O-Ring Handbook — The O-Ring Store
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Pharmaceuticals

Clear beaker of pale amber aqueous PABA solution with a small black O-Ring beside it, pharmaceutical intermediate lab softly blurred in the background

Para-Aminobenzoic Acid O-Ring Compatibility: Which Compounds Hold Up

Para-aminobenzoic acid (PABA) O-Ring guide for pharmaceutical and dye intermediates: chart ratings, which elastomers to use, and which to avoid.

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