DN125 Concrete Pump Rubber Seal Gasket

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Product Description:

DN125 Concrete Pump Rubber Seal

  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 disadvantages of a rubber roof?
Housing rubber roof area must be greater than the housing area, mainly for water and rubber, heat up, cold weather.
Q:Will rubber products fade?
Rubber products will fade, is a rubber aging process, mainly due to external factors, temperature changes, the use of time, light, chemicals, external force and so on.
Q:Are there formaldehyde in rubber products, too?
Yes, because formaldehyde is a very good organic solvent, so the general rubber varieties contain formaldehyde.
Q:What is the cause of the bursting of rubber products and how should they be improved?
There are five reasons for the bursting of rubber products: 1. forming temperature is too high, or the temperature of the upper and lower template is inconsistent. 2. the exhaust line is too open or exhaust time is too late. 3., the material quickly cooked. 4., the mold structure is irrational, there is no running trough. 5., down weight, overweight.
Q:Excuse me, is PU one kind of silicone? Or what is the connection between the two?
First of all, PU does not belong to silica gel, and PU refers to polyurethane. It is a kind of macromolecule material which is made up of organic diisocyanate or polyisocyanate and two hydroxyl or polyhydroxy compound. And silica gel is a common organic silica gel. The basic structure of organic silica gel is made up of silicon oxygen link, and the side chain is connected with other organic groups through silicon atom. So, these are two very different materials that make up the system. But because of the wide application of the two, they intersect in some application fields.
Q:Why do rubber products become so long that they seem to melt and become sticky on the surface?
If the solvent is tacky, the reason why the rubber is not involved in the crosslinking is dissolved. Rubber products are generally crosslinked, and the crosslinked part is the main part of rubber. It only swells and dissolves under the action of solvent. If this is the case, it will not stick when the solvent is dry.
Q:What is the role of softening plasticizers in rubber? How are they classified?
Plasticized formulations can also classified by the sources of petroleum, coal tar plasticizer plasticizer, turpentine, plasticizer, plasticizer and synthetic fatty plasticizer.
Q:What advantage does ethylene propylene rubber with three yuan compare to two yuan ethylene propylene rubber?
In recent years, the third monomer and new technology development, foreign developed 1 7- octadienoic, 6, 5, two 10- methyl -1, 9- eleven, 7- two three ene 3, methyl -1, 6- octadienoic, 5 7-, two methyl -1, 6- octadienoic, 7- methyl -1, 6- octadiene as the three EPDM third monomer, the performance of three Yuan rubber has been enhanced. The monomer and content of third monomer in three yuan ethylene propylene rubber have direct influence on vulcanization rate and vulcanizate property. Among them, dicyclopentadiene (DCPD) as the third monomer, although the price is low, but the three Yuan rubber vulcanization speed is slow, difficult and high degree of unsaturation diene rubber and use; to ethyiidenenorbomene (ENB), 6 10-, two methyl -1, 5, third monomer three Yuan rubber vulcanization speed 9- eleven three ene as fast, the former has become the main varieties of three yuan of ethylene propylene rubber. The third monomer content in iodine said three EPDM iodine value is generally 6-30, mostly around 15. The iodine value is 6-10, curing speed is slow, difficult and high unsaturated rubber; iodine value is 25-30, for ultra high speed curing type, available in any proportion and high unsaturated diene rubber and use. Therefore, three yuan ethylene propylene rubber and other rubber in use, should pay attention to choose the appropriate three yuan ethylene propylene rubber varieties.
Q:What is the definition of mixed rubber?
AdvantageThe main purpose of the industrial synthesis of rubber material is cost saving, improving the properties of rubber products, because the natural rubber products price is more expensive, in order to reduce the cost of enterprises have invested a lot of synthetic rubber materials with low cost.Synthetic rubber material also has excellent heat resistance, cold resistance, corrosion resistance, and little affected by environmental factors, synthetic rubber materials and suitable for 60 to 250 degrees below zero normal use.
Q:How can rubber products be softened?
Softener generally need to add a certain amount of plasticizer in rubber processing. It is usually of low softness to make the rubber softMolecular substances, they can increase the plasticity of rubber, liquidity, adhesion, in order to facilitate molding and molding and other process operations. It can also help the powder mixture to disperse and reduce the mixing temperature, at the same time, it can reduce the viscous flow temperature and the glass transition temperature of rubber, and improve the low temperature resistance of rubber.

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