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SWR Institute
400 Admiral Blvd
Kansas City, MO 64106

Product Name: Chem-Calk 955-SL One-Component, Self-Leveling, Polyurethane Commercial Grade Sealant
Submitted by: Bostik
11320 Watertown Plank Road
Wauwatosa, WI 53226-3413

Test Results
ASTM C719 Pass: Yes Extension: +35% Compression: -35% Substrate: Unprimed Wood, Anodized Aluminum, Primed Concrete, Unprimed Steal substrates [Concrete substrates were primed with Prime Coat A18800 Primer.]
ASTM C661 Test Method for Indentation Hardness of Elastomeric - Type Sealants by Means of Durometer Hardness Rating: 32
Validation Date: 11/12/2012
Expiration Date: 11/11/2017
Lab Details: Architectural Testing
130 Derry Court
York,  PA 17406-8405
Phone: 717-764-7700
Fax: 717-764-4129