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Metzger McGuire Spal-Pro RS 88 Ryno Gray 10 Gallon Unit MMRS88-10
Spal-Pro RS 88 Ryno Gray is a rapid-setting, two-component polyurea joint filler for industrial and retail concrete floors that see hard-wheel traffic.
- Light traffic in 30 minutes at 70°F
- Colorfast for stained and polished slabs
- Full-depth fill in saw-cuts
$573.58
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Metzger McGuire Spal-Pro RS 88 Joint Filler, Ryno Gray 10 Gallon
Spal-Pro RS 88 is a rapid-setting, two-component polyurea joint filler for industrial and retail concrete floors. It supports hard-wheel traffic and protects joint edges in warehouses, plants, and polished slabs. Colorfast enough for stained or polished work, it can take light traffic in 30 minutes at 70°F, with a flush shave as early as 15 minutes. Also available as the Ryno Gray 600 ml cartridge case.
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Key Features
- Heavy-duty polyurea joint filler for industrial and retail floors
- Light traffic in 30 minutes and full traffic in 1 hour at 70°F
- Colorfast on stained and polished concrete; will not smudge during grinding
- Full-depth fill in saw-cuts; 2 in minimum in formed joints
- Shave flush as early as 15 minutes
- Acceptable for USDA, FDA, and CFIA regulated facilities
Applications
- Contraction and control joints in industrial and retail floors
- Construction (formed) joints at a 2 in minimum depth
- Random cracks in industrial slabs
- Stained and polished concrete floors
- Warehouses, plants, and hard-wheel traffic aisles
Technical Specifications
| Property | Value |
|---|---|
| Chemistry | Two-component polyurea, 100% solids |
| Mix ratio | 1:1 by volume |
| Hardness | Shore A 86-90 at 70°F (ASTM D2240) |
| Tensile strength | 970 psi (ASTM D638) |
| Tensile elongation | 180% at 70°F (ASTM D638) |
| Tack-free | 5 minutes at 70°F |
| Traffic ready | Light 30 minutes; full 1 hour at 70°F |
| Gel / working life | 1-2 minutes |
| Shave window | As early as 15 minutes |
| Joint depth | Full depth in saw-cuts; 2 in minimum in formed joints |
| Service temperature | 32°F to 120°F |
| Packaging | 10 gallon kit (two 5 gallon pails) |
Product documents: Spal-Pro RS 88 Technical Data Sheet (PDF)
Frequently Asked Questions
What is Spal-Pro RS 88?
Spal-Pro RS 88 is a rapid-setting, two-component polyurea joint filler for industrial and retail concrete floors. It is not an elastomeric sealant. This page is Ryno Gray, 10 gallon bulk kit. A live 600 ml Ryno Gray cartridge case is also on this site.
How soon can traffic return, and when can I shave?
At 70°F, gel time is 1 to 2 minutes, tack-free is 5 minutes, the crown can be razored as early as 15 minutes, light traffic is 30 minutes, and full traffic is 1 hour. Test shave time on the slab; cold floors slow the cut.
How deep should the joint be filled?
Fill saw-cut contraction joints full depth, or 2 in minimum when the saw-cut is deeper than 2 in. Formed construction joints get a 2 in minimum. Do not use compressible backer rod in saw-cuts less than 2 in deep.
When should RS 88 be installed?
Defer as long as possible after slab placement. Do not install before 30 days. ACI recommends 60 to 90 days or longer so the slab can shrink and the joint can open. Bring the room to final operating temperature first.
Can it be used on polished or stained floors?
Yes. RS 88 is colorfast and will not smudge or smear during grinding or polishing. Wet-process honing can start at 30 minutes; dry-process at 3 to 4 hours at 70°F.
What packaging is published?
Manufacturer kits are 10 gallon bulk (two 5 gallon pails) and 600 ml dual-cartridges. Pigment packs tint Neutral bulk and are accessories, not another color of this cartridge.
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