Elastomer Research Testing B.V. (ERT)
DEVENTER, NL
ISO 48-4, ASTM D2240-15 DE 3 Determination of indentation hardness by durometer method (Shore D) Workinstruction ERT615 ISO 48-4, ASTM D2240-15 DE 4 Determination of tear strength, using a Crescent test piece Workinstruction ERT6