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Silicone hose is one of the essential parts of automobile. Auto parts in the selection of materials need to be strictly controlled. Decide which material will work best. Some think rubber pipe is suitable for cars, some think PVC pipe is suitable for cars. What is the difference between rubber and PVC Hoses for cars?

Auto silicone hose and PVC hose, how do you distinguish?

Silicone hose role mainly for transmitting gas, liquid, paddle body or particles, such as adaptability and different material and different environments have different choice of material nature, but as automotive rubber hose, PVC and silica gel properties and get to know each other, so the function and direction are basic to know each other, so in the car they exactly how to distinguish?

what is a PVC pipe?

PVC pipe is made of polyvinyl chloride resin and stabilizer, lubricant and so on with hot pressing injection molding machine extrusion molding, the main performance, electrical insulation; Good chemical stability; Self extinguishing; Low water absorption; Easy to stick, can withstand high temperature of about 40°. Main appliances industrial gas, liquid delivery, household sewer pipe, water pipe and so on. Environmental protection problems: the added plasticizer, anti-aging agent and other main auxiliary materials are toxic, the daily use of PVC plastic plasticizer, mainly use dibutyl terephthalate, dioctyl phthalate and so on, these chemicals are toxic.


Silicone rubber is a polymer material, which is different from PVC in that the basic properties of the body material have been improved and strengthened. The high temperature resistance (250-300℃) and low temperature resistance (-40-60℃) function has a certain physiological stability, and can be repeated many times under harsh and disinfection conditions.

With excellent resilience and small permanent deformation (200℃48 hours not more than 50%), breakdown voltage (20-25kV /mm), ozone resistance, UV resistance. Radiation resistance and other characteristics, special silicone rubber has oil resistance function. Silica gel tube is widely used, and the automotive silica gel tube will be the direction of development after the development of silica gel tube.

The main parts of silicone tube in the car are: engine, transmission brake, drive, pressurization transfer and so on. In addition, the automobile silica gel tube manufacturers can also select different material performance hose, such as medical silicone hose, food grade silicone pipe, industrial pipe, silicone elbow hose, silicone pipe accessories and so on.

OrientFlex is a best auto silicone hose manufacturer in China. To find out more about their silicone hose product range.Request a quote!