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配方类型: |
INKS AND MARKING COMPOUNDS |
配方说明: |
Temperature-Recording Crayons or Pencils |
配方组成: |
Malachite Green/0.75 Sulfur (M.P. 119'C.)/5.30 Rosin (M.P. 65'C.)/67.20 Zinc Oxide/19.15 Beeswax (M.P. 70'C.)/7.60 |
配制方法: |
This melts at 80'C. |
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