| 配方类型： |
RUBBER, PLASTICS, WAXES |
| 配方说明： |
Polystyrene Phonograph Record (U.S. Patent 2,750,349) |
| 配方组成： |
Zinc Stearate/0.82
Carbon Black/2.45
Carnauba Wax/2.04
N,N'-Diphenyl-p-phenylenediamine/0.08
Microcrystalline Wax/0.82
m-Terphenyl/8.16
Polystyrene/81.55
Styrene-Butadiene Copolymer/4.08 |
| 配制方法： |
Mix in Banbury mill, shape into preform biscuits and mold at 300'F. |
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