EPDM material and silicone rubber material are two kinds of raw materials that are widely used in cable termination accessories at this stage. They each have their own advantages and disadvantages and are applicable in different ranges, contributing their share to the development of transmission and distribution.

The Advantages of Cable Termination Accessories Using Epdm Material are:

EPDM material and rubber injection process made of detachable connectors have many advantages: fully insulated, fully shielded, fully sealed, etc. These characteristics of EPDM material effectively solve the problem of concentrated electric field stress in the cable connection part, the cable is susceptible to moisture, the cable is subjected to a certain mechanical stress, the electrical stress at the disconnection of the cable shield is too concentrated, etc. And the cable products made of EPDM material are particularly convenient in installation and disassembly, truly separable. And EPDM material itself is non-toxic, and the by-products of combustion is also non-toxic, to avoid environmental pollution. So now there are more and more manufacturers are starting to use EPDM material.

Disadvantages:

The best products have their shortcomings, EPDM material's biggest disadvantage is that it can not withstand organic solvents containing hydrocarbons.

Advantages of Using Silicone Rubber Cable Termination Accessories:

Insulation performance is particularly good, the product in the moisture, frequency changes or its surrounding temperature rise, its insulation changes are very small. And silicone rubber material in the combustion of the generation of silica is also a kind of insulation, flame retardant performance is very good material. So the use of silicone rubber materials in high pressure occasions is very safe and reliable. In addition, silicone rubber material has good elasticity, excellent high and low temperature performance, better UV resistance and oxidation resistance. And different from the EPDM material is that it can also withstand a variety of organic solvents. Therefore, the application in cable accessories is more extensive than EPDM material, especially in the application of prefabricated cold shrinkage cable accessories.

Disadvantages:

The mechanical strength of the product is general, and it is not as good as EPDM material in terms of scratch resistance, water resistance and moisture resistance. And once the silicone rubber formula is not appropriate, it is easy to lead to the problem that the product is not easy to disassemble after installation. This is also the main reason why many cable manufacturers choose EPDM material. The biggest drawback of silicone rubber material is that it is not toxic, but once the explosion or combustion generated by-products such as formaldehyde and quartz is a toxic gas, polluting the surrounding air.

Each raw material has its own advantages and disadvantages, and the raw materials for cold shrink cable accessories are no exception. But when using them, try to do their strengths and avoid weaknesses, so that their advantages, to achieve the maximum use.

To sum up: silicone rubber than EPDM rubber strength is low, easy to pull off, and the car door and window seals at often in contact with the profile. So silicone rubber instead of durable, although silicone rubber has the advantages of high temperature resistance, good insulation properties. But this kind of scenario is rarely encountered after all, it is not practical for general windows and doors. EPDM rubber has superior anti-aging properties, and high strength, wear-resistant, the price is also cheaper than silicone rubber, the overall choice of EPDM rubber is better.