Smooth-On Smooth-Cast 300 Liquid Plastic Compound Smooth-Cast 300 Casting Resin PRODUCT DETAILS: Smooth Cast 300 is a liquid plastic ,ultra-low viscosity casting resin that yields castings that are bright white and virtually bubble-free. Vacuum degassing is not necessary. It offers the convenience of a one to one mix ratio (by volume). 3 minute pot life: 10 minute demold time: Mixed viscosity 80 cps: 70D shore hardness Fully cured castings are tough, durable, machinable and paintable. Read MSDS before use – Adult Supervision Required. Keep Out of the Reach of Children – for more information visit Features: Ultra-low viscosity casting resin with bright white color Vacuum degassing is not necessary to yield castings that are virtually bubble free. Pot Life: 3 minutes; Cure Time: 10 minutes Shore 70D Mix Ratio: 1A: 1B by Volume PAYMENT SHIPPING RETURNS We only accept payment through PayPal. This is to ensure that all of our buyers qualify for eBay Buyer Protection. Most orders are shipped within 1-2 business days with standard shipping and tracking. A tracking number will be posted as soon as the item has shipped. Please make sure to provide the correct shipping address during checkout as the address cannot be changed afterwards. We are not responsible for any incorrect or undeliverable addresses. We do not ship to PO/APO Boxes. We offer easy returns on most items within 30 days of delivery for a full refund.