Global Supplier For ASTM D-24
Standard Reference Carbon Black
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SRB9 E has been depleted.  SRB 9 E2 is the ASTM approved replacement.

Balentine Enterprises, Inc. dba Laboratory Standards and Technologies, markets the ASTM certified IRB9 and Standard Reference Blacks (SRB's) for the Carbon Black and Rubber Industries.  We also supply other ASTM certified products like HNSA Black, Epoxidized Soybean Oil (Greenflex 7170) P66 White Oil 80/90 and Zinc Oxide, for Tint Testing.

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mark.derouen@carbonstandard.com

carbonblack.lab.standards.@gmail.com

806 273 3006 Office

409 284 9972 Cell