Deutsches Referenzburo fur Ringversuche und Referenzmaterialien GmbH (DRRR GmbH)
Kempten, DE
ASTM D3574, Compression stress value foams ISO 3386-1 / DBL 5452, Barcol hardness EN 59 / ASTM D2583 Rubber At least once a year Hardness Hardness Shore A, ISO 868 / ISO 7619 / ISO 48, Hardness Shore A ASTM D2240, IRHD-Hardn