PART I General Properties

1. Flexural Strength        38.0 Mpa        ASTM D6109-2010

The flexural strength and stiffness were conducted in accordance with ASTM D6109-2010 Method A. The specimen rectangular cross section was tested in flexure as a beam in a flat mode. The beam rested on two supports and was loaded at two pointseach an equal distance from the adjacent support point. The distance between the loading noses is one-third of the support span. The specimen was deflected until rupture occurred in the outer fibers.

2. Tensile Strength           18.9 Mpa        ASTM D638-2010

The test was conducted in accordance with ASTM D638-2010. Five specimens were tested. The width and thickness of fiat specimens at the center of each specimen were measured. The specimen was placed in the grips of the testing machine. The speed of testing was 5 mm/min. The tensile strength was calculated by dividing the maximum load by the average original cross-sectional area in the gage length segment of the specimen.

3. Impact resistance        22.4J/m        ASTM D256-2010

The test was conducted in accordance with ASTM D256-2010. The individual determinations of impact resistance were tested under the conditions. The average lzod impact resistance of the group of specimens was calculated. Values obtained from specimens that did not break in the manner specified were not included in the average.


Static coefficient   Static coefficient of friction Dynamic Coefficient of friction ASTD D2394-2008
Dry surface 0.31 0.23
Wet surface 0.37 0.34

The test was conducted in accordance with ASTM D2394-2008. Wet and dry slip resistances were evaluated. Static coefficients of friction were determined by obtaining the force required to move the specimen from a stationary position. To accomplish this, the sliding unit was placed on the specimen and carefully lined up so the line of force coincides with a line through the center of gravity of the mass of the sliding unit. The chain was loaded at a rate of separation of the testing machine heads of 1.27 mm/min. The load required to move the sliding unit divided by the mass of the sliding unit was the static coefficient of friction. Sliding coefficients of friction were determined by measuring the average force required to maintain movement at a rate of separation of the heads of the testing machine of 51 mm/min.

5.Fastener holding test        1476N        ASTD D2394-2006

The test was conducted in accordance with ASTM D1761-2006. The specimen was inserted with screw. The model of screw was standard 1-in No. 10-gage flathead low-carbon-steel wood screws. The specimens and screws were conditioned for at least 48 hours at a temperature of 20!3 and relative humidity of 65!3. The screws were withdrawn at a uniform rate of speed by means of a testing machine and maximum load was recorded. Five specimens were tested.

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