PP material is waterproof and is widely used in industry and medical treatment; its cost is also very low, and it is a very favorable material; and it has corrosion resistance, many chemicals will not react with PP, and it is suitable for processing such Plastic trays and containers for chemicals.
Multaj el niaj plastaj pakaj materialoj elektas PP pro ĝia kemia rezisto, akvorezisto, izolado, lacecrezisto kaj recikleblo