Applications:
A1 series with precinitated silica are used to manufacture molded food contact silicone rubber products.
A9 series with fumed silica are used in molding and extrusion process, and used to manufacture food contact silicone rubber products and transparent silicone tubes.
Typical Technical Properties:
Item | LR-A130 | LR-A140 | LR-A150 | LR-A160 | LR-A170 | LR-A180 |
Appearance | Milky-white, translucent, no mechanical impurities |
Density, g/cm3 | 1.06-1.10 | 1.10-1.15 | 1.13-1.18 | 1.15-1.20 | 1.18-1.23 | 1.20-1.25 |
Hardness, Shore A | 30±3 | 40±3 | 50±3 | 60±3 | 70±3 | 80±3 |
Tensile Strength, MPa ≥ | 7.0 | 7.5 | 8.5 | 8.0 | 8.0 | 7.0 |
Elongation at Break,% ≥ | 600 | 500 | 400 | 400 | 300 | 200 |
Tear Strength, kN/m ≥ | 15 | 19 | 20 | 20 | 18 | 15 |
Resilience, % ≥ | 65 | 55 | 50 | 50 | 45 | 35 |
Item | LR-A930 | LR-A940 | LR-A950 | LR-A960 | LR-A970 | LR-A980 |
Appearance | Translucent, no mechanical impurities |
Density, g/cm3 | 1.06-1.10 | 1.09-1.15 | 1.12-1.18 | 1.14-1.20 | 1.17-1.23 | 1.18-1.25 |
Hardness, Shore A | 30±3 | 40±3 | 50±3 | 60±3 | 70±3 | 80±3 |
Tensile Strength, MPa ≥ | 8.0 | 8.5 | 9.0 | 9.0 | 9.0 | 8.5 |
Elongation at Break,% ≥ | 700 | 600 | 500 | 400 | 320 | 220 |
Tear Strength, kN/m ≥ | 15 | 20 | 25 | 25 | 25 | 20 |
Resilience, % ≥ | 55 | 45 | 45 | 45 | 40 | 35 |
●The physical property data listed in the above table are for reference only.
●Vulcanization conditions: Vulcanization temperature: 120±10℃; Vulcanization pressure: 9～15MPa, Vulcanization time: 300s; Ratio of curing agent: platinum vulcanizatior, 0.4%-0.6% added for component A, 0.8%-2.5% added for component B.
Instructions for industrial use:
◆The user is obliged to understand the scope of application and purpose of the product used;
◆Please do not use the above products for transplantation or injection into the human body;
◆The test report accompanying the goods is only the test result of the quality inspection department based on the company's vulcanization conditions and test methods;
◆Due to the difference in vulcanization conditions and test methods, we cannot guarantee that both parties can obtain the same test results. It is recommended that users use the test data obtained under their own test conditions as a reference for performance;
◆Any of the above performance data and applicable suggestions are only a reference for the performance of the company's products, and are not a guarantee of the effectiveness or versatility of the company's products in specific applications.
Package &Storage:
In 20kg carton packing with two layers, the inner packaging is a polyethylene plastic bag, and the outer packaging is a carton.
Keep in cool, dry and ventilated place. When transporting the product, it should be protected from rain, moisture, sun, acid, alkali and other impurities, and away from fire and heat sources. Keep in unopened containers, shelf life is 12 months from the date of production. It is shipped as non-hazardous substance.
Storage beyond the shelf life does not necessarily mean that the product is no longer usable. In this case however, the properties required for the intended use must be checked for quality assurance reasons.
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