Engineered Gasketing Products

Chemical Resistance of Garlock Compressed Sheet and GYLON ®Garlock Style NumberGYLON ®Medium 3504 3535 IFG 55003565 3510 3540 G-9900 2900 14 3200 2930 IFG 55073500 3594 3591 3560 3561 3545 3530 9850 9800 ST-706 3000 3400 3300 3700Refined A A A A A A A A B A A 12 B B CPhenol A A A A A A A C C C C C C Bp-Phenylenediamine A A A A A A A C C C C C – –Phosgene A A A B B A A C – C C – – BPhosphate Esters A A A A A A A C C C C C C BPhosphine A A A A A A A – – – – – – –Phosphoric Acid, Crude C C A C B A A C C C C C C CPure, Less than 45% A A A A A A A C C C C C C CPure, Above 45%, 150°F and below B B A B B A A C C C C C C CPure, Above 45%, Above 150°F C B A C B A A C C C C C – –Phosphorus, Elemental A A A A A A A C C C C C C CPhosphorus Pentachloride A A A B B A A C C C C C C CPhthalic Acid A A A A A A A C – C C – B –Phthalic Anhydride A A A A A A A C – C C – C BPicric Acid, Molten – – – – – – – – – – – – – –Water Solution A A A A A A A B B B B B B BPinene A A A A A A A A C A A C B CPiperidine A A A A A A A C C C C C C CPolyacrylonitrile A A A A A A A A A A A A A APolychlorinated Biphenyls A A A A A A A C C C C C C CPotash, Potassium Carbonate A A A A A A A A A A A A A APotassium Acetate A A A A A A A A A A A A A APotassium Bichromate A A A A A A C A B A A B B APotassium Chromate, Red A A A A A A C A B A A B B APotassium Cyanide A A A A A A A A A A A A A APotassium Dichromate A A A A A A C A B A A B B APotassium, Elemental C C C C C C C C C C C C C CPotassium Hydroxide C B A 6 C A 6 A 11 A 6 C C C C C C CPotassium Nitrate A A A A A A – B B B B B B BPotassium Permanganate A A A A A A – B – B B – B BPotassium Sulfate A A A A A A A A A A A A A AProducer Gas A A A A A A A A C B A C B CPropane A A A A A A A A C B A 12 C B C1,3-Propane Sultone A A A – – A A – – – – – – –Beta-Propiolactone A A A A A A A C C C C C C BPropionaldehyde A A A A A A A C C C C C – –Propoxur (Baygon) A A A A A A A C C C C C – –Propyl Alcohol A A A A A A A A A A A 12 A 12 A 12 A 12Propyl Nitrate A A A A A A A C C C C C C CPropylene A A A A A A A C C C C C C CPropylene Dichloride A A A A A A A C C C C C C CPropylene Glycol A A A A A A A A A A A A - APropylene Oxide A A A A A A A C C C C C C B1,2-Propylenimine – – A – – A A C C C C C C CPrussic Acid, Hydrocyanic Acid A A A A A A A A B A A B B APyridine A A A B B A A C C C C C C BQuinoline A A A B B A A C C C C C C CQuinone A A A A A A – – – – – – – –RefrigerantsSee Specific Ratings on Next PageCall Gasket Applications Engineering at 1-800-448-6688 for specific recommendations.WARNING:Properties/applications shown throughout this brochure are typical. Your specific applicationshould not be undertaken without independent study and evaluation for suitability. Forspecific application recommendations consult Garlock. Failure to select the proper sealingproducts could result in property damage and/or serious personal injury.C-34Performance data published in this brochure has been developed from field testing, customerfield reports and/or in-house testing.While the utmost care has been used in compiling this brochure, we assume no responsibilityfor errors. Specifications subject to change without notice. This edition cancels allprevious issues.