Exterior Cladding - Curtain Wall System

Thermal Properties
Coef. of Thermal Expansion in X Dir (in/in. F°) - 5.2
Coef. of Thermal Expansion in Y Dir (in/in. F°) - 12.8
Coef. of Thermal Expansion in Z Dir (in/in. F°) - 45.9/73.5²
Thermal Conductivity (Cal cm/cm2 sec C°) - 0.00051

Tensile Strength
X Direction (psi) - 13,100
Y Direction (psi) - 19,200

Compressive Strength
X Direction (psi) - 15,900
Strain @ Failure - 7.15%
Y Direction (psi) - 18,400
Strain @ Failure - 7.09%
Z Direction (psi) - 30,000
Strain at Failure - 20%

Flexural Strength (Face in Tension)
X Direction (psi) - 22,000
Y Direction (psi) - 17,300

Flexural Strength (Edge in Tension)
X Direction (psi) - 20,400
Y Direction (psi) - 16,100

Izod Impact (Face Impact)
X Direction (ft. lb. Per Inch of Width) - 2.48
Y Direction (ft. lb. Per Inch of Width - 1.46

Izod Impact (Edge Impact)
X Direction (ft. lb. Per Inch of Width) - 0.68
Y Direction (ft. lb. Per Inch of Width - 0.62

Density

75.84 pounds per cubic foot or .0439 per cubic inch

Water Absorption

1.55% by weight

Specific Gravity

1.213, which means that Richlite is 21% heavier than water by volume