5.4. PRO-GRADE 988 SILICONE ROOF PRODUCTS Primary Roof Coating: Solvent free one-component moisture curing silicone rubber roof coating; having the following properties: b. Basis of design: Pro-Grade® 988 Silicone Roof Coating c. Color: Bright White d. Standard Test Method for Determining Water Migration Resistance Through Roof Membranes (ASTM D7281): Pass (>/= 22 dry mils) e. Solids Content: By volume (ASTM D2697): 92 +/-3% f. Flash Point (ASTM D93): 140.9 degrees F (60.5 degrees C) g. Tack-Free Time at 75 degrees F (24 degrees C): Approximately 1-2 hours h. Volatile Organic Content (VOC) (ASTM D3960/EPA Method 24): 10g/l max. i. Durometer Hardness, Shore A (ASTM D2240): 42 Shore A j. Tensile Strength, die C (ASTM D412): 320psi k. Elongation (ASTM D412): 170% l. Permeability (ASTM E96): 4.6 perms m. Initial Solar Reflectance (ASTM C1549): White roof coating: .88 n. Solar Reflective Index (SRI): 111 o. QUV, 5,000 hours (ASTM G154): No degradation p. Water Absorption (ASTM D471): 0.0005% Base Coat: Solvent free one-component moisture curing silicone rubber roof coating; having the following properties: a. Basis of design: Pro-Grade® 988 Silicone Roof Coating b. Color: Bright White, Tan or Gray c. Standard Test Method for Determining Water Migration Resistance Through Roof Membranes (ASTM D7281): Pass (>/= 22 dry mils) d. Solids Content: By volume (ASTM D2697): 92 +/-3% e. Flash Point (ASTM D93): 140.9 degrees F (60.5 degrees C) f. Tack-Free Time at 75 degrees F (24 degrees C): Approximately 1-2 hours g. Volatile Organic Content (VOC) (ASTM D3960/EPA Method 24): 10g/l max. h. Durometer Hardness, Shore A (ASTM D2240): 42 Shore A i. Tensile Strength, die C (ASTM D412): 320psi j. Elongation (ASTM D412): 170% k. Permeability (ASTM E96): 4.6 perms l. Initial Solar Reflectance (ASTM C1549): White roof coating: .88 m. Solar Reflective Index (SRI): 111 n. QUV, 5,000 hours (ASTM G154): No degradation o. Water Absorption (ASTM D471): 0.0005% p. Assembly Auxiliary Materials: q. Stain Blocking Primer: r. Water based acrylic latex elastomeric roof coating; having the following properties: s. Basis of design: Pro-Grade® 294 Base Coat and Sealer t. Color: grey u. Elongation (Initial) (ASTM D2370): >400% v. Flash Point (ASTM D3278): Non-flammable w. Volatile Organic Content (VOC) (ASTM D3960/EPA Method 24): 50 g/l max x. Solids Content by Volume: 51-55% y. Tensile Strength Film (ASTM D2370): >150 psi Primer: Single-coat adhesive designed for bonding un-vulcanized silicone elastomers to various substrates; having the following properties: a. Basis of design: Pro-Grade® 941 Primer b. Color: Clear to hazy yellow c. Solids Content by Weight: 2-3% d. Flash Point (ASTM D93): 54 degrees F (12 degrees C)
