Duralin (Typical Properties)
Density (ASTM D792)Skin55-63 lbs/cu ft
Density (ASTM E12)Core34-47 lbs/cu ft
Water Absorption (ASTM D570)Skin
Core
0
2 hr. 0.44% wt. increase
24 hr. 2.33% wt. increase
Impact Resistance (ASTM D746)SkinGreater than 4 ft-lbs/in.
Brittleness (ASTM D746)SkinNo break at -40°F at 5 ft-lbs/in.
Hardness (ASTM D2240)Skin50 (Shore D)
Ultraviolet (ASTM D4329 B Lamp)Skin500 Hours No Change in Shore "D" Durometer Hardness
Core500 Hours No Change in Shore "D" Durometer Hardness
Abrasion (ASTM D4060)
Cycles = 10,000
Wheel = CS17
Load = 1 kg
SkinWeight Loss = 0.0272 g
Wear Index = 2.72
Chemical Resistance (ASTM D543)Skin/Core 
Sea Water1.03% mass increase
0.84% thickness increase
0.37% diameter increase
45.1 lbs breaking force
906 psi breaking pressure
Gasoline5.95% mass increase
0.65% thickness increase
0.76% diameter increase
51.4 lbs breaking force
910 psi breaking pressure
Diesel Fuel4.13% mass increase
1.04% thickness increase
0.76% diameter increase
57.1 lbs breaking force
1 038 psi breaking pressure
Tensile Properties (ASTM D638)Skin/Core860 psi at break
Compressive Properties (ASTM D695)Skin/CoreCompressive modulus at 46.8 ksi
Bearing Strength (ASTM D953 Method A)Skin/Core1.66 ksi
Coefficient of Friction (ASTM F489)Skin0.22 dry
0.21 wet
Nail Pull Out (6-penny nail)
(ASTM D1761 Section 102)
Skin/Core81 lbs
Toxic Character Leaching Procedure
(EPA SW846 mod.)
Silver (Ag)
Arsenic (As)
Barium (Ba)
Cadmium (Cd)
Chromium (Cr)
Copper (Cu)
Iron (Fe)
Mercury (Hg)
Lead (Pb)
Selenium (Se)
Zinc (Zn)
0.00 ppm
0.0 ppm
0.0 ppm
0.0 ppm
0.0 ppm
0.4 ppm
2.2 ppm
0.00 ppm
0.0 ppm
0 ppm
0.7 ppm
Last Updated: 08.10.04
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