Chemical Compatibility

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Chemicals Materials
Material

Ratings – Chemical Effect –
A – Excellent
B – Good: Minor Effect, slight corrosion, or discoloration.
C – Fair: Moderate Effect, not recommended for continuous use. Softening or loss of strength, and swelling may occur.
D – Severe Effect: Not recommended for any use.
N/A – Information not available

Explanation of Footnotes
1-Satisfactory to 72°F (22°C)
2-Satisfactory to 120°F (48°C)
3-Satisfactory > 120°F -Check with material manufacturer for specific temperature rating.

WARNING
The information in this chemical resistance chart has been supplied to Mid-West Instrument by other reputable sources and is to be used ONLY as a guide in selecting equipment for appropriate chemical compatibility. Before permanent installation, test the equipment with the chemicals and under the specific conditions of your application.

Ratings of chemical behavior listed in this chart apply at a 48-hr exposure period. Mid-West Instrument has no knowledge of possible effects beyond this period. Mid-West Instrument does not warrant (neither express nor implied) that the information in this chart is accurate or complete or that any material is suitable for any purpose.

DANGER
Variations in chemical behavior during handling due to factors such as temperature, pressure, and concentrations can cause equipment to fail, even though it passed an initial test.

SERIOUS INJURY MAY RESULT
Use suitable guards and/or personal protections when handling chemicals.

DISCLAIMER
Mid-West Instrument, its’ marketing companies and distributors, and the authors of and contributors to this chemical resistance chart specifically deny any warranty, expressed or implied, for the accuracy and/or reliability of the fitness for any particular use of information contained herein.

To the best of our knowledge the information contained in this chemical resistance chart is accurate, however, we do not assume any liability whatsoever for accuracy or completeness of such information. Moreover, there is a need to reduce human exposure to many materials to the lowest practical limits in view of possible long-term adverse effects. To the extent that any hazards may have been mentioned in this publication, we neither suggest nor guarantee that such hazards are the only ones which exist. Final determination of the suitability of any information or product for the use to be contemplated by the user, the manner of that use, and whether there is any infringement of patents is the sole responsibility of the user. We recommend that anyone intending to rely on any recommendation or to use any equipment, processing technique or material mentioned in this publication should satisfy himself as to such suitability and that he meets all applicable safety and health standards. We strongly recommend that users seek and adhere to manufacturer’s or supplier’s current instructions for handling each material they use.

Name Owner
Hastelloy-C® HAYNES INTERNATIONAL, INC.
Hypalon® DUPONT PERFORMANCE ELASTOMERS LLC
Hytrel® E. I. DU PONT DE NEMOURS & COMPANY
Kalrez® DUPONT PERFORMANCE ELASTOMERS LLC
Kel-F® 3M COMPANY
Noryl® SABIC GLOBAL TECHNOLOGIES B.V.
Ryton® CHEVRON PHILLIPS CHEMICAL COMPANY LP
Teflon® E. I. DU PONT DE NEMOURS AND COMPANY
Kynar® ARKEMA, INC.
Tygon® SAINT-GOBAIN PERFORMANCE PLASTICS CORPORATION
Viton® DUPONT PERFORMANCE ELASTOMERS LLC
Stellite® KENNAMETAL INC
Chemraz® GREENE TWEED
Skydrol ™ Eastman Corporation
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