Add Santicizer 160 and phenol in mixer and stir until phenol is all dissolved. Add Daratak 56L to mixture of plasticizer and phenol and stir until smooth. Add polyvinyl alcohol solution and stir until a homogeneous mixture is obtained. Use water to adjust total solids and viscosity. Prepare a stock solution of polyvinyl alcohol by slurrying 5.5 pounds of Elvanol 51-05 and 9.5 pounds of Elvanol 72-60 in 85.0 pounds of water at room temperature with good agitation. Heat for 20-25 minutes at 185-190'F. Add water for viscosity or solids control.
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