Shanghai yuxil Chemical Co. Ltd.   

Straw hat glue preparation: raw material preparation 1. Remove the straw hat glue (powder polyvinyl butyral) 1 2. Take alcohol (methanol over 95% content) 9 2: dissolution (a) method: 1. The prepared alcohol is placed in a vessel alcohol accounted for the volume of a container is 80% to 90%. 2. The alcohol stirring equipment for stirring, make alcohol in exercise 3. Then straw hat glue powder slowly slowly added to the solution is, not all one-time investment, should be added slowly