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ASTM
D36, E28, D6493; IP 58; ISO 4625; DIN 52011; NF T 66008; EN
1427
ASTM D36
Standard Test Method for Softening Point of Bitumen
(Ring-and-Ball Apparatus)
ASTM E28 Standard Test Methods
for Softening Point of Resins Derived from Naval Stores by Ring-and-Ball
Apparatus
ASTM D6493 Standard Test Method for Softening Point
of Hydrocarbon Resins by Automated Ring and Ball
Apparatus
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