Pilot WF Primer Water-borne Acrylic Primer WF is a water-borne coating for use as a primer. Widely suitable for industrial structures, such as airports, buildings, bridges, refineries, petrochemical plants and chemical plant accommodation or working areas. Suitable for suitably prepared carbon steel, stainless steel, aluminium, galvanized steel, shop-primed steel, concrete and many aged coated surfaces. Parameters on this page: volume solids 46 ± 2%, dry film thickness 80–150 µm, theoretical spreading rate 5.8–3.1 m²/L. Comparable models from the same brand: Jota AK15P WF Water-borne Quick-drying Alkyd Primer, Jota AY10 LH Water-borne Acrylic Environment-friendly Topcoat, Jota AY30T WF Quick-drying Water-borne Acrylic Primer/Topcoat.
Parameter source: JOTUN original technical data sheet (TDS) “Pilot WF Primer Water-borne Acrylic Primer WF”; values such as spreading rate are converted from TDS parameters, for selection reference only.
The above content is compiled from the manufacturer's datasheet and this site's parameter tables. For selection, coating systems and lead times, pleaseContact Usfor confirmation.
This page carries the full TDS for this product, translated from the manufacturer's original document. No file download is needed; for an original-language copy, send an enquiry.
| Volume Solids | 46 ± 2% |
|---|---|
| Dry Film Thickness | 80–150 µm |
| Theoretical Spreading Rate | 5.8–3.1 m²/L |
| VOC | GB/T 23986-2009 10.4 34 g/L (China) |
| Density / Specific Gravity | 1.3 kg/L |
| Number of Components | One-component |
| Flash Point | 101 °C |
| Thinner | Water |
| Gloss | Matt (0–35) |
For more Q&A on selection, application, acceptance and defect diagnosis, seeFAQsection.
Pilot WF Primer
This is a one-component water-borne acrylic coating. It is a general-purpose, quick-drying product suitable for exterior and interior use. It can dry at temperatures as low as 5 °C. It is highly suitable for new construction or maintenance requiring quick drying for handling and for recoat intervals. It is suitable as a primer or intermediate coat in medium-corrosive environments. It is suitable for suitably prepared carbon steel, stainless steel, aluminium, galvanized steel, shop-primed steel, concrete and many aged coated surfaces. This product is part of a certified system that does not propagate surface flame.
Industrial protective coatings:
Suitable for use as a primer or intermediate coat in coating systems. Widely suitable for industrial structures, such as airports, buildings, bridges, refineries, petrochemical plants and chemical plant accommodation or working areas.
Marine coatings:
Recommended for use as a primer or intermediate coat in accommodation or engine rooms.
Others
Certified compliant with the low flame-spread requirements of the IMO 2010 FTP Code. For details, consult your JOTUN representative.
Other certificates and approvals are available on request.
White, red, grey, grey XO
| Property | Test / Standard | Description |
| Volume Solids | ISO 3233 | 46± 2 % |
| Gloss (GU 60°) | ISO 2813 | Matt (0–35) |
| Flash Point | ISO 3679 Method 1 | 101 °C |
| Density | Theoretical Value | 1.3 kg/L |
| Region | Regulations | Test / Standard | VOC Value |
| US | CARB(SCM)2020 / SCAQMD rule 1113 | Calculation | 93 g/L |
| Hong Kong | Air Pollution Control (VOC) Regulation | Calculation | 93 g/L |
| EU | European Paint Directive 2004/42/CE | Calculation | 35 g/L |
| China | GB 30981-2020 Limit of harmful substances of industrial protective coatings | GB/T 23986-2009 10.4 34 g/L |
The data listed are based on factory batch production and may vary slightly with colour.
| Gloss description | According to JOTUN's definition of functional coatings |
|---|
VOC content based on grey paint.
