Industrial bone gelatin description:

1) Industrial bone gelatin use: 

a) Often used for making fodder, quality abrasive paper of gauze, polished cloth, black glue, rubber packing, handicraft adhesive card, wooden furniture, data plate sign, light at leather, can dye and knit sizing, smelt and plate the liquid, make up styling gel 

b) Sometimes also used as glue additive 

2) Bone glue in pearl: 

a) Made of animal bones b) Bone was grounded into powder, dissolved in water, evaporated and dried into a hard jelly 

3) The viscosity is very important for use