Where can I find Chemical Compatibility information?
Regardless of where you find chemical compatibility information it is to be used as a guide only! It is the sole responsibility of the system designer / end user to determine the suitability of the product for the specific application. In many cases the best resource is the manufacturer of the chemical, they are in a position to provide the most qualified advice on materials that are suitable to be used to transfer the fluid / chemical solution they produce, ,they have extensive practical experience regarding the types of valves and fitting, storage tanks and packaging containers they use to transfer, store and package the chemical in their facilities..
Boshart can provide the component materials used in the manufacture of a given product and direct you to resources that provide guidance on chemical compatibility for most of those materials, however we are not able to provide qualified information regarding the suitability, safety of, or the life expectancy of the product when used with various chemicals.
Boshart Industries does not accept any liability for information provided as there are numerous variables that can affect performance such as temperature, environment, and variations in chemical composition.
When looking into chemical compatibility one must look at all the components which have wetted surfaces (come into contact with fluid being transferred. For example, a ball valve will have several components to investigate, the valve body, ball, seats, stem, stem packing. For check and foot valves typical components are the valve body, poppet disc, stem or guide, guide bushing & seal. It is important that all components are evaluated. It is not as simple as looking at the main component material. In many cases field testing in the intended application will be the only way to determine if a product will stand up and meet your expectation, variations in temperature, pressure, and concentration levels will affect the performance and can cause a valve or fitting to fail, even though it passed an initial test.
There are many useful resources on-line for Chemical Compatibility information, make sure to take note of the warnings and cautions regarding the chemical compatibility information, all the resources listed below are to be used a guide only!
One site that is especially useful is the Chemical Compatibility Database by Cole-Parmer an Antyia Scientific Company. You can do compatibility searches by either Chemical to Material or Chemical to Chemical https://www.coleparmer.com/Chemical-Resistance
Cole-Parmer Disclaimer / Warnings
WARNING: The information in this chart has been supplied to Cole-Parmer 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. Cole-Parmer has no knowledge of possible effects beyond this period. Cole-Parmer 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
Article: “Buna, EPDM, Or Viton Selection Guide” by Flomatic Valves to be a useful resource https://www.flomatic.com/news/buna-epdm-viton-in-valves-selection-guide/
Seals / Valve Trim:
Seals / Valve Trim & Metallic Materials:
LDPE (low density polyethylene):
Polyetherether Ketone (PEEK)
P.T.F.E. (Polytetrafluoroethylene) also known as Teflon® a Trademark of Dupont
PVC (Polyvinyl chloride):
Viton® a Trademark of Dupont (Fluoropolymer Elastomer)