Fact Sheet

Property	Specification
Construction:	Molded from recycled rubber products Cannot shink, buckle, warp or crack Can be cut with table or band saw
Dimensions:	Dog-bone configuration 7 3/4" long x 6 1/4" wide at top/bottom and 4 1/2" center Two thicknesses offered; 1 3/4" depth and 7/8" depth
Weight:	2.5 lbs.each for 1 3/4" block 1.25 lbs. each for 7/8" block Coverage: 3.4 blocks per sq. ft.
Standard Colors:	Black, grey and red Custom colors optional; based upon quantity
Recommended Adhesives:	Kaswell 150 TC, applied cold Kaswell 151 TC, applied cold
Hardness:	80 Durometer Standard
Thermal Resistance:	R = 2.32 (ASTM C518-76)
Thermal Conductivity:	K = 0.75 (ASTM D257)
Thermal Stability:	-40�C to +90�C
Freeze/Thaw:	No change (-40�C, 40 cycles)
Accelerated Weathering:	No change (2,500 hours)
Electrical Conductivity:	1.1 x 10.4 (Siemans/meter)
Tensile Strength:	2,000 psi minimum (ASTM D412)
Compression Strength:	10,000 psi minimum
Compression Endurance:	10,000 cycles with 10 ton load No deterioration
Abrasion Resistance:	0.3812 g loss (2,000 cycles Taber abrader 1 kg)
Coefficient of Friction:	0.64 dry, 0.79 wet (ASTM D1894)
Chemical Resistance:	Fuel A: No deterioration Oil 3: No deterioration Lubricating oil: No deterioration Cutting oil: No deterioration Dilute HCL: No deterioration
Flash Point:	Between 650� and 800�F