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Craft
Silicone rubber for tire mold making |
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Product |
E620 |
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Appearance |
Translucent |
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Hardness(shore A) |
20±2 |
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Mix ratio(A: B) |
1: 1/10: 1 |
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Viscocity Part A(mPa.s) |
23000±2000 |
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Viscocity Part B(mPa.s) |
3500±500 |
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Tensile strength (kgf/cm2) |
45±5 |
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Tear-strength (kN/m) |
20±2 |
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Elongation(%) |
500±50 |
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Pot life/working time (mins) |
30-40 |
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Curing time/setting time (hrs) |
3-4hrs(25°C) 110-20mins(60°C) |
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Shrinkage rate (%) |
0.1 |
Addition cure silicone rubber for tire mold making operation:
1. Pls clear the model and tool totally before operation to prevent cure inhibition.
2.Weigh the two part correctly by electronic weight in two separate container .
3. Mixing the two part in 1: 1/10: 1 and stir part A and part B evenly in 2-3 minutes .
4.And get the mixture for vacuum-pumping for de-air the bubble in around 2-3 minutes . (If there is no vacuum machine, pls pour the mixture carefully and slowly down the side of the mold frame so that less bubbles caused)
5. Enclose the product (the original model) with four plastic plates or wooden plates.
6. Clean your products and brush a layer of release agent(detergent or soap water)
on your product.
7. Pour the vacuumed mixture into the model frame from the side of the mold frame .
Addition cure silicone rubber for tire mold making package:
If ratio is 1: 1 : Packed in 20kg/pail + 20kg/pail and 200kg/pail + 200kg/pail.
If ratio is 10: 1 : Packed in 20kg/pail + 2kg/pail and 200kg/pail + 20kg/pail.
Contact : Yang Henry, +86 0755 89948294
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