Vespel® SP By DuPont - Vespel® SP polyimide shapes (Vespel Sheet and Vespel Rods) manufactured by DuPont are offered from Professional Plastics' 21 Locations in the USA, Singapore & Taiwan. We supply all Vespel SP grades in Sheets, Rods and finished Parts.
Dupont Vespel® polyimide is available in five standard grades:
Vespel® SP-1 - Unfilled. Maximum strength & elongation: lowest modulus & thermal conductivity: optimum electrical.
Vespel® SP-21 - 15% graphite (by weight). Enhances inherent wear resistance, improves long term thermal stability.
Vespel® SP-22 - 40% graphite (by weight). Gives low coefficient of thermal expansion. Maximum creep resistance.
Vespel® SP-211 - 15% graphite and 10% TEFLON® fluorocarbon resin (by weight). Lowest static friction.
Vespel® SP-3 - 15% MoS2 (by weight). Best wear performance in dry environments.
PI material (chemical name is polyimide), its standard semi-finished products include three forms of plate, bar and tube, all of which can be used for machining. In addition to the production of semi-finished profiles by compression molding, the direct molding process can also be used to mass-produce finished components, which is cost-effective.
PI plastic is a non-melting high temperature plastic. It still has high strength, excellent dimensional stability and creep resistance above 260°C. It has low wear rate, high pV rate and can work under unlubricated conditions, so it is an ideal material for challenging friction and wear applications, which can significantly extend the service life of the application and reduce maintenance costs. High purity and low gas permeability also make it very suitable for vacuum, aviation and semiconductor industry applications.
HONY Offer :
Polyimide rod
Polyimide sheet
Polyimide pipe
Parts processed according to drawings
High-volume series parts produced using the direct molding process
Feature
Non-melting high temperature polyimide
Long-term thermal stability at 300℃ for long-term use
(Short-term up to 400℃)
High heat resistance, up to 470°C (HDT/A)
Good low temperature performance, as low as -270℃
High strength, high modulus and high rigidity above 260℃
Excellent thermal and electrical insulation
High purity and low gas permeability under vacuum conditions
Good machinability
Inherent flame retardancy
Application
Pump seat, seal and friction surface
Structural parts and wear parts, used in semiconductor and electronics manufacturing industries
Jigs and operating parts for glass and plastic manufacturing
Replace metal, used as aerospace parts-light weight, free of lubrication
Vespel Sp-1 Pi Plastic Sheet,Pi Polyimide Rod Sheet,Polyimide Block Pi Sheet Rod,Polyimide Sheets Pi Hony Engineering Plastics Co.,Ltd. , https://www.honyplastic.com
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