MR. JO JH 1057 – The Low-Color, Water-Wipeable Hardener for Tile Grouts
MR. JO JH 1057 – The Low-Color, Water-Wipeable Hardener for Tile Grouts
Tile grouting is as much about aesthetics as it is about strength. A grout line that yellows, stains, or becomes uneven can spoil the entire finish of a floor or wall. That’s why professionals need a hardener that ensures clean appearance, easy application, and lasting adhesion.
This is where JH1057 comes in.
What is JH 1057?
JH 1057 is a low-viscosity polyamide curing agent, specially developed for tile grout applications. Unlike conventional hardeners, it is water-wipeable — allowing easy cleanup during application. Its low color index ensures grout lines remain clean, neat, and visually appealing.
- Mix Ratio: 50 PHR with epoxy resins (ideal with JR 3013 and JR 3000)
- Amine Value: 420–455 mg KOH/g
- Viscosity (25°C): 500–1000 mPa·s
- Color (Gardner): ≤8
- Density (25°C): 0.98–1.01 g/cc
Why Choose JH 1057?
- Water-Wipeable Convenience – Makes application and finishing easy, ensuring smooth grout lines without excess residue.
- Low Color & Stable Finish – Keeps grout joints bright and consistent, avoiding discoloration.
- Fast, Reliable Cure – Reduces waiting time while providing strong adhesion for long-lasting results.
- Excellent Adhesion – Bonds well with tiles and substrates, minimizing risks of cracks or gaps.
- Cost-Effective – Delivers professional-quality results without overcomplicating application.

Applications of JH 1057
- Epoxy Tile Grouts – Kitchens, bathrooms, swimming pools, and decorative tiling.
- General Purpose Adhesive Systems – Where low color and clean finishes are important.
- Industrial Tile Fixing – In areas exposed to water, heat, or chemicals.
Features at a Glance - Low color polyamide hardener
- Water-wipeable, applicator-friendly
- Smooth finish & long-lasting adhesion
- Compatible with JR 3013 & JR 3000 resins
- Ideal for decorative and industrial tile grouts
Conclusion
For contractors, architects, and applicators looking for a tile grout hardener that blends strength with aesthetics, JH 1057 is the go-to choice. With its low color, easy cleanup, and dependable adhesion, it ensures that grout lines stay as flawless as the tiles themselves.

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