配方类型:

COATINGS

配方说明:

Tung-Linseed Oil Varnish

配方组成:

Tung Oil/352
Bodied Linseed Oil (O Viscosity)/48
Ester Gum/200

配制方法:

Heat the ester gum and tung oil under inert gas to 580'F (304'C).
Check with linseed oil and reheat to 520'F (271'C). Hold at 520'F (271'C) for a long string from a cold pill. Cool rapidly to 390'F (199'C) and thin to 50% solids with mineral spirits.