concrete pump spare parts rubber gasket 3inch

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Product Description:

Concrete Pipe 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: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:How is the temperature range of rubber determined?
Rubber is based on rubber molecular structure and molecular weight as well as microscopic view to determine temperature range!
Q:How is rubber made? What kind of equipment do you need? How much is it?
Machining process:This process involves basic processes such as plasticization, mixing, calendering or extrusion, forming and vulcanizing. Each process has different requirements for the product and cooperates with a number of auxiliary operations. In order to make all the necessary coordination agent in rubber, rubber Plasticating must first go through improving the plastic; then by mixing carbon black and all kinds of rubber and rubber additives are evenly mixed into rubber; rubber shaped blank after extruding; and then the textile materials and rolled hanging glue or glue (or metal material) together formed into semi-finished products; finally after vulcanization will have final semi-finished products made of high elastic plastic. The products with higher precision requirements, such as oil seals, O rings and seals, also need trimming and deburring, and manual trimming, mechanical trimming and cold trimming can be used.
Q:Rubber products on tiles, why tiles yellow?
Rubber products generally contain operating oil, the role is to make rubber easier to process and soft. But the oil runs easily to the surface of the rubber, so it makes the tiles yellow.
Q:Why does rubber stink?
Because of the original gum problem, such as PU or polyurethane will have a foul smell.Highly elastic polymer material with reversible deformation of rubber. It is elastic at room temperature and can produce great deformation under very little external force. It can be restored to original state after removing external force. Rubber is completely amorphous polymer, its glass transition temperature (T, g) is low, the molecular weight is often large, more than hundreds of thousands.
Q:What solvent is used to clear the melted rubber layer?
Dry glue in water does not exceed 1%, in the process can be volatile, but the moisture content is too long, will not only make the rubber easy to mildew during storage, but also the impact of rubber processing, such as mixing with the agent is easy to agglomerate; easy to blister calendering and extrusion process, the bubble or a sponge the curing process etc..
Q:What is the harm of rubber to the human body?
In the manufacture of rubber products, the rubber itself is not toxic, but some agents are toxic, so most of the factories are now using intelligent small drug batching system, to avoid direct contact with the human body.
Q:EPDM rubber foam?
Its characteristics: due to the internal foaming material containing a large amount of air or other gas, and should not be in circulation, especially the closed cell foam, with independent foam completely separated, material can obviously slow down on the heat conduction coefficient of heat conduction, very basic, more softness of the material itself, and good elasticity, can be used as the car, insulation materials, household appliances, ship electronic equipment, medical equipment, fitness equipment, such as the ideal air conditioning pipeline...
Q:What kind of product is suitable for rubber trimmer? Where's the rubber trimmer?
Rubber products, silica gel products, special rubber products only need to have the rubber parts of the dismantling groove, and the diameter of the rubber inside the 100MM can be used as trimming machine.
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).

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