors affecting the aging of rubber particles for oxygen, ozone, heat and light.Oxygen oxidation by the rubber molecules of free radical chain reaction, molecular chain fracture or excessive crosslinking, cause the rubber properties changes.
Q:Rubber soaked with hot water will not come out harmful substances?
There are many kinds of rubber. Some kinds of hot water will not soak out harmful substances, such as neoprene, used to make gaskets
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:Excuse me, is PU one kind of silicone? Or what is the connection between the two?
PU is the abbreviation of Polyurethane, Chinese name is polyurethane, referred to as polyurethane. Because of the simple modification of the formula, different density, elasticity, rigidity and other physical properties can be obtained. At present, a large number of glass fiber insulation materials, wood, traditional rubber products and so on.
Q:Rubber and metal have to be sealed before they are too strong
Different materials and O-ring O-ring compression the change of general material such as NBR, NR, nitrile rubber, natural rubber, chloroprene rubber CR, EPDM three EPDM, HNBR hydrogenated nitrile rubber, silica gel SILICOME SBR Buna, styrene butadiene rubber, SBR, acrylate rubber ACM, compression O-ring or the 20% to calculate. If it is a special material FKM, VITON, PU, FLS silicon fluorine rubber, fluorine rubber, polyurethane, compression of these materials is calculated by 15% o ring.

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