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Premium Grade NR/SBR Washer

Premium Grade NR/SBR Washer

Metroseal

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PROPERTIES TEST METHOD VALUES FPS UNITS TEST METHOD VALUES METRIC UNITS SPECIFIC GRAVITY DIN 53508 1.35±0.05 ASTM D297 1.35±0.05 HARDNESS DIN 53505 40 ± 5 SH A ASTM D2240 40 ± 5 SH A TENSILE STRENGTH ( MIN ) DIN 53504 713 PSI ASTM D412 40 KG/CM2 ELONGATION AT BREAK ( MIN ) DIN 53504 250% ASTM D412 250% COMPRESSION SET (70ºC/24 HRS/25% COMPRESSION) (MAX) DIN 53517 40% ASTM D395 METHOD B 40% TEAR RESISTANCE ( ANGULAR ) MIN DIN 53515 112 LBS/INCH ASTM D624 20 KG/CM CHANGE IN PROPERTIES AFTER HEAT AGEING FOR ( 72 HRS. AT 70 ºC ) ASTM D573 — HARDNESS (PTS) + 5 (MAX) + 5 (MAX) — TENSILE STRENGTH (%)

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The part other shops don't tell you. Three separate questions, kept separate on purpose, each with its source.