Extruded polyimide in bar, block, sheet, and tube form for use in manufacturing

[ Sintered plastic parts for textile machinery, namely, bearings and sliding elements being sliding rails, rollers, chain guides, slipper blocks, bushings, valve seats, friction rings, piston guides for textile machinery; machine parts, namely, bearings for transportation apparatus in textile washing machines; sintered plastic parts for manufacturing machinery in the field of the semiconductor industry, namely, test site holders, wafer pick-up tips, wafer supports for plasma etching apparatus...