... 100%-400%. 3.Thickness: 10um-20um 4.food grade pvc film High Quality PVC food wrap film ApplicationSupermarkets, catering, hotel, airline, ... specificationCharacteristic1. Use: suitable for the refrigerator ,keep the food,fruits and vegetables freshness.2. Pre-stretch rate: ... any time.According to customer requirements,undertake various aluminum processing operations, To undertake all kinds of plastic ...