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SpecChem SpecPoxy CJ

SpecChem SpecPoxy CJ

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Contractor Overview

SpecPoxy CJ is a two-component epoxy system. 100% Solids, Semi-Rigid Epoxy Control Joint Filler SpecPoxy C.J. is a two-component, semi-rigid epoxy designed for filling control and construction joints in industrial concrete floors.

Best For

  • Floors

Key Features

  • 100% Solids, Semi-Rigid Epoxy Control Joint Filler SpecPoxy C
  • Two-component epoxy chemistry
  • Used for bonding, repair, or protection applications

Material & Application Notes

It supports joint edges, reducing spalling caused by wheel traffic and complies with ACI 302, section 4.10 recommendations for epoxy joint fillers.

Why Contractors Choose It

Contractors choose SpecPoxy CJ when bonding strength, placement consistency, and the right epoxy chemistry matter to the repair or installation.

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Application

SpecPoxy C.J.can be poured, applied with a bulk caulking gun, or pumped from a dual component pump.

  • Overfill the joint, and once tack-free, grind or cut flush to the surface of the concrete.
  • If not fully cured, a heat flame may facilitate cutting.

Packaging

Available in 2 gallon and 10 gallon units.

Shelf Life

Shelf Life

  • Store in original tightly closed containers.
  • Shelf life is two years from the date of manufacture when stored properly.

Test Data

Test Data

  • Complies With:ACI 302 guidelines for “Epoxy Joint Filler”.
  • 100% Solids:Semi-rigid epoxy control joint filler.
  • Pot Life at 75°F:20 minutes.
  • Tack-free at 75°F:6-8 hours.
  • Shore A Hardness:90±5 (ASTM D2240).
  • Tensile Strength:910 psi (ASTM D638).
  • Tensile Elongation:60-70% (ASTM D638).
  • Adhesion to Concrete:Adhesion failure to concrete.

Cleaning

Uncured material can be removed with SpecChem Solvent 100 or other approved solvents.Dispose of in accordance with local, state, and federal disposal regulations. Cured material requires mechanical removal.