
About the product
JUNO J33 OPAK White
JUNO J33 OPAK White is a high-performance water-based paint made from acrylic copolymers. Its extra-matte finish minimizes reflections and conceals imperfections on ceilings and large wall surfaces. Formulated with anti-mold preservatives and with low splatter for cleaner work. Suitable for interior and exterior in mild climates.
🔸 What is it?
Acrylic plastic coating for walls and ceilings, designed to offer maximum coverage and washability while maintaining a high-quality visual extra-matte finish.
✨ Advantages
- Class 1 in hiding power (UNE-EN 6504-3) and washability (UNE-EN ISO 11998).
- Extra-matte finish that prevents glare and reflections; ideal for long ceilings and brightly lit rooms.
- Anti-splatter and excellent brushability: cleaner and faster application.
- Breathable and with good adhesion on mineral substrates.
- Does not contribute to fire: classification B-s1,d0 (UNE 13501-1).
🧰 Recommended uses
- Interior: homes, long ceilings, areas with high aesthetic control.
- Exterior (mild climates): facades, patios, warehouses.
🖌️ How to use
- Substrate preparation: firm, dry, clean, and free of dust/grease. Prime highly absorbent or powdery surfaces.
- Tools: brush, roller, or spray gun.
- Dilution: water up to 20% on the first coat depending on absorption; second coat, minimal dilution.
- Number of coats: 2 (or until uniformly covered).
- Conditions: avoid strong drafts, high humidity, or risk of condensation.
📊 Technical specifications
| Finish | Extra-matte |
| Color | White |
| Coverage | 10–12 m²/L per coat (depending on substrate) |
| Touch dry | ≈ 30 min |
| Recoat time | Min. 4 h · Max. unlimited |
| Thinner | Water (max. 20%) |
| Washability | Class 1 · UNE-EN ISO 11998 |
| Hiding power | Class 1 · UNE-EN ISO 6504-3 |
| Reaction to fire | B-s1,d0 · UNE 13501-1 |
| Viscosity | ≥ 100 P (S/FR1007) |
| Density | 1.57 ± 0.05 g/cc (S/FR1001) |
| Solids by volume | 44 ± 2 % (theoretical, white) |
| Max VOC | ≤ 30 g/L |
| Tinting | Juno Universal colorant (max. 3%) |
| Use | Interior · Exterior (mild climates) |
✅ Application tips
- For very brightly lit ceilings, work wet-on-wet to avoid lap marks.
- Regulate absorption with an appropriate primer if the surface is very porous or powdery.
- Respect recoat times to maintain a uniform extra-matte finish.
1) Sube una foto
La foto se procesa en tu navegador. No se sube a ningún servidor.
2) Toca la pared para seleccionarla
22
Tip: si selecciona demasiado, baja tolerancia. Si selecciona poco, súbela y toca dentro de la pared.
Usa “Añadir zona” para completar y “Quitar zona” para corregir.
3) Elige el color
Ejemplo: #D8C8A8
70
Nota: resultado orientativo. Puede variar según pantalla, luz y superficie.
Sube una foto para empezar.
Preview the color on your wall
Upload a photo, tap on the wall, and apply a HEX color. Approximate result.
- Sube una foto.
- Toca la pared para seleccionarla (añadir / quitar).
- Elige el color y ajusta la intensidad.
Estado: esperando foto.



















