Astm D2240 Hardness Test Pdf
Shore Hardness ASTM D-2240 Shore hardness is a relative measure of exactly what the term implies hardness. 31 This test method permits hardness measurements based on either initial indentation or indentation after a speciļ¬ed period of time or both. Astm D2240 15e1 Standard Test Method For Rubber Property Durometer Hardness Original Physical Properties ASTM D1414 D2240 D297 Shore A hardness 75 - 5 79 Tensile strength min psi 1600 2458 Ultimate elongation min 120 205 Specific Gravity As determined 178 Low Temperature Retraction D1329 TR-10 max F -20 -24. . Property ASTM Method Value or Rating Durometer Hardness D2240-91 50 Shore A15 Sec Color Translucent Tensile Strength D412-92 1450 10 psi MPa Ultimate Elongation D412-92 770 Tear Resistance D624-91 200 35 lb-finch kNm Die B Specific Gravity D792-91 114 Water Absorption D570-81 011 24 hrs. Test method ASTM D1002 and is approximately 160F71C. Cure 72 hours 77F25C Tested 77F25C Tensile Strengt...