Overview of the characteristics and advantages and disadvantages of various rubber materials:
1, Natural rubber
Characteristics: It has a certain plasticity at room temperature, gradually hardens as the temperature decreases, has good elasticity, good air tightness, and strong water absorption.
Advantages: Good elasticity, airtightness, and alkali resistance.
Disadvantages: Not resistant to aging, poor resistance to oil and non-polar solvents.
2, Styrene butadiene rubber
Characteristics: High solubility parameter, soluble in most hydrocarbon solvents, slow vulcanization rate, superior wear resistance, heat resistance, and aging resistance.
Advantages: Good processing performance, wear resistance, heat resistance, and aging resistance.
Disadvantages: Low strength, poor adhesion, fast crack propagation speed.
3, Butadiene rubber
Characteristics: High elasticity, maintaining elasticity over a wide temperature range, excellent wear resistance, and good filling properties.
Advantages: high elasticity, wear resistance, and good processing performance.
Disadvantages: Low tensile strength and tear strength, poor wet slip resistance.
4, Isoprene rubber
Characteristics: Uniform quality, high purity, short molding time, good fluidity.
Advantages: Easy processing, light color, small expansion and contraction.
Disadvantages: Low tensile strength and some strength indicators are lower than natural rubber.
5, Ethylene propylene rubber
Characteristics: Extremely high chemical stability, superior aging resistance, good heat resistance, and excellent electrical insulation.
Advantages: aging resistance, ozone resistance, heat resistance, and good electrical insulation.
Disadvantages: Poor self adhesion and mutual adhesion, poor oil and solvent resistance.
6, Chloroprene rubber
Characteristics: High tensile strength, excellent aging resistance, good flame resistance, oil resistance, and solvent resistance.
Advantages: aging resistance, flame resistance, oil resistance, and good air tightness.
Disadvantages: Poor electrical insulation, poor cold resistance, and poor storage stability.
7, Nitrile rubber
Characteristics: Polarity, excellent resistance to non-polar and weakly polar oils and solvents, good wear resistance.
Advantages: Good oil resistance, wear resistance, and aging resistance.
Disadvantages: Poor cold resistance and poor electrical insulation performance.
8, Butyl rubber
Characteristics: Excellent airtightness, good heat and oxidation resistance, and excellent electrical insulation performance.
Advantages: good airtightness, heat resistance, oxidation resistance, and electrical insulation.
Disadvantages: Slow vulcanization speed, poor self adhesion and mutual adhesion.
9, Silicone rubber
Characteristics: High and low temperature resistance, electrical insulation, good weather resistance, excellent physiological inertia.
Advantages: high and low temperature resistance, electrical insulation, good weather resistance.
Disadvantage: Not resistant to oil.
10, Fluororubber
Characteristics: Excellent corrosion resistance, good high-temperature steam resistance, and low gas permeability.
Advantages: Good corrosion resistance, high temperature resistance, and vacuum resistance.
Disadvantages: Poor elasticity, poor cold resistance, and poor electrical performance.