Dimethicone is a silicone film former that can also be found in skin lotions, bath soaps and shampoos. Sometimes referred to as “silicone oil,” dimethicone is the most widely used silicone polymer and is particularly known for its ability to smoothly coat a surface and leave it protected, without being sticky. In products that are applied to the skin, dimethicone can also be used as an emollient that helps soften and smooth the skin. In household products, it creates a protective coating or shine on a surface. In our products to protect leather, it helps increase the gloss. Dimethicone also can be a moisturizer. As a moisturizer, it helps prevent a product or surface, like leather, from drying out by helping it retain moisture. This makes it softer and more pliable.
Polyurethane is a food-grade adhesive that we use to laminate two pieces of plastic together during the formation of a plastic bag. It is approved for use in products that come into direct contact with food. Polyurethane can withstand both heat and freezing. Check your product label for more information and rest assured that Ziploc® Brand products that are marked as "microwaveable" meet the safety requirements of the U.S. Food and Drug Administration (FDA) for temperatures associated with defrosting and reheating food in microwave ovens, as well as room, refrigerator, and freezer temperatures.