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VOLATILITY - GB18586-2001

1. TOOLS
1.1 Drying equipment, ensuring free internal circulation of air
1.2 Balance accurate to 0.0001 g

2. SAMPLING
3*100x100 mm

3. ENVIRONMENTAL CONDITIONS
Condition the samples for 24 hours at 23(+/-2) ℃ and 50(+/-10)% relative humidity

4. TESTING PROCEDURE
4.1 Weigh the samples accurate to 0.0001 g (m1) 


4.2 Measure the length (L) and width (W) of the samples accurate to 0.0001 mm, calculate the area (S)




4.3 Place the samples in the drying equipment at 100(+/-2) ℃ (distance between samples should be min 25 mm)


4.4 Take out the samples after 6 hours±10 min and condition them for 24 hours per 23/502 of GB/T 2918-1998; then weigh the samples to an accuracy of 0.0001 g (m2)

4.5 Record the results X2= (m1-m2)/S

5. ASSESSING TEST RESULTS

Passing requirement: ≤10 g/m2



 
  
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