Please allow me to continue asking questions in this thread. Problems encountered are: 1. Try to dissolve 10% in DPG / not dissolve. 2. Try to dissolve 10% in แอลกอฮอล์ / not dissolved 3. try to melt with heat 60-70 degrees / not melt Questions are: 1. How do you dissolve it? 2. Is there a type that...