What is EPICON FINISH HB PART A and why choose it?
EPICON FINISH HB PART A is the base component of a high build epoxy finish paint from Chugoku, designed to be combined with a dedicated hardener (Part B). Based on epoxy resin and a polyamide curing agent, it provides excellent durability and adhesion as the final coat in epoxy coating systems. It is suitable for protecting steel ships, bridges and other steel structures, especially where a robust, high build epoxy finish is required.
This product offers a high volume of solids and can be applied in a wide range of film thicknesses by airless spray or brush, allowing efficient application and long-term protection. As with most epoxy finishes, some chalking and fading on UV exposure cannot be avoided.
Main features
- Type: High build epoxy finish paint (two pack system).
- Binder: Combination of epoxy resin and polyamide curing agent.
- Function: Finish coat in epoxy coating systems for steel substrates.
- Substrates: Steel ships, bridges and other steel structures.
- Application methods: Airless spray and brush.
- High build capability: Typical dry film thickness range 30–100 µm per coat.
- Good durability and adhesion: Designed as a protective finish for demanding marine and industrial environments.
- Colour: As specified (except White).
- Two pack product: Part A (base) mixed with Part B (hardener) before use.
- Note: As with epoxy coatings in general, EPICON FINISH HB may exhibit chalking and fading when exposed to UV.
Technical specifications
General data
- Product name: EPICON FINISH HB PART A (Base)
- Brand: Chugoku
- Product code: 556EE (EPICON FINISH HB system)
- Type: Epoxy finish paint, high build
- Packing: Two pack product (Base + Hardener)
Physical data (mixed product)
- Colour: As specified (except White)
- Flash point: 23°C (mix)
- Volume solids: 53 ±2 % (ISO 3233:1998)
- VOC (theoretical): 452 g/l
Surface preparation
- The surface to be painted must be clean and free from rust, dirt, oil, grease or other foreign matter.
- Cleaning can be carried out using power wash, detergent or solvent wipe.
Mixing and thinning
- Mixing ratio (by volume): Base 74 parts : Hardener 26 parts.
- Thinner: EPOXY THINNER A.
- Thinning for airless spray: 0–7 % by volume.
- Mixing procedure: Add the hardener to the base while mixing and stir well before use.
Application conditions
- Application methods: Airless spray, brush.
- Minimum application temperature: -5 °C.
- Maximum relative humidity: 85 % R.H.
Airless spray parameters
- Tip size: Graco 719, 721.
- Paint output pressure: 14.7 – 17.7 MPa.
Film thickness and theoretical spreading rate
- Wet film thickness: 57 – 189 µm.
- Dry film thickness: 30 – 100 µm.
- Theoretical spreading rate: 17.7 – 5.3 m²/l (depending on DFT).
Compatible coatings
- Preferable preceding coating: BANNOH 500, BANNOH 200.
- Preferable subsequent coating: Consultar ficha técnica del fabricante.
Drying and overcoating times (at 100 µm DFT)
Drying times depend on temperature and film thickness. Values below are for 100 µm dry film thickness.
- -5 °C: Surface dry 5.5 h; hard dry 55 h; minimum overcoating interval 55 h; pot life 24 h.
- 0 °C: Surface dry 4.5 h; hard dry 55 h; minimum overcoating interval 44 h; pot life 24 h.
- 5 °C: Surface dry 3.5 h; hard dry 38 h; minimum overcoating interval 24 h; pot life 24 h.
- 10 °C: Surface dry 2.5 h; hard dry 28 h; minimum overcoating interval 18 h; pot life 12 h.
- 20 °C: Surface dry 1.5 h; hard dry 16 h; minimum overcoating interval 10 h; pot life 12 h.
- 30 °C: Surface dry 1 h; hard dry 12 h; minimum overcoating interval 8 h; pot life 8 h.
Notes:
- Maximum overcoating interval is marked as "*" in the technical data; Consultar ficha técnica del fabricante.
- Drying times and overcoating intervals increase with increasing film thickness.
