How much calcium carbonate can be added to the PP material,when producing plastic boxes?
30% calcium carbonate （Caco3）can be added to the PP material,when producing plastic boxes. General plastic products can be filled with 10-50% calcium carbonate. If the particle size is well controlled, the surface treatment is appropriate, and the product requirements are not high, there are also cases where the filling exceeds 50%. Of course, if it […]
How to choose the raw materials of plastic baskets/crate?
There are three kinds of conventional raw materials for plastic baskets/crate on the market: HDPE, PP and Modified Plastics. 1.HDPE High density polyethylene (HDPE) is a white powder or granular product. Non toxic and tasteless; The hardness, tensile strength and creep are superior to each other; Good wear resistance, electrical insulation, toughness and cold resistance; […]
