Plastics

From plastic cutlery to plastic car parts, all successful plastic production lines and recycling plants have one thing in common: a high-quality filtration medium designed to remove contaminants from raw or recycled polymers. Failure to implement a reliable plastic extrusion process often results in product imperfections and, in some cases, product failure.

Extruder screens can consist of one layer of wire mesh or multiple layers. A single-layer is used when virgin material with few impurities is being processed.

Multi-layer screens are used when reground or recycled material is being used or when absolute cleanliness is a must. There is typically a more coarse protection layer that the melted polymer first comes in contact with. This protects the finer filtration layer or layers from debris damage, pressure, or the swirling motion of the plastic melt. Another coarse layer faces the breaker plate to support and protect the finer mesh layer from being pushed into the breaker plate holes.

Applications

• Production of plastic
• Plastics processing and extrusion
• Recycling of plastic