- Before recoating, always ensure the existing film is through dry.
- Application down to -5 °C is possible, but curing is slower and full cure is reached when temperature increases.
Applications and use cases
- Steel ships: Finish coat over compatible epoxy primers and intermediates on steel hulls and superstructures.
- Bridges: High build epoxy finish for steel bridge components where mechanical durability and adhesion are required.
- Steel structures: Final epoxy coat in industrial epoxy systems on structural steel in marine and heavy-duty environments.
FAQ – EPICON FINISH HB PART A
1. What type of coating is EPICON FINISH HB PART A?
It is the base of a two pack, high build epoxy finish paint, cured with a polyamide hardener.
2. Where is this product recommended for use?
As a finish coat of epoxy systems for steel ships, bridges and other steel structures.
3. What is the mixing ratio with the hardener?
The mixing ratio by volume is Base 74 parts : Hardener 26 parts.
4. Which thinner should be used?
Use EPOXY THINNER A, with a typical addition of 0–7 % by volume for airless spray.
5. What is the recommended application method?
Application by airless spray or brush. For airless spray, use Graco 719 or 721 tips and 14.7–17.7 MPa output pressure.
6. What are the typical film thickness and coverage?
The typical dry film thickness per coat is 30–100 µm, corresponding to a theoretical spreading rate of about 17.7–5.3 m²/l, depending on the selected thickness.
7. At what temperatures can this coating be applied?
It can be applied at temperatures down to -5 °C, with a maximum relative humidity of 85 % R.H.
8. Does the coating resist UV light without changes?
No. As with other epoxy finishes, EPICON FINISH HB may chalk and fade on exposure to UV light.
9. What is the flash point of the mixed product?
The flash point of the mixed product is 23 °C.
10. Can EPICON FINISH HB PART A be used alone without hardener?
No. It is a two pack system and must be mixed with the specified hardener at the correct ratio before application.
Section 14 – Transport information
- UN number or ID number: UN 1263
- UN proper shipping name: PAINT
- Transport hazard class: Class 3 (flammable liquid)
- Packing group: II
- Labels: Class 3 flammable liquid label
- Environmental hazards: Not classified as marine pollutant; environmental hazard “No” for ADR/RID/ADN, IMDG and IATA.
- Hazard Identification Number (ADR): 33
- EmS (IMDG): F-E, S-E
- Special precautions for user: Always transport in closed containers that are upright and secure. Ensure that persons transporting the product know what to do in the event of an accident or spillage.
- Maritime transport in bulk according to IMO instruments: Not applicable.
Section 8 – Individual protection measures
The following information is extracted from the Safety Data Sheet for EPICON FINISH HB BASE (Part A):
Engineering controls
- Provide adequate ventilation using local exhaust ventilation and good general extraction.
- If ventilation is insufficient to keep solvent vapour and particulate concentrations below occupational exposure limits, respiratory protection is required.
Respiratory protection
- If exposure could exceed limits, use a half-mask respirator meeting EN 140, fitted with a combined particulate and vapour filter to EN14387 with an assigned protection factor of at least 10 (e.g. A2P3).
- Dry sanding, flame cutting or welding on the dry paint film may generate hazardous dust or fumes; use wet sanding where possible or suitable respiratory protection.
Hand protection
- Use chemical-resistant gloves tested to EN 374.
- For repeated or prolonged exposure, recommended materials include Polyethylene (PE) gloves (minimum thickness 0.062 mm) providing high chemical resistance.
- Nitrile gloves offer good protection during spray application; Viton gloves offer good protection for intensive solvent contact.
- Use PE gloves as under-gloves in difficult situations (high exposure or unknown composition).
Eye and face protection
- Wear safety eyewear tested to EN 16321 / EN 166, designed to protect against liquid splashes.
Skin and body protection
- Wear anti-static clothing made of natural fibre or high-temperature resistant synthetic fibre (EN ISO 13688).
Environmental protection
- Do not allow the product to enter drains or watercourses.
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