Test Results

nfc Boards with High Fibre Content

The following tests were carried out on the samples of Indowud NFC board by the National Test House, Central Institute of Plastic Engineering & Technology (CIPET) and Indian Plywood Industries Research & Training Institute (IPIRTI), Spectro Labs and SGS Labs

TEST UNIT METHOD RESULT
DENSITY Kg/CBM ASTM D792 800.349
WATER ABSORPTION AFTER 2 HRS % IS : 2380 0.02
WATER ABSORPTION AFTER 24 HRS % IS : 2380 0.12
THICKNESS SWELLING AFTER 2 HRS % IS : 2380 0.06
MODULUS OF RUPTURE – AVERAGE N/mm² IS : 2380 14.5
MODULUS OF RUPTURE – MINIMUM INDIVIDUAL N/mm² IS : 2380 14.4
MODULUS OF ELASTICITY – AVERAGE N/mm² IS : 2380 1327
MODULUS OF ELASTICITY – MINIMUM INDIVIDUAL N/mm² IS : 2380 1290
SCREW WITHDRAWAL – FACE N IS : 2380 2252
SCREW WITHDRAWAL – EDGE N IS : 2380 1409
TENSILE STRENGTH MPa ASTM D638 7.6
COMPRESSION STRENGTH MPa ASTM D695 40.2
ELONGATION @ BREAK % ASTM D638 2
CHARPY IMPACT STRENGTH KJ/m² ASTM D6110 6.25
HEAT DEFLECTION @ 0.45MPA °C ASTM D648 64.45
SOFTENING TEMPERATURE @ 1 KG °C ASTM D1525 72.5
VOC EMISSIONS EPA : 5035A (by GCMS) Mg/KG Below detectable limit
TEST FOR TERMITE RESISTANCE IS 4833 No sign of termite attack
TEST FOR FUNGAL RESISTANCE IS 4873 No sign of fungal attack
TEST FOR BORER RESISTANCE IS 4873 No sign of borer attack

Sound Test

FREQUENCY (Hz) SOUND ABSORPTION CO-EFF TRANSMISSION LOSS (dB/1.0)
125 0.02 26.19
250 0.03 22.53
500 0.04 32.85
1000 0.06 40.20
1500 0.06 44.50
2000 0.05 47.33
2500 0.05 45.61
3000 0.06 47.83
3500 0.08 46.6
4000 0.10 47.56