Product Features: 1. Good resistance to high and low temperature - super reliability in operation and performance. 2. Adjustable Modulus - Design Flexibility 3. Good cold resistance (low phenyl content) 4. Good ablation resistance (medium and high phenyl content products) 5. Good resistance to radiation (high phenyl content)Application: Basic silicone material for high temperature vulcanized silicone rubber, especially for extreme hostile environment. Packaging and storage: 25kg cardboard box (lined with plastic bag) The shelf life is 1 year on the unopen condition. After the expiration date, if test qualified, could also be used.