The limitations of silicone rubber

Everything has its limitations,if it exceed the limitations,the molecular properties will be damage,and lead to all kinds of property will be reduced. Silicone rubber also has its limitations,such as temperature,hardness,weather, etc.,when you over the limitations ,certain aspects of its elongation,shrinkage, anti-tearing performance,anti-aging,corrosion-resistant properties will suffer some damage.Here is an example of extreme hardness of the silicone rubber.  　

When the hardness of silicone rubber is lower than 15 shore A,the tension, the tear strength,the aging resistance,acid and alkali-resistance of silicon rubber will reduce respectively.   　　

When the hardness of silicone rubber is higher than 50 shore A,the tension and the tear strength of silicon rubber will reduce,and the solidified silicone mold will be easily broken.   　　

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