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Rulon Bearings

Asian Kempas Wood
Categories: Wood and Natural Products; Wood; Hardwood

Material Notes: Slightly acidic and may encourage corrosion of ferrous metals.
Usual surface texture: Coarse
Dimensional changes when dried lumber is subjected to variations in humidity during service: Medium
Resistance to fungal decay (Heartwood in ground contact): Durable (15 to 25 years)
Resistance to penetration by preservatives: Resistant
Common Applications: Heavy constructional use

Key Words: Koompasia malaccensis
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Physical PropertiesMetricEnglishComments
Specific Gravity 0.710 g/cc0.710 g/ccGreen
Density 0.880 g/cc0.0318 lb/in³15% Moisture Content
 
Mechanical PropertiesMetricEnglishComments
Hardness, Wood Indentation 6600 N1480 lb (f)Side Hardness, Green
 7600 N1710 lb (f)Side Hardness, 12% Moisture
Modulus of Rupture 0.100 GPa14.5 ksiStatic Bending, Green
 0.122 GPa17.7 ksiStatic Bending, 12% Moisture
Flexural Modulus 16.6 GPa2410 ksiStatic Bending, Green
 18.5 GPa2680 ksiStatic Bending, 12% Moisture
Compressive Strength 54.7 MPa7930 psiParallel to Grain, Green
 65.6 MPa9510 psiParallel to Grain, 12% Moisture
Machinability 10 %10 %Difficult Relative to Other Wood
Shear Strength 10.1 MPa1460 psiParallel to Grain, Green
 12.3 MPa1780 psiParallel to Grain, 12% Moisture
Work to Maximum Load 0.0840 J/cm³12.2 in-lb/in³Static Bending, Green
 0.106 J/cm³15.4 in-lb/in³Static Bending, 12% Moisture
 
Thermal PropertiesMetricEnglishComments
Shrinkage 6.0 %6.0 %Radial Shrinkage Green to Oven Dry
 7.4 %7.4 %Tangential Shrinkage Green to Oven Dry
 14.5 %14.5 %Volumetric Shrinkage Green to Oven Dry
 
Descriptive Properties
ColorOrange-red to red-brownUsual for heartwood

References for this datasheet.

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