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O-Ring Material Selection Guide

  • Standard CompoundSpecial Compound

Rubber compounds are a mixture of polymers, fillers, anti-oxitives and curatives. Various combinations can improve specific properties. Special compounds can be made to broaden temperature range or improve fluid resistance. These may add to lead time, but can lead to better application performance.

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Medical Fluorocarbon

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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Video: 5 Things You Need to Know to Avoid Automated Assembly Issues

Video: 5 Things You Need to Know to Avoid Automated Assembly Issues

Recognizing seal feedability problems during the production process often occurs too late for a simple solution. That’s why we created a video that outlines exactly what you need to be on the lookout for.

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This tool is meant to be used as a professional guide only. Because no two situations or installations are the same, these comments, suggestions, and recommendations are necessarily general and should not be relied upon by any purchaser without independent verification based on the particular installation or use. We strongly recommend that the seal you select be rigorously tested in the actual application prior to production use.

Questions?

*Please use our quick form for all Sample Request, Request for Quote or Engineering Requests.