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Epifanes Interimcoat+
At a glance
- 2-component epoxy primer
- For below the waterline
- Suitable for antifouling
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Epifanes Interimcoat+ is a two-component epoxy primer specifically developed as a bonding layer for antifouling. The primer adheres excellently to a variety of substrates, dries quickly, and is highly impact-resistant. Ideal for application below the waterline on pre-treated bare polyester, it is also suitable over epoxy coating systems on wood and steel.
After applying Interimcoat+ to the underwater hull, all common antifouling paints can be applied from 8 hours up to a maximum of 7 days later.
Features of Epifanes Interimcoat+
- Two-component epoxy primer for below the waterline.
- Excellent adhesion to various substrates.
- Fast-drying and impact-resistant.
- Can be overcoated with all common antifouling paints after 8 hours.
Directions for use
Follow the instructions below to apply Epifanes Interimcoat+ easily:
- Prepare the substrate according to the technical documentation. Use Epifanes HB Coat and/or Epifanes Epoxy Primer for this purpose.
- Degrease the surface and sand it.
- Mix component A and B together in a mixing cup at a ratio of 100:25 (by volume).
- Stir both components thoroughly and allow the mixture to react for 15 minutes. Then stir again, taking care not to incorporate air.
- If desired, add 5–10% Epifanes D-601 thinner after mixing.
- Apply the epoxy primer with a brush, nylon roller or spray gun. Ensure an adequate layer thickness to promote smooth flow.
- Do not apply this product wet-on-wet, and avoid thicker layers than recommended to prevent sagging and curing problems.
- Allow the primer to cure for at least 8 hours before overcoating with Epifanes Copper Cruise antifouling*.
*Note: if the primer is overcoated after more than 7 days, we recommend degreasing the surface first with Epifanes Cleaning Thinner and sanding with P150–P180 grit.
Specifications
Contents: 0,75kg, 5kg
Base: epoxy resin with polyamid hardener
Gloss: semi-gloss
Colour: grey
Density: 1.40 kg/dm3 (at 20°C)
Solid content: 75 ± 2 vol. %
VOC content: 454 g/l
Mixing ratio: 100: 25 (by volume)
Pot life: 2-3 hours (at 20°C)
Touch dry: 1 hour (at 20°C)
Recoatable: min. 8 hours, max. 7 days (at 20°C)
Recommended film thickness: 100 μm wet = 75 μm dry
Coverage: 8m2/l
Thinner: Epifanes verdunning D-601
Application: brush, nylon roller or spray gun
Application temperature: 12°C - 28°C
Recoatable with: Epifanes Copper Cruise
Shelf life: at least 2 years in unopened original packaging from the date of production, provided it is stored at temperatures between 5°C and 30°C.
Product properties
The key technical properties clearly listed in one place.
- Article number
- LAK002322
-
The technical product category, such as primer, resin, hardener or cleaner. It explains the product's purpose and helps you find other products with a similar function.
- Primer
-
Gloss level indicates how much light a dry paint or coating reflects and how the finished surface looks.
- Matt: little reflection and a subdued appearance.
- Satin: a gentle sheen between matt and high gloss.
- High gloss: stronger reflections and a more pronounced colour, although surface imperfections may become more visible.
Gloss can be measured in gloss units (GU) at a specified angle. Terms such as matt and satin do not necessarily mean exactly the same thing across manufacturers. Substrate condition and application also affect the final appearance.
- Does not apply
-
The recommended layer thickness is the thickness at which you apply each coat of paint, coating or resin. It is usually given in micrometres (µm) or millimetres (mm).
- Wet film thickness: the thickness immediately after application.
- Dry film thickness: the thickness after drying or curing.
For a coating with 60% solids by volume, a wet film of 100 µm will theoretically produce a dry film of approximately 60 µm. Film thickness affects coverage, protection and drying. Always check whether the manufacturer specifies wet or dry film thickness.
- 100 µm wet (= 75 µm dry)
-
The recommended application temperature range indicates the conditions under which the product can generally be applied and cured properly. Three temperatures matter:
- Air: the temperature in the workshop or outdoors.