Typical recommended specification range
| Dry Film Thickness | 80–150 µm |
| Wet Film Thickness | 175–325 µm |
| Theoretical Spreading Rate | 5.8–3.1 m²/L |
Surface Preparation
| Substrate | Minimum | Recommended |
| Carbon Steel | St 2 (ISO 8501-1) | Sa 2½ (ISO 8501-1) |
| Stainless steel | High-pressure water jetting to Wa 1 (ISO 8501-4) | The surface should be blasted with a non-metallic abrasive, |
| . | Hand or mechanical abrading with fibre machine or hand sandpaper, to produce scratch marks on the surface. | |
| Aluminium | High-pressure water jetting to Wa 1 (ISO 8501-4) | The surface should be blasted with a non-metallic abrasive, |
| . | Hand or mechanical abrading with fibre machine or hand sandpaper, to produce scratch marks on the surface. | |
| Galvanised steel | The surface should be clean, dry and have a suitable profile | Sweep blast with a non-metallic abrasive to produce a clean, |
| ° | a rough and uniform surface. | |
| Shop-primed Steel | Clean, dry and intact shop primer (compliant with ISO 12944-4 clause 5.4). | Sa 2 (ISO 8501-1) |
| Coated surface | A clean, dry and sound compatible primer. | P Sa 2½ (ISO 8501-2) |
| Concrete | On rough, clean, dry, laitance-free surfaces, sweep blast at low | At least 4 weeks of curing time. Maximum moisture 5%. Dry grind |
| Water jetting. | abrasive blast cleaning to SSPC-SP 13/NACE No. 6. |
This product may be applied by the following methods
| Spray: | Apply by air spray or airless spray. | |
| Brush: | Recommended for touch-up and small-area application. Take care to achieve the specified dry film thickness. | |
| Roller: | Suitable for small areas. | Not recommended for the first primer coat. Take care to achieve the specified dry film thickness. |
One-component
| Thinner | Water |
|---|
| Nozzle tip size (inch/1000): | 17-21 |
| Nozzle pressure (minimum): | 150 bar/2100 psi |
| Substrate Temperature | 5 °C | 10 °C | 23 °C | 40 °C |
| Touch Dry | 1 h | 40 min | 30 min | 15 min |
| Walk-on Dry | 3 h | 2 h | 1 h | 30 min |
| Minimum recoat interval | 3 h | 2.5 h | 1 h | |
For the maximum recoat interval, refer to the Application Guide (AG) for this product.
Drying and curing times are determined based on temperature and relative humidity below 85%, with dry film thickness within the average range.
| Touch Dry | The state at which light finger pressure leaves no mark or stickiness. |
|---|---|
| Walk-on Dry | The minimum time after which the coating allows normal foot traffic without leaving permanent footprints, marks or other physical damage. |
Minimum recoat interval after drying: the recommended minimum interval before applying the next coat.
Temperature
| Continuous | Peak | |
| Drying, atmospheric | 80 °C | - |
At elevated temperatures, the dry film gradually softens. Establish correct handling and stacking procedures according to the environmental conditions. Protective performance is unaffected.
The time to reach maximum dry film hardness will be later than the stated drying/curing time that can be handled. Suitable stacking procedures should be considered for coated products, depending on
Depending on the actual exposure conditions in service, this product may be used with various primers and topcoats. Some reference systems are listed below. For specific systems, contact JOTUN.
| Previous coat: | Acrylic, epoxy shop primer, inorganic zinc shop primer, epoxy |
| Subsequent coat: | Acrylic |
| Volume | Container Size | |
| (L) | ||
| Pilot WF Primer Water-borne Acrylic Primer WF | 20 | |
The packaging sizes above are typical reference sizes for factory batch production. Due to regional regulatory differences, packaging sizes and capacities may vary by region.
Store in accordance with national regulations. Keep containers in a dry, cool, well-ventilated place away from heat and sources of ignition. Keep containers tightly closed. Handle with care.
Protect from frost during transport and storage.
Pilot WF Primer 24 months Water-borne acrylic primer WF
In some markets, the stated shelf life may be shortened to comply with local legal requirements. The above is the minimum shelf life; thereafter, testing is required to confirm quality remains acceptable.
For professional use only. Applicators and workers must be trained, experienced, capable and equipped to mix, stir and apply the coating correctly in accordance with JOTUN's technical documents. Applicators and workers must wear appropriate personal protective equipment when using this product. This guidance is provided based on current product knowledge. Any proposed modification to suit site conditions must be approved by the responsible JOTUN representative before use.
Read the safety warnings on the container packaging. Use in well-ventilated conditions. Avoid inhaling spray mist and avoid skin contact. In case of accidental splashes on skin, wash immediately with a suitable cleaner, soap and water. In case of eye contact, rinse thoroughly with water and seek medical attention immediately.
When used primarily as a primer or antifouling coating, products may show slight colour variation from batch to batch. Such products, and epoxy products used as topcoats, may chalk when exposed to sunlight.
Gloss and colour retention of topcoats depend on the colour type, the surrounding environment such as temperature and UV intensity, application quality and product type. Contact your local JOTUN office for further information.
The information in this datasheet is based entirely on knowledge gained in our laboratory and in practice. JOTUN products are regarded as semi-finished products, and their use is generally beyond our control. JOTUN therefore guarantees only the quality of the product itself. To comply with local regulations, the product may be adjusted, and we reserve the right to modify the datasheet without further notice.
Users should consult JOTUN for specific guidance on the suitability of the product for their requirements and applications.
In case of any discrepancy between language versions, the English (UK) version shall prevail.
Information is subject to the manufacturer's latest version; the manufacturer's latest TDS prevails.
The technical parameters on this page are taken from the product's original manufacturer technical datasheet, the copyright of which belongs to the manufacturer. If a rights holder considers the presentation inappropriate, contact us for verification and handling.
Packaging specifications and batch lead times are subject to actual availability. PleaseContact Uscontact us for project-based calculation.
