IOTA Fumed Grade High Tearing Strength Silicone Rubber
Description:
IOTA Fumed Grade High Tearing Strength Silicone Rubber is master-batch, heat vulcanizing after the addition of a vulcanizing agent (chosen according to the transformation process)
Typical properties
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Type |
Fumed grade high tearing strength silicone rubber |
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Use |
excellent tearing strength and transparency，suitable for goods which require high tear strength |
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Product model |
IOTA HTV-5541 |
IOTA HTV-5551 |
IOTA HTV-5561 |
IOTA HTV-5571 |
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Appearance |
Transparent |
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Density g/cm3 |
1.08 |
1.10 |
1.12 |
1.14 |
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Hardness A |
40 |
50 |
60 |
70 |
|
Tensile strengthMPa≥ |
8.5 |
9 |
9 |
9 |
|
Elongation at break %≥ |
630 |
550 |
500 |
400 |
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Tear strength B Kn/m ≥ |
33 |
35 |
35 |
35 |
|
Linear shrinkage rate,% |
3.8~4.2 |
3.6~4.0 |
3.6~4.0 |
3.0~3.5 |
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rebound elasiticity ≥ % |
66 |
68 |
62 |
56 |
Applications:
It is suitable for food grade products with special requirements requiring high transparency and high tear strength.
The vulcanized product can be used at - 50 ℃ ~ 250 ℃.
Special properties：
(1) Excellent process ability
(2) Excellent mechanical properties
(3) High transparency and tear strength;
(4) Excellent wear resistance, fatigue and compression set;
(5) Harmless to human body.
Vulcanizing agent:
(1) 1.25% 2,4-dichloro-benzoyl peroxide(at 50%), and vulcanization for 8min at 115°C;
(2) 1.0% 2,5-dimethyl-2,5-di(tert-butylperoxy)hexane (45%), and vulcanization for 5 minutes at 175°C，post-curing condition :200°C*4h
Packing:
It’s delivered in 20 kg carton boxes.
Storage and shelf life:
It may be stored in its original unopened packaging at a temperature below 40°C for up to 12 months from the date of manufacture marked clearly on the packaging.
Past this date, IOTA no longer guarantee that the product meets the sales specifications.
