Penguard Express WF II Waterborne Fast-Drying Epoxy High-Build is a waterborne coating. Industrial protective coatings: suitable for steel structures and pipelines at corrosive category C5 (ISO 12944-2) and below. As part of a complete waterborne industrial coating system, it is recommended for use with Jotun-recommended waterborne topcoats. Parameters on this page: volume solids 55 ± 2%, dry film thickness 80-200 µm, theoretical spreading rate 6.9-2.75 m²/L. Comparable models from the same brand: Penguard Express WF waterborne fast-drying epoxy high-build, Penguard Sealer WF waterborne epoxy sealer, Jotatop EP10 WF waterborne epoxy ester primer/topcoat EP10.
Parameter source: JOTUN original technical data sheet (TDS) for Penguard Express WF II Waterborne Fast-Drying Epoxy High-Build; spreading rate and other values are converted from TDS parameters and provided for product 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 | 55 ± 2% |
|---|---|
| Dry Film Thickness | 80–200 µm |
| Theoretical Spreading Rate | 6.9-2.75 m²/L |
| VOC | 80 g/L (China) |
| Density / Specific Gravity | 1.35 kg/L |
| Number of Components | Two-component |
| Flash Point | 100 °C |
| Thinner | Deionised water |
| Mixing Ratio | 2.35 parts : 1 part (by volume) |
For more Q&A on selection, application, acceptance and defect diagnosis, seeFAQsection.
Penguard Express WF II
The product is a two-component waterborne epoxy anticorrosive coating. It is a general-purpose fast-drying product containing a flash rust inhibitor. It can cure at temperatures as low as 5 °C. Specifically designed for new construction projects requiring fast drying and a specified recoating time. It can be used as a primer or intermediate coat in atmospheric environments. Suitable for properly prepared carbon steel, aluminium, concrete, stainless steel and galvanised steel substrates. As part of a complete waterborne industrial coating system, it is recommended for use with Jotun-recommended waterborne topcoats. A micaceous iron oxide (MIO) version is available.
Marine coatings:
Recommended for accommodation areas and machinery spaces.
Industrial protective coatings:
Suitable for steel structures and pipes in corrosivity categories up to C5 (ISO 12944-2). Recommended for refineries, power stations, bridges, buildings and mining equipment.
Others
Grey, red, white, micaceous iron oxide
| Property | Test / Standard | Description |
| Volume Solids | ISO 3233 | 55± 2 % |
| Gloss (GU 60°) | ISO 2813 | Matt (0–35) |
| Flash Point | ISO 3679 Method 1 | 100 °C |
| Density | Theoretical Value | 1.35 kg/L |
| Region | Regulations | Test / Standard | VOC Value |
| US | CARB(SCM)2020 / SCAQMD rule 1113 | Calculation | 70 g/L |
| EU | European Paint Directive 2004/42/CE | Calculation | 28 g/L |
| China | Mandatory national standard of China | GB 30981.2-2025 | 80 g/L |
| Coating hazards GB | 30981.2-W-Pb≤1000-NC |
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 |
|---|
Typical recommended specification range
| Dry Film Thickness | 80–200 µm |
| Wet Film Thickness | 145-365 µm |
| Theoretical Spreading Rate | 6.9-2.75 m²/L |
Surface Preparation
| Substrate | Minimum | Recommended |
| Carbon Steel | St 2 (ISO 8501-1) | Sa 2½ (ISO 8501-1) |
| Aluminium | The surface should be blasted with a non-metallic abrasive, | “Blast clean using an approved non-metallic abrasive |
| hand- or machine-sanded using abrasive paper or fibre discs, | to produce a sharp angular surface profile.” |
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. | |
| Concrete | Curing time of at least 4 weeks. Maximum moisture 5%. For existing | Curing time of at least 4 weeks. Maximum moisture 5%. Seal with |
| Concrete surfaces: sanding, needle gun and mechanical grinding | Closed-circuit blasting, diamond grinding and other suitable methods | |
| and similar, by mechanical treatment | to treat the surrounding concrete surface to remove laitance. | |
| Stainless steel | The surface should be blasted with a non-metallic abrasive, | “Blast clean using an approved non-metallic abrasive |
| hand- or machine-sanded using abrasive paper or fibre discs, | to produce a sharp angular surface profile.” |
This product may be applied by the following methods
| Spray: | Apply by airless spray. |
| Brush: | Recommended for touch-up and small-area application. Take care to achieve the specified dry film thickness. |
| Roller: | Recommended for small-area application. Ensure that the specified dry film thickness is achieved. |
| Penguard Express WF II Comp A — Water-Borne Fast-Drying High-Build Epoxy, Component A | 2.35 parts |
| Penguard Express WF II Comp B — Water-Borne Fast-Drying High-Build Epoxy, Component B | 1 part |
| Thinner | Deionised water |
|---|
Maximum thinning
| Air spray | 15% |
|---|---|
| Airless Spray | 10% |
Metal ions in tap water may cause early anti-corrosion failure.
If deionised water is not available, clean fresh water may be used instead. If thinning with water is required, it should be carried out after Components A and B are mixed and stirred thoroughly.
Thinning:
Pay attention to the amount of water added; over-thinning will slow drying. If the amount of water added exceeds the maximum recommended amount, defects such as flash rusting, sagging, blistering, cracking and poor curing may occur, especially in high-humidity and poorly ventilated environments.
| Nozzle tip size (inch/1000): | 17-23 |
| Nozzle pressure (minimum): | 150 bar/2100 psi |
| Substrate Temperature | 5 °C | 10 °C | 23 °C | 40 °C |
| Touch Dry | 6 h | 5 h | 2.5 h | 1 h |
| Walk-on Dry | 24 h | 20 h | 8 h | 5 h |
| Minimum recoat interval | 24 h | 20 h | 8 h | 5 h |
| Dry/cured to service | 15 days | 12 days | 7 days | 3 days |
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 80%, 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.
Dry/cured to service: the minimum time before the coating can be permanently exposed to a specific environment/medium.
| Paint temperature | 5 °C | 10 °C | 23 °C | 40 °C |
| Pot Life | 1.5 h | 1 h | ||
The pot life of the product is clearly visible.
Temperature
| Continuous | Peak | |
| Drying, atmospheric | 120°C | 140 °C |
Withstands peak temperatures for a maximum of one hour.
At the above temperatures, protective performance is unaffected, but appearance may be affected.
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: | Inorganic zinc shop primer, epoxy, modified epoxy, zinc-rich epoxy, zinc silicate |
| Subsequent coat: | Epoxy, acrylic, polyurethane, polysiloxane |
| Volume | Container Size | |
| (L) | ||
| Penguard Express WF II Comp A — Water-Borne Fast-Drying High-Build Epoxy, Component A | 11.8 | 20 |
| Penguard Express WF II Comp B — Water-Borne Fast-Drying High-Build Epoxy, Component B | 5 | |
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.
| Penguard Express WF II Comp A — Water-Borne Fast-Drying High-Build Epoxy, Component A | 12 months |
| Penguard Express WF II Comp B — Water-Borne Fast-Drying High-Build Epoxy, Component B | 24 months |
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.
