Multilayer pleated depth filters with a nonwoven polypropylene membrane are suitable for prefiltering flat panel display wet processing or electronic parts plating processes.

• Surface and depth filter design delivers superior particle and gel holding capability and ensures longer life over non depth filters
• Polypropylene supports provide clean and durable performance
• Thermoplastic bonding with no adhesives ensures superior downstream cleanliness
• Provides superior retention of colloids and particles ensuring low particle counts
• Available in various configurations allows for use with most available housings

ProcessGard® NP Filter Applications

• Thin-film transistor LCD: wet etching, stripping, developer, and cleaning
• Color filter: wet etching, developer, stripping, and cleaning
• Twisted pneumatic/Super twisted pneumatic: LCDs: wet etching, stripping, developer, and cleaning