配方类型：	INKS AND CARBON PAPER
配方说明：	Stencil Duplicating Inks
配方组成：	Stencil duplicating inks make impressions through cut stencils superimposed upon a porous blanket, by means of a slow flow of the stencil ink. Originally, these inks were entirely nonaqueous in composition. Water inks are now available, but since they have certain serious limitations, discussion will be limited to the oil-based types. Several commercial formulations are as follows Ultramarine/0.8 "AA" Castor Oil/80.5 Gloss White/- Purple Toner 6025/- Peerles

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