Chemigum P83 elastomeric modifier is for plasticized PVC, which improves mechanical properties and melt processing. It helps the end use application to resist abrasion, flex-fatigue, chemicals, oils and fuels.
The three R's for nutrient preservation are to reduce the amount of water used in cooking, reduce the cooking time and reduce the surface area of the food that is exposed. Waterless cooking, pressure cooking, steaming, stir-frying and microwaving are least destructive of nutrients. Frozen vegetables can be steamed.
Popular methods of preserving food include freezing, canning, dehydrating and salting. These preservation methods inhibit the growth of bacteria by either eliminating moisture from foods or removing the oxygen that harmful bacteria needs to survive and thrive, according to About.com's Bethany Moncel.