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Capping Compound

Capping Compounds are quick-melting sulfur-based materials used in concrete strength testing to ensure even compressive load distribution. Choose from ingot or flake-style compounds that meet ASTM and AASHTO standards for testing cylinders and other concrete specimens.

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Gilson Gray Iron 9000 Capping Compound

Gilson Gray Iron 9000 Capping Compound

Starting From $54.50

Vitrobond Ingot, Capping Compound

Vitrobond Ingot, Capping Compound

Starting From $100.00

Capping Compounds

Gilson Gray Iron 9000 Capping Compound is a sulfur mortar compound used in concrete strength testing to help ensure even load distribution. Compressive strength is in excess of 8,000psi at two hours. Offers fast set time.
Vitrobond Ingot Capping Compound is a carbon-filled compound that offers consistent results. Its compressive strength is in excess of 5,000psi at two hours and increases to 7,000psi at seven days. Handles and stores easily.

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