Urea Moulding Compound (UMC)/Amino Molding plastics

Test Items

Qualified standard

Test Results

Total migration/(mg/dm2)

95% ethanol (volume fraction)

Vegetable oil substitute

70°C, 2h

≤10

＜2

10% ethanol (volume fraction)

70°C, 2h

2

4% acetic acid (volume fraction)

70°C, 2h

2

Potassium permanganate consumption/(mg/kg)

Water（60°C,2h）

≤10

3

Heavy metals (Pb)/(mg/kg)

4% acetic acid (volume fraction)(60°C, 2h)

≤1

≤1

Melamine migration volume/(mg/Kg)

95% ethanol (volume fraction)

Vegetable oil substitute

70°C, 2h

≤2.5

Not detected

10% ethanol (volume fraction)

70°C, 2h

Not detected

4% acetic acid (volume fraction)

70°C, 2h

Not detected

Formaldehyde migration volume/(mg/Kg)

95% ethanol (volume fraction)

Vegetable oil substitute

70°C, 2h

≤15

＜0.5

10% ethanol (volume fraction)

70°C, 2h

1.2

4% acetic acid (volume fraction)

70°C, 2h

3.2

Decolorization test

Negative

Negative

Sensory requirements

appearance

Normal color, no odor, unclean things, etc.

Meet the standard

Soaking solution

The immersion solution obtained from the migration experiment had no sensory deterioration such as turbidity, precipitation and odor.

Meet the standard