- Substrate: the temperature of the surface being treated.
- Product: the temperature of the resin, adhesive or coating itself.
A cold substrate can cause condensation and affect adhesion. At higher temperatures, two-component products may react faster, reducing their working time. Check the dew point and follow the product instructions.
- 12-28 °C
-
The chemical base describes the chemistry of an adhesive, sealant, resin or coating, such as epoxy, polyester, polyurethane, (methyl)methacrylate or a hybrid polymer. It affects curing, flexibility and adhesion. Products with the same chemical base are not necessarily suitable for the same applications.
- Epoxy resin with polyamide hardener
-
Density describes the mass of a material per unit volume. Values may be given in g/cm³, kg/L or kg/m³; 1 g/cm³ equals 1 kg/L. For example, one litre of a liquid with a density of 1.2 kg/L weighs approximately 1.2 kg. Density helps convert between weight and volume, but it can vary with temperature.
- 1.4 kg/dm³ (20 °C)
-
The period for which an unopened product remains usable under the specified storage conditions. Check whether the period starts from the manufacturing date or another date. Shelf life may be shorter after opening, especially for products sensitive to air or moisture.
- At least 24 months
-
Mixing ratio indicates how much of each component is needed, for example resin (A) and hardener (B). A ratio of 100:50 by weight means 100 grams of A to 50 grams of B; by volume you might use millilitres. Weight and volume ratios are not necessarily the same because the components may have different densities. Accurate measuring is important for proper curing.
- 4:1 (by volume)
-
The overcoating interval tells you when the next layer of paint, varnish or coating may be applied. Many multi-coat systems specify both a minimum and a maximum interval:
- Minimum overcoating time: the previous layer is dry or cured enough to accept another coat.
- Maximum overcoating time: the period during which the next coat can bond without extra surface preparation under the stated conditions.
Overcoating too early can affect drying or the finish. Once the maximum interval has passed, cleaning and sanding may be needed to ensure adhesion between coats. Temperature and film thickness affect the waiting times.
- At least 8 hours, at most 7 days (20 °C)
-
A paint or varnish layer is dust-dry when settling dust is less likely to stick to the surface. It may not yet be touch-dry, ready for overcoating or suitable for loading; these are different stages of drying and curing.
- 1 hour (20 °C)
-
Solids content is the proportion of material remaining after volatile components have evaporated from a coating. It is stated as a percentage by weight or by volume (%); these are not interchangeable. Volume solids content helps estimate dry film thickness: with 60% volume solids, a 100 µm wet film will theoretically produce approximately 60 µm of dry film.
- 75 ± 2 vol.%
-
Consumption or coverage describes how much product is needed for a given surface area. Consumption may be stated in g/m² or kg/m², while coverage is often given in m²/L or m²/kg. A consumption of 0.2 kg/m² means a theoretical 200 grams per square metre. Actual use depends on film thickness, substrate absorbency, application method and waste.
- 8 m²/L
-
A specific thinner that can be used, where permitted, to adjust a product's application properties or viscosity. The correct thinner and maximum quantity depend on the product. Incorrect thinning can affect coverage, drying and curing.
- Epifanes D-601
- Net contents
- 5 kg, 750 g
-
The application or processing methods specified by the manufacturer, such as brushing, rolling, spraying, casting or hand laminating. The chosen method can affect consumption, layer thickness and finish.
- Brush, Air spray, Nylon paint roller, Pile roller
-
Working time is the period during which a product remains workable after mixing or activation, usually given in minutes at a specified temperature, often 20 °C. With reactive resins, the chemical reaction also continues in the mixing container, and larger quantities or higher temperatures can shorten this time. Working time is different from gel time and full curing time.
- Approximately 120-180 minutes (at 20 °C)
-
VOC content (volatile organic compounds) indicates the amount of these substances in a product, usually expressed in g/L (grams per litre). They may evaporate during application and drying. The value describes the composition, but actual exposure also depends on how much is used, ventilation and the application method.
- 454 g/L
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