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Chemical Resistance of High Performance Polymers

Glass Expansion products are made from High Performance Polymers. Below is a quick chemical compatibility reference table for most commonly used chemicals.

Chemical Compound PTFE PVDF PSU PPSU PPS PPA LCP PEEK PI PAI PBI PEI
Acid, diluted + + (+) (+) + (+) + + (±) + ± +
Acid, concentrated + + ± ± + (+) (+) (+) (±) + - +
Bases, diluted + + + + + + + + - ± ± +
Bases, concentrated + ± (+) (+) (+) + (+) + - - - -
Hydrocarbons, aromatic + (+) - (±) + + + + + + + -
Hydrocarbons, aliphatic + (+) + + + + + + + + + +
Esters and Ketones + + - - + (+) + + + + + (±)
Ethers + + ± ± + (+) + + + + + +
Solvents, chloride based + + ± - ± (+) + + + + + (±)
Alcohols + + ± ± + + + + ± + + +

+: resistant; (+): partially resistant; ±: conditionally resistant; (±): partially not resistant; -: not resistant