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MOISTURE CONTENT - GB/T18103-2000 (6.3.3) and GB/T17657-1999 (4.3); EN 13183-1:2002 (adapted)

1. TOOLS
1.1 Balance accurate to 0.01 gr.
1.2 Equipment for drying wood, ensuring free internal circulation of air and capable of maintaining a temperature of 103 (+/-2) ° C

2. SAMPLING
4*75x75 mm

Samples shall be free from resin wood and features such as bark, knots and resin pockets

3. TESTING PROCEDURE
3.1 Weigh samples (W0)



3.2 Oven-dry samples for 6 hours at 103 (+/-2) ° C



3.3 Record samples’ weight (W1)



3.4 Repeat steps 3.2-3.3 until the difference in mass between 2 successive weighings (WF and WF-1) separated by an interval of 2 hours is less than 0.1% . In case of high density samples, the time interval should be increased to 4 hours
3.5 Moisture Content (%) = ((W0 – WF)/WF)*100

4. ASSESSING TEST RESULTS
Passing requirement per the sales contract





 
  
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