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SWR Institute
400 Admiral Blvd
Kansas City, MO 64106
816.472.7974
info@swrionline.org
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| Product Name: |
DOWSIL™ Contractors Weatherproofing Sealant (CWS) |
| Submitted by: |
Dow Silicones Corporation
2200 W. Salzburg Road
Midland, MI 48686
AHlinka@dow.com
dow.com/construction
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Test Results
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| ASTM C 719 |
Adhesion and Cohesion of Elastomeric Joint Sealants Under Cyclic Movement [Hockman Cycle]; Pass: Yes Extension: +35% Compression: -35% Substrate: Unprimed Glass, Unprimed Aluminum, Primed
Mortar [Mortar substrate was primed with DOWSIL™ Primer P]
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| Validation Date: |
6/30/2026 |
| Expiration Date: |
6/29/2031 |
| Lab Details: |
Interek
130 Derry Court
York, PA 17406
Phone: 717.764.7700
Fax: 717.764.4129 |
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