GRAY POWDER TECHNOLOGIES, INC.Expert solutions and unparalleled service from industry leaders. Expert solutions and unparalleled service from industry leaders. Click here to contact …

Raw Materials We work directly with cement producers to find out what chemistry requirements they have for their raw material needs. We offer both industrial by-products and naturally …

Lori Cook has been with Gray Powder for over 19 years and handles our raw material sales to the cement industry in Iowa, Illinois, Wisconsin and Minnesota. She also handles accounts …

Gray Powder Technologies Inc. was founded in 1995 by Lonnie Cook. Lonnie gained valuable experience working in the cement industry for thirty years and was instrumental in running one …

GPT manufactures a complete pack set apparatus for the cement industry. Our unit complies with the ASTM C 1565-03 Standard Test Method for Determination of Pack-Set Index of Portland …

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