MR. JO’s Professional-Grade Solutions for Moulds, Models & Laminates
The MR. JO Gelkot + Lami Series is a premium-grade range of epoxy systems engineered for mould making, composite laminations, pattern casting, and tooling applications. Designed for artisans, industrial modelers, and composite professionals, these products deliver high-performance mechanical strength, smooth surface finish, dimensional stability, and long-term durability.
Whether you’re creating precision moulds, structural laminates, or functional prototypes, this series provides optimized formulations to suit every workflow — from hand lay-up laminations to vertical gelcoat applications.
🔷 MR. JO Lami-LV
Low Viscosity Epoxy Lamination System
Ideal for fine laminations using glass fiber, carbon fiber, or CSM, this two-part system flows easily and wets out reinforcement completely.
- Pot Life: 100–150 min
- Mix Ratio: 100:10 PBW
- Viscosity: Low
- Finish: Clear
- Best For: Hand lay-ups, thin laminates, electrical insulation, model casting
- Key Benefit: Deep penetration and bubble-free wetting
🔶 MR. JO Lami-HV
Medium Viscosity Epoxy Lamination System
Formulated for higher build layers, this system offers improved sag control and ideal viscosity for vertical or thicker lamination work.
- Pot Life: 100–150 min
- Mix Ratio: 100:10 PBW
- Viscosity: Medium
- Finish: Clear
- Best For: Marine, aerospace, automotive, composite reinforcement
- Key Benefit: Smooth finish + superior chemical and UV resistance
⚫ MR. JO Gelkot-BLK
Black Epoxy Gelcoat for Mould Surfaces
A thixotropic, fast-curing black gelcoat with excellent chemical resistance and surface hardness. Stays in place on vertical and overhead surfaces.
- Pot Life: 20–30 min
- Mix Ratio: 100:16 PBW
- Consistency: Thick paste
- Finish: Opaque Black
- Best For: Ceramic moulds, tooling negatives, master models
- Key Benefit: Hard, clean finish for dimensionally accurate negatives
⚪ MR. JO Gelkot-WHT
White Epoxy Gelcoat for Pattern Making & Casting
Engineered for surface clarity and polishability, this white gelcoat forms a durable, sandable layer for high-quality master models and mold tools.
- Pot Life: 20–30 min
- Mix Ratio: 100:14 PBW
- Consistency: High viscosity paste
- Finish: Opaque White
- Best For: Foundry patterns, stencil models, FRP moulding
- Key Benefit: Fast curing + excellent abrasion and chemical resistance
🔵 MR. JO Gelkot-BLU
Blue Epoxy Gelcoat for Wet Lay-Up Moulds
This blue-colored thixotropic epoxy is excellent for visual contrast in tooling, ideal for identifying wear and defects. Cures to a strong, consistent layer.
- Pot Life: 20–30 min
- Mix Ratio: 100:14 PBW
- Consistency: High viscosity paste
- Finish: Opaque Blue
- Best For: Copy-milling models, foundry and ceramic tools
- Key Benefit: High visibility + strong cure for repeated layups
🔧 Where to Use the MR. JO Gelkot + Lami Series
| Application | Recommended Product |
| Hand Lay-Up with Glass/Carbon Mat | Lami-LV, Lami-HV |
| Vertical Surface Gelcoating | Gelkot-BLK, Gelkot-WHT, BLU |
| Mould Negatives & Foundry Patterns | Gelkot-BLK, Gelkot-WHT, BLU |
| High-Gloss, Durable Surface Layer | Gelkot-WHT, Lami-HV |
| UV/Weather-Resistant Laminates | Lami-HV |
| Precision Model Making | Gelkot-WHT, Gelkot-BLU |
⚙️ Why Choose MR. JO Gelkot + Lami Systems?
✔ Solvent-Free – Safe for indoor, enclosed operations
✔ Excellent Surface Quality – For professional-grade finish
✔ Chemical & Abrasion Resistance – Ideal for industrial moulds
✔ Stable Shrinkage Profile – For dimensional accuracy
✔ Versatile Application – From hand tools to high-end composites
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