Feb 14, 2025

How to distinguish between raw rubber and cooked rubber

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Vulcanized rubber refers to raw rubber or mixed rubber. Rubber can be divided into general-purpose rubber and special rubber according to its use.
General-purpose rubber includes: natural rubber, butadiene rubber, styrene-butadiene rubber, isoprene rubber.
Special rubbers include: fluororubber, acrylic rubber, chlorosulfonated polyethylene, chlorinated polyethylene, silicone rubber, polyether rubber, polyurethane rubber, etc. They are often used under harsh or special conditions and have high use value. According to the properties of various rubbers, the scope of use is different. For example, natural rubber can be used to make tires, pipes, rubber shoes, etc.

Raw rubber is rubber that has been added with various additives and fillers but not vulcanized, and cooked rubber is vulcanized rubber.

The biggest difference between raw rubber and cooked rubber is that raw rubber is smaller than cooked rubber in terms of tensile strength and resilience, and the surface of raw rubber is rough while cooked rubber is generally smooth.

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