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Composition
Spal-Pro RS 88 is a rapid setting polyurea polymer liquid of 100% solids content. When cured, Spal-Pro RS 88 is a gray, rubberlike solid with a hardness of Shore A88-92.

Basic Use
Spal-Pro RS 88 was developed Jo fill and protect joints in trafficked industrial and retail concrete floors. Its primary function is to support such traffic and protect joint edges. Spal-Pro RS 88 is intended for use where final temperatures are from 32 ºF (0 ºC) to +120 ºF (49 ºC).

Other Uses
Spal-Pro RS 88 is also ideal for filling random cracks in industrial floors.
Unit of Measure

Specifications

Hardness, Shore "A" at 70 ºF

 N/A A86-90

Tensile Strength

 N/A 970 psi
Tensile Elongation at 70 ºF1
N/A 180 %

Adhesion to Concrete

 N/A 350 to 400 psi

Tack Free at 70 ºF

 N/A 5 m

Traffic Ready at 70 ºF

 N/A 1 h

Mix Ratio (by Volume)

 N/A 1:1

Solids Content

 N/A 100 %

Shrinkage

 N/A Negligible

Limitations

Limitations

 N/A Spal-Pro RS 88 is not recommended tor use under VCT or other non-breathing flooring systems.

Spal-Pro RS 88 is designed for interior use and may not be suitable for outdoor applications due to thermal movement.

Spal-Pro RS 88 may exhibit bubbling and/or compromised adhesion if concrete or ambient moisture levels are excessive.

Advantages

Advantages

 N/A
  • Spal-Pro RS 88 is Rated "Heavy Duty"
    Unlike softer polyureas, RS 88's higher shore hardness provides greater edge protection and support.

  • Spal-Pro RS 88 is "Rapid-Setting"
    At 70 ºF (21 ºC) it can be opened to full traffic in as little as (60) minutes and light traffic in (30) minutes.

  • Spal-Pro RS 88 is Colorfast
    RS 88 maintains a consistent color profile and resists fading and other discoloration under normal conditions.

  • Spal-Pro RS 88 is Non-Staining
    In normal slab surface conditions, RS 88 does not exhibit residual concrete staining often associated with semi-rigid fillers.

  • Spal-Pro RS 88 is Ideal for Use in Stained/Polished Floors
    RS 88 can be used to fill joints and cracks in polished concrete floors and will not smudge or smear during grinding/polishing.

Correct Joint Design/Installation

Correct Joint Design/Installation

 N/A Spal-Pro RS 88 should be installed full joint depth in saw-cut contraction/control joints (or 2" min. in saw-cut joints exceeding 2" in depth) per PCA and ACI guidelines.

In construction (formed) joints that are not saw-cut, RS 88 should be installed at a minimum 2" depth. DO NOT USE COMPRESSIBLE BACKER ROD IN STANDARD SAW CUT CONTRACTION/CONTROL JOINTS! Rod may be used 2" down in construction joints or saw cut joints exceeding 2" in depth ONLY.

Color, Packaging and Accessories

Color, Packaging and Accessories

 N/A Standard color is Standard Gray, multiple ColorFast and custom colors are also available. Available in 10 gal. (US) kits (2-5 gal. US pails) and 600 ML (300:300) dual-cartridge convenience kits.
Optional FAST PACK is available to accelerate initial gel/cure time.

Applicable Specifications

Applicable Specifications

 N/A There are no government or ASTM standards for industrial floor joint fillers. Spal-Pro RS 88 meets or exceeds the floor joint filler guidelines set forth by the American Concrete Institute (302. 1 R-04 Guide for Concrete Floor and Slab Construction), ACI 360 and Portland Cement Assoc. (Concrete Floors on Ground, Fourth Edition 2008).

USDA/FDA/CFIA/LEED® Approval

USDA/FDA/CFIA/LEED® Approval

 N/A Spal-Pro RS 88 is acceptable for use in USDA, FDA, and CFIA regulated facilities. Spal-Pro RS 88 contains no VOC's and is fully compliant with USGBC LEED® green building standards.
  • 1 This property provided only for comparison with other polyureas. Elongation is not an indication of expansion capability.