配方类型:

COATINGS

配方说明:

Asphalt Cutback Roof Coatings (Fibrated Aluminized)

配方组成:

Talc (16-micron average size)/5.5
Bentone SD-1/0.5
Pulpex E-DH/1.5
Aluminum Paste (coarse grade)/22.0
Talc (5-micron average size)/5.5
Asphalt Solvent Cutback (65% solids)/64.0
Syloid AL-1/1.0

配制方法:

Add Bentone SD-1 slowly to asphalt cutback and stir for 10 min. Add Syloid AL-1 stabilizer and mix until well dispersed, about 2 min. Add Pulpex E-DH and mix for 20 min; then add two grades of talc and mix for 5 min. Aluminum paste is added last and mixed in only another 5 min. Do not overmix paste.
Physical Properties: Reflectance (3 days, 96 F, 100% r.h.)---54% Visc. (Brookfield, #7 spindle, 20 rpm, 73 F)---54,000 cps