DN80/3 Inch Rubber Seal Gasket For Concrete Pump Parts

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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.


Corrosion resistance, high temperatureresistance, abrasion resistance.


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 is the relationship between the hardness and tensile strength of rubber pad?
The relationship between the hardness and tensile strength of rubber pad: the higher the hardness, the greater the tensile strength.
Q:How does the rubber part of the watch become yellow?
The rubber strap is yellow and rubbed with the weld polish. Remember, the ratio is 1 to 70.
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 is the difference between natural and synthetic rubber?
Synthetic rubber is made by synthetic methods, and different kinds of rubber can be synthesized with different raw materials (monomers).
Q:What is the pressure on rubber products during vulcanization?
The vulcanization pressure in the process of processing is the pressure on the unit area in the process of vulcanization. In general, in addition to rubberized products, other rubber products are required to exert some pressure during vulcanization. Vulcanization pressure mainly has the following points:1) prevent the bubbles from forming bubbles in the process of vulcanization and improve the compactness of the products.2) the filling flow of the filling material is driven by the power to fill the mold cavity.3) to improve the adhesion between rubber and cord and the bending resistance of products.4) improve the physical and mechanical properties of vulcanized rubber (i.e. products).
Q:Does the fuel pipe for automobiles belong to rubber product?
If it is gasoline, remove the oil supply rack and the metal oil pipe on the chassis, to connect the need for some of the arc, are rubber material pipe.
Q:How do ordinary NBR and EPDM materials differ?
Difference: EPDM density is lower than NBR, the appearance of EPDM is transparent or white, and NBR is yellow or white yellow.
Q:What is the definition of mixed rubber?
Chemical property:Synthetic rubber is composed of different monomers under the action of the initiator, the polymerization of polymers of variety, monomer, styrene, butadiene acrylonitrile, isobutylene, chloroprene etc.. There are four kinds of polymerization process: emulsion polymerization, solution polymerization, suspension polymerization and bulk polymerization.
Q:How to distinguish between good and bad silicone rubber gasket?
Silicone rubber gasket has a good elasticity, because the high elasticity mainly comes from the movement of the molecular chain of silica gel, so when buying silicone products, first look at the elasticity of silica gel products, so as to determine the quality.
Q:Rubber products labeled Huai gum can improve wear?
Today, white carbon (silica) is added to the tread formula, which is not for abrasion resistance, but for skid resistance of wet pavements, and is resistant to cutting in truck tires.

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