Polymer Nation – SP‑15 Epoxy Patching Paste (0.5 Gallon Kit)

Product Overview

SP‑15 is a high‑viscosity, nonylphenol‑free, three‑component epoxy patching paste that cures to a non‑shrinking, high‑strength repair. Once set it can be shaped, sanded, or ground to match the surrounding concrete.

Typical Uses

• Filling holes, cracks, divots, and non‑moving joints in concrete
• Feather‑edge transitions between different slab elevations

Kit Contents (one mix)

• Part A – 32 fl oz epoxy resin
• Part B – 16 fl oz cycloaliphatic amine hardener
• Part C – 3 lb silica‑free filler (PN 1170)
• Total mixed yield: 0.5 gal  |  Coverage ≈ 3.2 ft² @ ¼″ or 150 LF of ¼″ × ¼″ joint

Key Features

• 100 % solids, < 50 g/L VOC
• Gel time ≈ 20 min @ 77 °F (25 °C)
• Light foot traffic ≈ 4.5 hrs • Full cure 7 days
• Shore D hardness: 65 (24 hrs) → 78 (7 days)
• Low odor • Non‑shrinking • Easy to sand & grind

Mix Ratio & Application

Combine Part A and Part B (2 : 1 by volume) and mix for 60 seconds at 350 RPM. Add Part C and blend until homogeneous. Place material within 20 minutes and re‑coat within 5 hours.

Cure Schedule @ 70 °F (21 °C)

Downloads

SP‑15 Technical Data Sheet (PDF)

Always review the full TDS & SDS before use.