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How to choose suitable hardness of silicone rubber for mold making？
Release time:
2021-04-06 14:20
How to choose suitable hardness of silicone rubber for mold making？
For the same casting materials, the hardness of silicone rubber depends on the size and patterns. ---For a block & Cavity moulds
Shore A 5 and 10 for size 10-20 cm with small and fine patterns
Shore A 10 and 15 for size 20-30 cm with fine patterns
Shore A 20 and 25 for size 30-60 cm
Shore A 30 and 35 for size 60-90 cm with sample patterns
Shore A 40 for size more than 90cm
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