配方类型:

INKS AND MARKING COMPOUNDS

配方说明:

Temperature-Recording Crayons or Pencils

配方组成:

Methylene Blue/0.40
Beeswax (M.P. 70'C.)/3.85
Paraffin Wax (M.P. 58'C.)/19.15
Zinc Oxide/19.15
Stearic Acid (M.P. 50'C.)/57.45

配制方法:

This melts at 50'C.