Raw materials
Silicone Rubber For Tyre Molding |
Product |
E-620 |
Appearance |
Translucent |
Hardness(shore A) |
20±2 |
Mix ratio(A: B) |
1: 1/10: 1 |
Viscocity Part A(mPa.s) |
23000±2000 |
Viscocity Part B(mPa.s) |
3500±500 |
Tensile strength (kgf/cm2) |
45±5 |
Tear-strength (kN/m) |
20±2 |
Elongation(%) |
500±50 |
Pot life/working time (mins) |
30-40 |
Curing time/setting time (hrs) |
3-4hrs(25℃) 110-20mins(60℃) |
Shrinkage rate (%) |
0.1 |
(Please note: the above data for this product in 25℃temperature, 55percent humidity conditions, for reference. The accurate data is measured by customers when using.)
Operation instruction of HY-E Series molding silicone:
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 .
Notice:
As our E-series silicone is platinum cure silicone , which is very easy to cause
cure inhibition , so pls do remember thoroughly clean the model and tool before
operation . Besides , pls avoid the liquid E-series silicone contact or mix with the
following material , otherwise the silicone won't be cured :
1. Liquid condensation silicone ( condensation silicone not completely cured or organic
tin compounds )
2 .Sulphur, sulfide and sulfur rubber materials.
3. Amine compounds as well as contains the amine materials.
4 .Pewter solder flux.
SHELF LIFE:
8-10 months when stored under 24℃ in original unopened packages
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.
Good deal: buying from seller
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