HEMC manufacturer ,good quality with best survice ,exact quality control in factory lab or do CIQ certificate . HEMCHydroxypropyl Methyl CelluloseCAS:9004-65-3Purity: 99%Type: Chemical additivesUsage: Leather Auxiliary AgentsMethoxyl content,%22.0-32.0Hydoxy propoxy content,%noneGelling temperature,centigrade60-90Moisture content,%no more than 5.0Ash,%no more than 1.0PH Value4-8AppearanceWhite ...