![]() Ease Release™ 200 is a proven release agent for releasing silicone from silicone or other surfaces. Applying A Release AgentĪlthough not usually necessary, a release agent will make demolding easier when casting into most surfaces. If you are not sure if your clay contains sulfur, do a small compatibility test before using for an important project. Allow any sealer to thoroughly dry before applying rubber.Įven with a sealer, Mold Star™ silicones will not cure against surfaces containing sulfur. To prevent inhibition, one or more coatings of a clear acrylic lacquer applied to the model surface is usually effective. Inhibition has occurred if the rubber is gummy or uncured after the recommended cure time has passed. Apply a small amount of rubber onto a non-critical area of the pattern. If compatibility between the rubber and the surface is a concern, a small-scale test is recommended. Latex, sulfur clays, certain wood surfaces, newly cast polyester, epoxy or urethane rubber may cause inhibition. Cure InhibitionĪddition cured silicone rubber may be inhibited by certain contaminants in or on the pattern to be molded resulting in tackiness at the pattern interface or a total lack of cure throughout the mold. These products have a limited shelf life and should be used as soon as possible. ![]() Storing material at warmer temperatures will also reduce the usable shelf life of unused material. Warmer temperatures will drastically reduce working time and cure time. Store and use material at room temperature (73☏/23☌). Latex gloves will inhibit the cure of the rubber. ![]() Wear safety glasses, long sleeves and rubber gloves to minimize contamination risk. Use in a properly ventilated area (“room size” ventilation). Note: This product will not cure against surfaces containing sulfur, even when sealed. Note: Mold Star™ rubbers are not intended for brush-on moldmaking. Cured Mold Star™ rubber is heat resistant up to 450☏ (232☌) and is suitable for casting low-temperature melt metal alloys. Molds made with Mold Star™ will last a long time in your mold library and are good for casting wax, gypsum, resins, concrete and other materials. Mold Star™ 30 – 1.95kg silicones cure to soft, strong rubbers which are tear resistant and exhibit very low long term shrinkage. Please check the box to acknowledge our return’s policy, by doing so you agree to our Return’s Policy of AMT Composites stated above. In the event that you are returning faulty or defective goods which were ordered as part of a larger order then the outbound delivery charge refund will be calculated based on the total postage cost of the original order (using standard service) minus the cost to send the items you are keeping (using standard service). If you are returning faulty or defective goods, then your outbound and return delivery costs will be refunded in full (for orders from within South Africa’s Local Area’s.) Refund of Delivery Charges (Faulty/Defective Goods) Due to the way that shipping costs are incremented, this will often result in no delivery charge refund being due.Īny goods found to be faulty or defective and notified to us within 7 days of delivery can be returned to us for a full refund. If you return only part of an order, then the outbound delivery charge refund will be calculated based on the total postage cost of the original order (using standard service) minus the cost to send the items you are keeping (using standard service). If you return an order in its entirety, then your outbound delivery charges will also be refunded (for orders within the South Africa’s Local Area’s. Refund of Delivery Charges (Cancelled Orders)
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