concrete pump polyurethane gasket

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Product Description:

concrete pump polyurethane 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 long is the warranty period for EPDM?
The warranty period for rubber products (EPDM) is about 1--6 months.
Q:For the application of common synthetic rubber, not too long or too difficult, want to do
Styrene butadiene rubber (SBR) copolymer of butadiene and styrene. The performance is close to natural rubber, is currently the largest production general synthetic rubber, which is characterized by abrasion resistance, aging resistance and heat resistance than natural rubber, natural rubber texture is uniform. The shortcoming is: low elasticity, flex, poor anti tearing properties; processing poor performance, especially since the viscosity difference, green strength is low. The temperature range of about 50 DEG C: ~100. Mainly used to replace natural rubber tire, rubber hose, rubber plate, making shoes and other generic products.
Q:Is there any poison in the processing and testing of rubber products? What about the salary?
There will be some flavor at the time of processing, as well as some fillers, oil will be a little toxic, and some crosslinking agents may be toxic. But now the mixer extruder is mostly closed, so it is common to pay attention to respiratory protection.A mechanical test is usually less toxic, and a glove is enough.If you do thermal testing, such as TGA, DMA, DSC and so on, it will degrade and release small molecules, especially if the aromatic oil is filled, be sure to pay attention to.
Q:What's rubber skin?
The general rubber has good comprehensive properties and is widely used. The main contents are as follows: natural rubber. From the latex of the Hevea tree, the basic chemical composition is cis polyisoprene. Good elasticity, high strength and good comprehensive performance. Isoprene rubber. The full name is cis -1, 4- polyisoprene rubber, a high CIS synthetic rubber made from isoprene, because of its structure and properties similar to natural rubber, it is also called synthetic natural rubber. Styrene butadiene rubber. Referred to as SBR, made by copolymerization of butadiene and styrene. According to the production method, emulsion polymerization, styrene butadiene rubber and solution polymerized styrene butadiene rubber are divided into emulsion polymerization. Its comprehensive properties and chemical stability are good. The br. The full name is cis -1, 4- polybutadiene rubber, referred to as BR, made from butadiene polymerization. And the other than universal rubber, vulcanized butadiene rubber cold resistance, abrasion resistance and excellent elasticity, dynamic load, less heat, good aging resistance, easy and natural rubber, chloroprene rubber, nitrile rubber and etc..
Q:What does rubber mean?
High elastic polymer compound. It is divided into two kinds: natural rubber and synthetic rubber. Natural rubber is made from rubber, tree, rubber, grass and other plants. The synthetic rubber is obtained by polymerization of various monomers.
Q:What is the size of the scorch time of the rubber?
Rubber is a mixture of organic and inorganic compounds. The main component is organic matter, and the scorch time can reflect the weather resistance and fire resistance of the product.
Q:What kind of materials should be used for rubber products to keep the brightness of the mirror for a long time?
To make high gloss products, first of all, there must be good raw materials, followed by a good stain, high light color powder, to achieve free spraying, high light injection molding, first of all need to use high gloss plastic material.
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:What is rubber leather?
Special rubber refers to rubber with some special properties. The main contents are as follows: chloroprene rubber. CR, prepared by polymerization of chloroprene. With good overall performance, oil resistance, combustion resistance, oxidation resistance and ozone resistance. But its density is larger, it is easy to crystallize at room temperature, hard to store, cold resistance is poor. Nitrile rubber. Referred to as NBR, made by copolymerization of butadiene and acrylonitrile. Good oil resistance and aging resistance. It can be used in the air of 120 degrees Celsius or in the oil at 150 degrees centigrade for a long time. In addition, it also has water resistance, air tightness and excellent adhesive properties. Silicone rubber. The backbone consists of alternating atoms of silicon and oxygen, with organic groups on silicon atoms. High and low temperature, ozone resistance, good electrical insulation. Fluorine rubber. A synthetic rubber containing fluorine atoms in the molecular structure. Usually, the number of fluorine atoms in the fluorine containing unit in the copolymer is expressed as fluorine rubber 23, and the copolymer is two vinylidene fluoride and three fluorine vinyl chloride. Fluorine rubber, high temperature, oil resistance, chemical resistance. Polysulfide rubber. Condensation of two halides with sulfides of alkali or alkaline earth metals. Has excellent oil resistance and solvent resistance, but the strength is not high, aging resistance, poor processability, odor, and more with nbr. In addition, there are polyurethane rubber, epichlorohydrin rubber, acrylic rubber and so on.
Q:Why is rubber forest a green desert?
Long ago, the people have the knowledge of the use of wild rubber. Before Columbo came to the new world, no one outside the Americas knew that there was a species called rubber, and never thought that there would be a magical liquid out of the tree trunk that could change the progress of human civilization one day.

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