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No New Posts L@@K-PRINT THIS OUT-Chemical/Material Compatibility CHART-Important Reference TOOL! (Preview) Certified Roof Cleaning - Chemicals 9 2103
 
I have researched this for the NEWBIE and VETERAN roof cleaner alike, so, it will be easier for you to compare hose, wands,fittings,o-rings,ball valves, nozzles, pump small parts, tank materials, hose clamps, etc. SAFETY FIRST! Know your material and chemical compatibility. It will cut down on l...
       
No New Posts Hytrel- Is it SH Compatible? (Preview) Certified Roof Cleaning - Chemicals 6 1402
 
Im looking at this Yamada pump that I can get for cheap.  The diaphragn materials are Hytrel.  A chemical compatibility chart gives Hytrel a grade of "D" with SH @ 100%.  Yet it gives a grade of "A" with SH @ >20%.  What is our mix rated at as far as percentage of SH?  Can Hytrel...
       
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