Hempel Classic Antifouling
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At a glance
- Hempel's Classic 71220
- Self-polishing antifouling
- Contents: 750 ml & 2.5 ltr
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Hempel Classic Antifouling is an efficient self-polishing antifouling for slow-moving motor yachts. Hempel Classic provides excellent protection in all seasons and is suitable for various boats. The antifouling is suitable for polyester, wood and steel boats. The self-polishing Hempel antifouling is not suitable for aluminium or other light metal alloys.
Benefits of Hempel Classic
- Self-polishing antifouling (does not build up layer thickness).
- Easy to apply.
- Suitable for most boats (polyester, wood, steel).
- Suitable for fresh water.
Directions for use
Hempel Classic 71220 is easy to apply by brush, roller or paint pad. The minimum application temperature is 5°C. Avoid working in direct sunlight.
- Always ensure that the surface is lightly sanded, clean, grease-free and dry before applying Hempel Classic.
- Ensure that the surface has been properly pre-treated so that the antifouling will function optimally. Treat untreated surfaces with Hempel Underwater Primer. Do the same if the old antifouling is in poor condition.
- Stir the contents well to obtain a uniform colour. This is because the antifouling contains heavy particles.
- Apply 1 coat of Hempel Classic with a dry film thickness of 40 µm. If necessary, add up to 5% thinner to aid application.
- Apply an additional coat around the waterline and to wear-sensitive areas.
- After approximately 4 hours (at 20°C) the antifouling is dry to the touch and ready for recoating.
- The boat can be launched after approximately 24 hours and up to a maximum of 1 month.
Note: always wear protective clothing, gloves and a suitable vapour mask when working with Hempel Classic Antifouling!
Specifications
Contents: 0.75 L and 2.5 L
Colour: black, red, blue
Finish: semi-matt
Coverage: approx. 12.5 m2/L
Dry to touch: 4 hours (at 20°C)
Recoatable: 4 hours (at 20°C)
Application method: brush, roller or paint pad
Thinner: Hempel Thinner 808 (No. 3)
For more properties, please refer to the technical documentation for Hempel Classic 71220.
Product properties
The key technical properties clearly listed in one place.
- Article number
- BOO001194
-
The materials, substrates or tasks a product is intended for. A general claim such as 'suitable for plastics' does not mean it works with every type of plastic; the specific substrate and its preparation still matter.
- Polyester boten, Stalen-boten, Houten boten
-
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.
- Self-sharpening antifouling
-
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.
- 4 hours (20 °C)
-
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.
- Approximately 12.5 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.
- Hempel Thinner 808 (No. 3)
- Net contents
- 2.5 L, 750 ml
-
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, Roller, Paint pad
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