I'm having trouble making a 10% PVA solution. I wasn't given a protocol on how to make 10% PVA but was just told how to make it. I've tried different methods and amounts however none of them are working. I keep having the same problems like the PVA not fully melting or fully melting and creating little free-flowing PVA particles. Could somebody please let me know what the problem could be with my PVA solution?

10% PVA protocol I use (for 100mL):

1. Heat 60mL of DW up to 120 C degrees at 500 to 600 RPM.

2. Add 10g of PVA slowly.

3. Add 20mL of DW more and lower the heat to 95 C.

4. Keep stirring for 2 hours.