Q:What is the relationship between the hardness and tensile strength of rubber pad?

The molecular weight increases, increasing the fan Edward force, the chain segment is not easy to slip, the equivalent of molecules formed between physical crosslinking points with the molecular weight increased, the tensile strength increased to a certain extent reached equilibrium; the microstructure of the molecule, such as the effect of CIS and trans type structure; crystallization and orientation.

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:How can rubber and mould not be bonded when producing rubber products?

Mold release can not be solved, we can only start with the mold structure. Because the main reason for adhesion is the complex structure of the product, resulting in strong vacuum adsorption between the mold and the mold. In view of this, we can do a few more exhaust at the appropriate location of the mold. If allowed, you can also modify the product structure, of course, this is unlikely. But really can not do it, this is the best solution.

Q:Why should the tire be made of rubber?

Early rubber was made from latex of rubber trees, rubber grass and other materials made of flexible, insulating, impermeable and air. Rubber is a high elasticity of high polymer compounds, divided into two kinds of 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. Rubber products are widely used in industry or in all fields of life.

Q:Rubber Mooney value is what meaning, what is the role of

Mooney viscosity (Mooney viscosity) also called rotation (Mooney) is determined by numerical viscosity, Mooney viscometer, synthetic rubber can basically reflect the degree of polymerization and molecular weight. The rotor is a standard Mooney viscometer, at a constant speed (2 RPM), rotating in a closed chamber in the sample the viscosity change of shear resistance. The size of the sample and the rotation of the rotor during the curing process, through the force measuring device is displayed on the dial to Mooney units, at the same time interval can be read Mooney, vulcanization curve, door number rose after the first drop, 5 unit increase in the time from the lowest point called the Mooney scorch time, the Mooney scorch and then increased to 30 units and the time that scorch time.

Q:What is rubber made of?

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. Rubber products are widely used in industry or in all fields of life.

Q:What are the causes of fracture in rubber products?

If it is because of aging and fracture, this is a normal phenomenon, is not a problem in the safe use period, there is to pay attention to the storage environment, avoid direct sunlight, the best placed in the shade, not stored in a humid environment.

Q:What is rubber damping material?

A general term for polymeric materials with sound absorption, heat insulation, shock proof and other functions. Materials with larger internal friction peaks, such as polyacrylate, polyurethane, epoxy resin, butyl rubber and nitrile rubber, are often used at the service temperature and frequency.

Q:What is the relationship between synthetic rubber and crude oil?

Synthetic rubber also has disadvantages, the drawing effect of main disadvantage lies in its relatively poor, tearing strength and mechanical properties are relatively poor, but because of synthetic rubber materials than natural rubber has the advantages of low cost, but also a lot of Companies in the production of low-end products preferred.

Q:How to distinguish between silicone hose and rubber tube by appearance?

Smell, silicone no flavor, rubber flavor, silicone general flexibility better, rubber mechanical better