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