The purpose of the filter disc is to filter out the mechanical impurities, gel, coke and other contaminants in the melt and balance the pressure difference. Filter discs play a key role in the stable operation of film production lines and the production of high-quality products. Its structure is composed of two layers of stainless steel fiber sintered felt, two layers of perforated plates and a supporting distribution net (woven mesh or TP plate), which is a double-sided symmetrical composite structure.

The Half-welded type filter disc is composed of perforated plate, woven mesh and stainless steel fiber sintered felt, and the Star gasket and the disc are welded together. 

Material: stainless steel 304 or 316L. Size and precision can be made according to customer requirements.