Plastiline
J. Plastiline, Harbin Is a multi-purpose, non-drying model clay available in different grades and two colors, milky white and gray. Compatible with all silicone rubbers; both tin- as platinum cured.
Plasticine number reference - 40 Very soft / 50 软/ 55 标准/ 60 努力/ 70 Very hard color (gray or ivory)