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| 配方类型： |
ADHESIVES |
| 配方说明： |
Wood Adhesive With a Long Open Time |
| 配方组成： |
Polyvinyl Alcohol, 15% solution/20.00 Pounds
Phenol/1.60 Pounds
Total Solids/52-54%
Water/q.s.
Daratak 56L/200.00 Pounds
Santicizer 160 Plasticizer/2.00 Pounds |
| 配制方法： |
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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