Complies Standards:
- ASTM C40, AASHTO T21
Applications:
- Determines presence of injurious organic compounds in sands used in cement mortar or concrete.
Details:
- Organic Impurities Color Reference Disk comes with five permanent, fade-free solid-glass reference colors of 5, 8, 11, 14, and 16 on the Gardner color scale mounted in a protective plastic frame.

