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![David.Sundin](https://data3.answerbase.com/answerbase/11365/UserFiles/User2348549/profileImage2348549.jpg?637090785480000000)
Jul 21, 2023 - 06:51 AM
There are many different chemistries of polypropylene; some are better than others. The only way to be sure about the fittings is to test them. You can review all previously tested materials at https://www.engineeredfluids.com/our-... If you'd like for Engineered Fluids to test a particular part, please contact us at support@engineeredfluids.com .
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