Customized industrial plastic parts explain transparency issues

 

Common plasticizer DEHP replaces clouding agents made from palm oil, and can also produce thickening effects similar to emulsifiers. However, plasticizers such as DEHP and DINP are not classified as food flavoring raw materials.

Therefore, DEHP cannot be added to food, and is not even allowed to be used in food packaging. The main factors affecting transparency of plasticizers: Refractive index: If it is the same or similar to the visible light refractive index of the resin of 1.52~1.55, the transparency of customized Industrial plastic parts will be better, otherwise the transparency will be lower. The linear length of molecules or molecular groups is less than the visible light wavelength of 400~735nm, the refractive index is lower, the transparency is higher, otherwise the transparency is lower.

The so-called compatibility refers to the mutual affinity of two or more substances when they are mixed. Good compatibility means that it is possible to achieve molecular-level dispersion. The heat stabilizer has good compatibility with the resin in the molten state and does not form two phases, that is, there is no interface or the interface is not obvious, the refracted light is less, and the transparency of customized industrial plastic parts is higher.