1、Unvulcanized rubber： Mooney viscosity/Prevulcanization characteristics/ Hardness/Tensile Properties/Tear strength。

2.Vulcanized or thermoplastic rubber ：

 Hardness/ Tensile Properties/Tear strength/Liquids resistance/ Heat resistance/Compression set /Ozone resistance/ Density/Corrosion of metals/ Low temperature brittleness/ Surface cracking/Transmission of liquids， Hydrostatic testing/low temperature flexibility/ Bending tests. 

3. Testing equipments:

Electronic Tension Tester/Curometer/Infrared Spectrometer

Mooney Viscosity Tester/Micro-durometer/Ozone Tester

Rated burst laboratory table/Flexibility Tester/Cleanliness and Particle analysis system/Automotive hose 

multi-purpose tester