潘金莲被吸乳揉到高潮的视频,久久99久久99精品免观看,在电影院里拨开内裤挺进,护士交换粗吟配乱大交动态图

Package: 25kg/bag or 250kg/drum

Uses : used in ink, oil paint, rubber, adhesive, waterproof cloth, paper-making, emulsifying agent, etc.

Product description: Polymerized rosin R-115 Softening point:110-115℃ Acid value: 130-140mg/g polymerized rosin 115 1.good quality and competitive price 2.quickly delivery 3.good afer-service Application: Polymerized rosin is a modified products of gum rosin, contains abietic type acids. It has a series of excellent properties such as higher softening point, non-crystalline, good oxidation-resistance, higher viscosity in organic solvent. Polymerized rosin is mainly used in ink, oil paint, rubber, adhesive, waterproof cloth, paper-making, emulsifying agent, etc.