Organic Impurities Color Reference Chart is used in estimating the presence of organic compounds in fine aggregates in accordance with ASTM and AASHTO requirements. The chart has five permanent, fade-free solid-glass reference colors of 8, 11, 14, 16, and 18 on the Gardner color scale mounted in a sturdy protective plastic case. It is available individually or as part of the Organic Impurities Test Set.
Features:
- Meets ASTM and AASHTO requirements
- Contains five permanent reference colors
Included Items:
- Organic Impurities Color Reference Chart
