1.Discription of Urea formaldehyde resin:
laboratory,urea formaldehyde resins are prepared by using urea with formaldehyde in an alkaline or neutral medium to produce dimethylol urea, which then undergoes polycondensation, a chemical process that produce a polymer,when heated in an acidic medium.
2.Specification of Urea formaldehyde resin:
Urea Formaldehyde Resin Powder
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Item
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Specification
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Result
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Appearance
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White Powder
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Viscosity 25℃
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3000-4500CPS
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3500CPS
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Solid Content
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≥95%
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98%
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Formaldehyde Emission
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≤3.0
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2.5
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Volatile Substance
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<2
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1.9
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Moisture Content
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≤2
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1.8
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PH
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7.5-8.0
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7.6
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Specific Gravity 25℃
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1.220g/cm3
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1.1
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Mesh Size
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80-120mesh
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100mesh
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4. Package & Storage of Urea formaldehyde resin:
25kg PP bag, 22MT/20FCL. 28MT/40HQ