配方类型: |
COATINGS |
配方说明: |
Polyurethane Topcoat for Plastics (Two-Component) |
配方组成: |
Methyl Ethyl Ketone/47.20 "Modaflow" (10% in "Dowanol" PMA)/2.75 "Desmorapid" PP (10% in "Dowanol" PMA)/5.50 Vinyl Resin Solution/157.32 "Chlorothene" SM/272.02 B: "Desmodur" L-2291/86.52 "Dowanol" PMA/39.33 "Chlorothene" SM/62.24 "Chlorothene" SM/39.33 VAGH/31.46 A: "Desmophen" 1300/200.45 "UCD"-4756V White/305.02 |
配制方法: |
Combine Parts A and B prior to use. May be reduced with "Chlorothene" SM to desired spray viscosity. Solids (by wt.)---45% Solids (by vol.)---37% Visc. (#2 Zahn)---30-35 s Visc. (#2 Zahn) reduced with 20 gal "Chlorothene" SM---20-25 s NCO/OH---1.1 Pot Life--->2 h P/B---0.68 lb VOC/gal---3.5 Dry-to-Handle---Overnight Leveling---Good Pencil Hardness "Bonderite" 40 steel---B "Lexan" polycarbonate---B Cross-Hatch Adhesion "Bonderite" 40 steel---100% "Lexan" polycarbonate---100% Reverse Impact (in. -lb)---100 Flexibility, 0.25 in. Mandrel---Pass Flexibility, 0.125 in. Mandrel---Pass |