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SWR Institute
400 Admiral Blvd
Kansas City, MO 64106

Product Name: Chem-Calk 915
Submitted by: Bostik
701 Veterans Circle
Warminster, PA 18974

Test Results
ASTM C719 Adhesion and Cohesion of Elastomeric Joint Sealants
Under Cyclic Movement [Hockman Cycle];
Pass: Yes Extension: +25% Compression: -25% Substrate: Glass, Aluminum, Concrete [Concrete substrates primed with Prime Coat L Primer.]
ASTM C661 Test Method for Indentation Hardness of Elastomeric - Type Sealants by Means of Durometer Hardness Rating: 35
Validation Date: 2/22/2012
Expiration Date: 2/21/2019
Lab Details: PRI Construction Materials Technologies LLC
6408 Badger Drive
Tampa,  FL 33610
Phone: 813.621.5777
Fax: 813.621.5840