Epifanes
Epifanes Epoxy HB Coat, High-Build Coating, Gray, 750ml, EHBCG.750
Epifanes Epoxy HB Coat, High-Build Coating, Gray, 750ml, EHBCG.750
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Product Description
Epifanes Epoxy HB Coat High-Build Coating, Gray, 750ml (EHBCG.750) is a two‑component, high‑build epoxy coating designed for fast film‑build, superior adhesion, and exceptional anti‑corrosive performance on steel, aluminum, plywood, and fiberglass/GRP. With extremely high solids content and rapid drying characteristics, Epoxy HB Coat allows quick development of a watertight, protective barrier both above and below the waterline.
This coating is ideal for new construction, restoration, anti‑osmosis protection, and maintenance of existing epoxy systems. It can be used inside and outside the hull, on superstructures, wet bilge areas, and underwater surfaces. Available in Black and Gray.
Package includes 600ml Component A and 150ml Component B (4:1) for a total mixed volume of 750ml. Download technical data sheet here.
Features & Benefits
- Two‑component high‑build epoxy coating
- Excellent anti‑corrosive protection on steel
- Outstanding osmosis resistance on fiberglass/GRP
- Fast film‑build due to high solids content
- Rapid drying for quick recoating
- Suitable above and below the waterline
- Compatible with Epifanes epoxy, polyurethane, and antifouling systems
- Available in Black and Gray
Use Cases
- Barrier coat development above and below the waterline
- Anti‑osmosis protection on fiberglass/GRP
- Corrosion protection on steel hulls and structures
- High‑build base layer for new construction or restoration
- Maintenance of existing epoxy systems
- Bilge, interior hull, and underwater surface protection
Epoxy HB Coat vs Standard Epoxy Primers
Epifanes Epoxy HB Coat is formulated as a true high‑build epoxy coating rather than a thin primer. Its extremely high solids content allows rapid film‑build, superior barrier protection, and stronger anti‑corrosive performance compared to standard epoxy primers. This makes it ideal for steel hulls, anti‑osmosis systems, and areas requiring maximum durability.
Technical Information
| Type | Chemical‑drying two‑component epoxy |
| Base | Modified epoxy resin |
| Gloss | Semi‑gloss |
| Color | Gray (Grey) |
| Density | 1.68 g/cm³ (mixed) |
| Viscosity | 100 sec DIN‑cup 4mm |
| Solids Content | 87% ± 2 (vol.) |
| VOC Level | 213 g/L (mixed) |
| Packaging | 625ml Component A + 125ml Component B = 750ml |
| Mixing Ratio | 100 parts A : 20 parts B (5:1 by volume) |
| Recommended Film Thickness | 4–8 mils wet = 3–7 mils dry |
Pot Life After Mixing
| 59°F | 68°F | 77°F |
|---|---|---|
| 4 hours | 3 hours | 1.5 hours |
Drying Times (65% R.H.)
| 54°F | 59°F | 68°F | 77°F | |
|---|---|---|---|---|
| Dust‑Dry | 5 hours | 3 hours | 2 hours | 1 hour |
| Recoatable | 15 hours | 10 hours | 6 hours | 4 hours |
If recoated within 24 hours, sanding is not required. After 24 hours, sand with P120 before applying additional coats.
Application Conditions
- Temperature: 54–82°F
- Relative humidity: 50–75%
- Apply by roller, long‑haired soft brush, or spray
- Do not apply wet‑on‑wet, allow each coat to dry thoroughly before recoating
- Avoid direct sunlight and strong wind
- Surface temperature must be within 5°F of paint temperature
Spray Application Guidelines
| Method | Nozzle | Pressure | Thinning |
|---|---|---|---|
| Air Spray | 1.3–1.6mm | 2–2.5 bar | 5–25% |
| Airless | 0.016–0.018 | 170–250 bar | 0–5% |
Surface Preparation
| Steel | Remove rust, grease, dirt, salts; coarse sand P60–80 |
|---|---|
| Fiberglass/GRP | Degrease with Epifanes Polyester Degreaser; sand P240 |
| Aluminum | Prime new aluminum with Epifanes Washprimer AQ |
| Existing Paint | Clean, degrease with Epifanes Spray Thinner; sand P180–220 |
Coverage
60 ft² per liter at 3 mils dry film thickness. Practical coverage varies with technique and film thickness.
System Build‑Up
- Sand each coat with P120 before recoating (unless within 24 hours)
- Above waterline: 6.5 mils dry film
- Below waterline: 13 mils dry film
- Recoatable with Epifanes Epoxy Primer, Poly‑urethane Primer, Poly‑urethane Yacht Coating
- Below waterline: finish with Epifanes Interimcoat + antifouling
Suitable Fillers
- Epifanes Epoxy Filler 1500
- Epifanes Epoxy Finishing Filler
BuyEpifanes Expert Notes
- High‑build performance. Epoxy HB Coat rapidly builds film thickness, making it ideal for barrier coats and anti‑osmosis protection.
- Exceptional adhesion. Bonds aggressively to steel, aluminum, plywood, and fiberglass when properly prepared.
- Fast recoating. Short drying times allow multiple coats in a single day under proper conditions.
- Professional‑grade corrosion resistance. One of the strongest anti‑corrosive epoxy coatings Epifanes produces.
- Versatile system compatibility. Works seamlessly with Epifanes epoxy, polyurethane, and antifouling systems.
About BuyEpifanes
BuyEpifanes is an authorized master distributor of Epifanes yacht coatings in the United States, supplying the full range of Epifanes varnishes, paints, primers, and specialty marine finishes. As a stocking distributor, we maintain deep inventory across all core Epifanes product lines, ensuring fast order fulfillment, fresh product rotation, and reliable availability for professional boatyards, marine service shops, and DIY varnishers.
Whether you are building a barrier coat, restoring a hull, or maintaining an existing epoxy system, BuyEpifanes offers trusted expertise, fast shipping, and the most complete Epifanes selection available in the U.S.
Category
Epifanes > Epoxy Coatings > Epoxy HB Coat
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