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.

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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:

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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