38 to 46 Preform is one of these materials and has certain qualities. Transparency, lightweight, high strength, ideal creep qualities, little taste absorption, strong chemical resistance, beautiful look, easier access, and low cost are a few of these characteristics. One kind of polyester is PET. Our provided 38 to 46 Preform has the ability to keep air out and preserve the food for a longer time. It is sufficient to heat the body of the Preform to around 100 degrees Celsius before inserting it into the mold.