| 配方类型： |
RUBBER, PLASTICS, WAXES |
| 配方说明： |
Shellac Phonograph Record |
| 配方组成： |
Zinc Stearate/0.8
Up to 40 parts of ground record scrap can be worked back into this
formula.
Formula No.
Slate Flour (300-400 Mesh)/37.1
Carbon Black/2.0
Cotton Flock/2.0
Congo Gum/4.0
Montan Wax/0.6
Zinc Stearate/0.4
Shellac/16.2
"Marter White"/13.0
"Vinsol"/16.9
Slate Flour/60.4
Carbon Black/3.0
Cotton Flock/3.0
Zinc Stearate/0.5
"Vinsol"/8.0
Carbon Black/2.2
Shellac/16.4
Shellac/17.3
Gum Copal/4.8
cotton Flock/2.6
"Vinsol"/2.4
Ground Whiting/53.0
Ground Whiting/33.4 |
|
