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Sponge Rubber EXP Expansion Joint
Sponge Rubber EXP Expansion Joint
Right Pointe
Sponge Rubber Expansion Joint is composed of economical re-bonded sponge rubber particles manufactured to a consistent density and size. This very workable material has a recovery rate of 95% or more of the original thickness and a density exceeding 30 pounds/cu. ft.
(click image to enlarge)
Quick Overview
Features and Benefits:
Designed for high performance, low tolerance criteria projects
Excellent recovery properties for installations with wide temperature variations
For isolation applications or between materials with dissimilar coefficients of expansion
Meets or exceeds all specifications.
Resilient - recovers 95% of original thickness after compression.
Resists water infiltration.
Easy to handle and install
Petroleum resistant
Use And Applications:
Sponge Rubber Expansion Joint is suitable for use with a wide variety of concrete construction projects. Noted for its excellent recovery properties, it is frequently used in applications that experience rapid changes in temperature.
Click here for the MSDS
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Details
Size Information:
Thickness: 1/4", 3/8", 1/2", 3/4", 1"
Standard Lengths: 54"
Slab Width: 36"
Cut to Size: 2" to 36" in 1/2" increments
Typical Properties:
Compression (to 50% of original)
50-500psi
Water Absorption by Weight
Average of closed and open-celled sponge Compression Set 10% maximum. ASTM Method: ½" samples compressed for 22 hours @ 70°F - 24 hour recovery
Density
30 PCF minimum
Temperature Resistance Low
-40°F
Temperature Resistance High Continuous
+180°F
Temperature Resistance High Intermittent
+220°F
Accelerated Aging:
Good
ASTM Method:
7 days at 158°F-lineal shrinkage maximum 2%) Flexibility 180° bend without cracking
Tensile Strength (minimum)
25psi
Elongation (minimum)
75%
Additional Information
Manufacturer: Right Pointe
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