Butyl Tape: 3/16″ x 5/8″ (30′ rolls – 750′ per box)
Composition: Butyl rubber, resins, inert pigments
Odor: Nil – will not contaminate sweet butter
Color: Gray – ASTM-D1729-69
Weight Per Gallon: 12 to 13 pounds – ASTM-D71-72
Percent Solids: Theoretical 90% – ASTM-C771-74
Percent Shrinkage: 15% Maximum
Low Temperature Flexibility: No cracking, separation or loss of adhesion of a ( )” diameter bead on galvanized steel when bent at 60°F over a 1/2″ mandrel. ASTM-C-711-72 ASTM-C763-73
Adhesion: Adheres to oily metal surfaces, painted and unpainted galvanized steel or aluminum. Test per AAMA 809.2 1976, paragraph 4.1.
Moisture Vapor Transmission (MVT): Less than 1.0 gram per day per M2, 20 mil, ASTM-E-96.
Slump: Maximum slump of 3/16″ at 210°F ASTM-D-2202.
Bubble Formation: Will not exceed 25% of surface after 72 hours at 160°F.