Certified Material Testing Products offers concrete capping products designed to assist in the compressive strength test of concrete specimens. The Bonded Cylinder Concrete Capping products meet the test requirements and methods of AASHTO T 231, ASTM C 287, ASTM C 617. The Melting Pots are perfect for preparing asphalt mixtures, compounds, wax, tars, as well as many other materials in the lab. Finally, the Unbonded Cylinder Capping system provides an economical and environmentally-friendly way of preparing concrete cylinders for compression testing.