Disclaimer: The above estimated calculations do not include loss of material to formation, washouts, improper mixing, etc. Thermal Conductivity values will vary depending on testing method and the quality of sand used. Thermal conductivity values are based on ASTM D-5334 procedures. Testing performed by the CETCO Laboratory uses the D-5334 method. All products are sold on the understanding that the user is solely responsible for determining their suitability for the intended use and for proper use and disposal of the product(s). CETCO MAKES NO WARRANTY OF MERCHANTABILITY OR SUITABILITY FOR ANY PARTICULAR PURPOSE IN CONNECTION WITH ANY SALE OR APPLICATION OF THE PRODUCTS DESCRIBED HEREIN.