... Insoluble SulfurStandard: Q/IMFJ 001-1997Use:Sulfur vulcanizer improves high temperature safety in rubber masticating without frosting and burnt rubber and ... film.Storage:keep in dry, cool and ventilated place with temperature<40°C; prevent from fire, heat, moisture, alkali, alkali, ... person:june liuTel: 86-371-86158658Phone No: 86-15038300226 High Temperature Stable Insoluble Sulfur IS-HS Series