concrete pump part pipe seal gaskets (5inch nature rubber)

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Product Description:

Concrete pump part pipe seal gaskets (5inch nature rubber)

  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:How to remove the rubber front?
At present, there are two kinds of machine trimming on the market: roller grinding and cold trimming at normal temperature. If the product added value is not high, not strong to Feng processing precision, recommended by the economic roller milling Xiu Feng, this is the products into the drum, small friction rub off Feng ball and rely on some products produced by each other. The advantage of this approach is that it is relatively economical.
Q:What is the difference between PVC rubber and ordinary rubber?
The vinyl chloride homopolymer and vinyl chloride copolymer are collectively referred to as vinyl chloride resins. The material is a non crystalline material. PVC materials often use stabilizers, lubricants, auxiliary processing agents, pigments, anti shock agents and other additives in practical use. Is not flammable, high strength, excellent resistance to climate variability and geometric stability.
Q:What is the size of the scorch time of the rubber?
Scorch time, or T10, is the time required for torque to reach 10%. Scorch is the phenomenon of early vulcanization occurring in the processing of rubber compound.
Q:What about the smell of smoked rubber products?
The corresponding type of rubber deodorant is one of good methods for removing it, or to reduce the degradation of various rubber acids produced in the processing or in the process of the use of alkoxy compounds, aldehydes, vinyl compounds, peroxide and sulfide odor of chemical additives, the smell if inhaled for a long time will stimulate the senses, give people uncomfortable feeling even harmful to the body, have two times of pollution to the environment, the chemical composition of different varieties of rubber and the resulting odor molecules are different,
Q:How to remove the peculiar smell of rubber products?
Boiled smell removing method has a long history, has already appeared at the end of 80s, now there is also a part of the factory workshops in using this method (the rubber products produced by cooking in boiling water) this method can eliminate the small part of the reclaimed rubber smell, but most can not eliminate and cannot be eradicated, after a period of time reclaimed rubber continued precipitation and volatile flavor. Boiling water with the exception of flavor, artificial high cost, cumbersome process, the effect can not be sustained, and go to the general effect of flavor.
Q:What are the causes of chapped rubber products?
Measures to prevent aging:From the point of view of aging, one of the main reasons is the polymer structure itself. Therefore, it is important to improve the structure of polymers to improve their aging ability. For example, in rubber vulcanization, there are still unsaturated double bonds, and rubber products in use and it is difficult to avoid the erosion of sunlight, oxygen, ozone, so people on the synthesis of new varieties, to avoid or reduce the polymer chain of rubber double bonds, such as ethylene and propylene two monomer by copolymerization made two yuan B two rubber, different from other synthetic rubber is one of the major characteristics in the structure of the backbone is not completely saturated with double bond, making it the most ozone resistance, chemical resistance, high temperature resistant rubber aging; there is a kind of antioxidant, such as adding oxygen or ozone to prevent aging caused by antioxidants. Add UV stabilizers, heat stabilizers, preservatives and other unfavorable factors, and caused by aging
Q:What kind of rubber does TPE belong to?
TPE does not belong to rubber.Although TPE has a tensile resilience similar to that of ordinary rubber, TPE is thermoplastic and rubber is thermosetting. Rubber needs cross-linking. It can not be reprocessed after molding. TPE can be processed repeatedly.
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:What do you pay attention to when using rubber?
Note the aging of rubber rubber rubber and its products in the processing, storage and use of the process, due to the comprehensive effect of internal and external factors caused by the physical and chemical properties and mechanical properties of rubber gradually deteriorated, and finally lose value, this kind of change is called aging of rubber. The surface is characterized by crazing, sticking, hardening, softening, powdering, discoloration, mildew, etc..
Q:How to make mobile phone rubber coat non stick ash?
Silicone mobile phone sets can not be stained with gray, if not stained with gray, it certainly does not slip ah (such as stainless steel)

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