| 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/-
"AA" Castor Oil/-
Gloss White/7.2
Purple Toner 6025/-
Peerless Carbon Black/-
Brown 2605/-
Chrome Yellow 1085/14.2
Zinc Yellow 1425/7.2
Watchung Red/-
Green 2133/-
London Rosin Oil/-
Color of Ink/Yellow
Molacco Black/-
*Vehicle: "AA" Castor Oil/39.1
London Rosin Oil/60.9
Prepare vehicle by charging proper amounts into vessel and stirring till
Vehicle*/71.4
uniform with slow agitation. The inks are prepared by mixing the vehicle
and pigments in a ball mill and cold grinding for 4-6 hours.
Milori |
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