| 配方類型： |
COATINGS |
| 配方說明： |
Asphalt Cutback Roof Coatings (Fibrated Aluminized) |
| 配方組成： |
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 |
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