Material Selection Guide

Medical Fluorocarbon (Viton)

ASTM D1418 Designation: FKM

ASTM D2000/SAE Type, Class: HK

Apple Compound Designation: 32VT7EE

Standard Color: White

Description: Combining high temperature resistance with outstanding chemical resistance, Fluorocarbon-based compounds approach the ideal for a universal o-ring material.

Temperature Range: -13° to +446°F

Hardness (Shore A): 70

Features: High resistance to most chemicals used in cleaning medical products. No processing oil used so limits contamination from solvent extraction. Low outgassing due to post-curing process. No phthalates used in formula.

Testing: USP Class VI

Limitations: Fluorocarbons (Vitons) are not recommended for exposure to ketones, amines, low molecular weight esters and ethers. Steam sterilization can degrade surface of the compound.

 


 

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