5 x PEEK M6x20mm Nuts & Bolts screws anti corrosion, chemical resistant plastic

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Offers hydrolysis resistance to steam, water, and sea water. PEEK has the ability to maintain stiffness at high temperatures and is suitable for continuous use at temperatures up to 338oF (170oC). This engineering plastic has a proven track record in challenging environments such as aerospace, oil and gas, and semiconductor. Check: PEEK Brief introduction and characteristics Polyether ether ketone resin ( referred to as PEEK resin) is 4 , 4 ' - difluorobenzophenone and hydroquinone in the presence of alkali metal carbonate, diphenyl sulfone as solvent for condensation A novel semi - crystalline aromatic thermoplastic engineering plastics. It is resistant to high temperature thermoplastics and has a high glass transition temperature ( 143 ° C ) and a melting point ( 334 ° C ). The heat load temperature is as high as 316 ° C ( 30% glass fiber or carbon fiber reinforced grades ) and can be used at 250 ° C for a long time Use, and other high temperature plastic such as PI , PPS , PTFE , PPO, etc., compared to the upper temperature limit of nearly 50 ?.