Suzhou Mingrise Materials Technology Co., Ltd.
TPS-TOPFINE®R8220 Microporous Precision Machining Composite Material
Ultra-precise machinability, high toughness
When performing precision micro-machining on general-purpose engineering plastic profiles, problems such as burrs can occur. To address this issue, we developed TPS-TOPFINE®R1000, a product primarily made from PPS, which offers improved dimensional stability and enhanced machinability and hole-drilling capabilities. However, to meet customers' demands for further improved machinability, we developed a new product using PEI as the main raw material, ultimately creating TPS-TOPFINE®R8220, which offers comparable hole-drilling performance to TPS-TOPFINE®R1000 while also providing improved toughness.
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TPS-TOPFINE<sup>®</sup>R8220 Microporous Precision Machining Composite Material
Key Features
  • PEI is used as the main raw material, which improves the toughness significantly.
  • Excellent machinability with minimal burrs after micro-hole machining.
  • Available in dimensions of 3~15mm (thickness) and 300*300mm (size).
Application Areas
Trays for handling IC parts and precision parts, inspection jigs, trays for handling semiconductor device parts, inspection fixtures, rollers for handling devices, parts in clean rooms
Product Lineup
TOPFINE®R8220

[Unit: mm]

Sheet Thickness Width Length
3~15 300 300
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