MR. JO Gelkot-WHT : High-Performance White Epoxy Gelcoat for Molds, Stencils & Foundry Patterns
MR. JO Gelkot-WHT : High-Performance White Epoxy Gelcoat for Molds, Stencils & Foundry Patterns
When precision, visual clarity, and durability matter in mold making or surface tooling, MR. JO Gelkot-WHT steps up as a versatile and fast-curing epoxy gelcoat system. With its high-viscosity, thixotropic nature, and dense white finish, this two-component gelcoat is designed to create smooth, hard-wearing mold surfaces for a range of industries — from ceramics and stenciling to industrial lamination tools and foundry applications.
🧩 The Challenge at Many Sites
Waterproofing failures often stem from an unexpected source: the water added during mixing. On-site dilution with hard water, unmeasured quantities, or inconsistent mixing can compromise the final film.
Even the best epoxy systems can falter if a careless mix leads to chalky coatings, patchy curing, or poor bonding. Especially in large projects, controlling field variables becomes a challenge.
⚪ Key Features
🖌️Thixotropic Consistency – Stays in place on vertical and complex surfaces with ease.
⏱️Fast Curing at Room Temperature – Improves productivity without compromising finish quality.
🧪Excellent Chemical Resistance – Ideal for harsh industrial environments.
🧲Strong Bonding & Surface Finish – Delivers a polished, hard, and abrasion-resistant coating.
🪞Polishable and Grindable – Achieves fine finishes where surface appearance is critical.
🌱Solvent-Free Formula – Safer application, low odor, environmentally friendlier
🧪 Technical Properties
| Property | Value |
| Color | White |
| Mixing Ratio (PBW) | 100:14 |
| Pot Life @ 25°C | 20–30 minutes |
| Mixture Consistency | Thixotropic paste |
| Optics | Opaque |
| Cure Type | Room temperature |
🧰 Recommended Applications
🎯 Stencil Making & Tool Templates
Ideal for repeat-use stencils, where edge definition and abrasion resistance matter.
🔍 Mold Negatives & Laminating Tools
Forms a high-integrity skin for laminating molds — especially where color contrast helps in visual inspections.
⚙️ Foundry Patterns
Smooth finish, high dimensional stability, and abrasion resistance make it perfect for foundry use.
🧪 Ceramic Working Models
Commonly used in sanitaryware and ceramic mold building where fine detail replication is critical.
🔧 Mold Repairs & Re-coats
Can be used to recoat or touch up worn-out gelcoat surfaces, providing an extended mold lifecycle.
✨ Why Choose MR. JO Gelkot-WHT?
- Brilliant White Finish
Provides a clean, neutral background for inspection, alignment, or composite layup. - Strong Yet Workable
Once cured, surfaces can be cut, sanded, or polished to the desired shape and finish. - Fast & Efficient
Cures quickly at ambient conditions, enabling same-day processing and lamination in most climates. - Precision-Ready
Its high thixotropy allows controlled application even on detailed or vertical geometries without slumping. - Reliable Surface Integrity
Excellent chemical and thermal stability ensures longevity even under repeated demolding stress.
🛠️ How to Use
- Surface Prep: Ensure the master/model is free from contaminants and release agents.
- Mixing: Combine 100 parts resin to 14 parts hardener (by weight) thoroughly.
- Application: Use a brush or spatula to apply an even 1–2 mm coating.
- Curing: Allow to cure at room temperature in a clean, dust-free environment.
- Topcoat/Lamination: For mold making, follow with glass fiber layup once tack-free.
📦 Packaging & Availability
- Supplied in easy-to-handle packs suitable for manual and professional applications.
- Custom bulk quantities available upon request.
⚠️ Storage & Safety
- Store in original, tightly sealed containers at 18–25°C.
- Use standard PPE including gloves and eye protection.
- Refer to the SDS for detailed safety and disposal information.
MR. JO Gelkot-WHT is the trusted gelcoat for professionals working in ceramics, composites, foundries, and model-making. Its fast cure, abrasion resistance, and excellent chemical stability, combined with a visually clean white finish, make it the go-to epoxy gelcoat for applications where appearance meets performance. Designed to deliver strong, stable, and smooth surfaces — every time.
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