7.6.2 Performance testing of thermal insulation
1) test the efficiency of the thermal insulation of
the Heat Flow Meter tester by measuring the rate of heat transfer from the top to the bottom of the test piece. To the coefficient of thermal conductivity (Thermal conductivity, K-Value)
2) test the efficiency rate of water absorption of the insulation
tested by sample size than the × length × thickness of 25 mm. × 360 mm × 13 mm is then tested by measuring the size and weight of the test piece, save a certain size . Then the specimens were placed in a vertical and a U-shaped bend specimens chat water to sink a middle of the test area below, which are bent length 306 mm. Soak it 24 hours. After picking up the pieces drain test,
the test reports
- the average weight of the test piece before test
- test after test, the average piece weight
- the average weight of water absorbed by the test piece.
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