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Okatmos® star 150 Plus
Pressure Sensitive / Releasable Adhesive
- Solvent-free for safer, eco- friendly application
- Effortless application with excellent spreadability
- Ideal for LVT, planks and carpet tile
- Offers both releasable and permanent bond installation options
- Compatible with most resilient floor coverings
- Extremely low VOC for improved indoor air quality
- Low-Emission Certified: EMICODE EC 1Plus classification ensures very low VOC emissions,
- supporting healthy indoor air quality
- Enhanced with Kiesel Breathe Easy Technology and anti-microbial protection
- VOC - 11.6 g/l
A high-tack, pressure-sensitive acrylic polymer-based fixation formulated for easy application by trowel or roller. Ideal for removable carpet tiles with felt, fleece, or textile backings. Provides excellent initial grab and reliable performance across a range of resilient flooring types.
Recommended Applications:
- LVP / LVT (Luxury Vinyl Plank / Tile)
- VCT (Vinyl Composition Tile)
- Vinyl-backed carpet tiles
Approved substrates:
- Cementitious screeds that are clean, dry, structurally sound, and prepared in accordance with relevant industry standards
- Floor-levelling compounds (cement-based or gypsum-based) applied over suitable subfloors to correct surface irregularities
- Properly prepared metal substrates
- Existing resilient floor coverings (e.g., linoleum and ceramic tile), provided they are securely bonded and free of waxes, finishes, or bond-inhibiting contaminants
All substrates must meet the requirements of VOB Part C, DIN 18 365 and relevant local installation standards.
Substrates must be clean, flat, dry, structurally sound, and free from dust, oil, grease, waxes, curing compounds, sealers, paint, and any other bond-inhibiting residues.
Surface irregularities, including cracks, holes, high spots, or uneven transitions, must be corrected using a cement-based, polymer-modified patching or leveling compound, applied per the manufacturer’s instructions.
For highly absorbent substrates, apply a primer such as Okatmos® UG 30, Okatmos® DSG, Okatmos® EG 20, Okamul PU‑V Rapid, or Okapox GF first (refer to each product's datasheet for detailed instructions). Priming is essential to control porosity and prevent the adhesive from being absorbed too quickly. Do not apply adhesive directly over the primer. Instead, cover the primed surface with a patching or self-leveling compound, using the thickness specified in the relevant product datasheet.
When installing over vapor‑tight coverings, build up the levelling compound to the minimum thickness specified in the compound’s datasheet to ensure reliable adhesion and moisture management. Following these steps will provide an ideal, load‑bearing surface for subsequent adhesive application and floor‑covering installation.
Moisture levels must be tested and documented prior to installation. Acceptable levels are:
≤ 10 lbs/1000 ft²/24 hrs (per ASTM F1869 – Calcium Chloride Test)
≤ 90% RH (per ASTM F2170 – In-situ RH Test)
Maintain a consistent ambient temperature of +17°C to +30°C (63°F to 85°F) and relative humidity between 30–50% before, during, and after installation.
Application Guidelines
- Mix thoroughly before use if product separation has occurred.
- Maintain ambient conditions between +17°C and +30°C (63°F to 85°F) and relative humidity between 30–50% throughout application and curing.
- Apply adhesive using a suitable roller or a 1/32" x 1/16" x 1/32" U-notch trowel, depending on the substrate and installation requirements.
Installation Over Absorbent Substrates
- For a permanent bond, place the flooring into the adhesive within the flash time, while it is still wet or semi-wet.
- For a releasable bond, allow the adhesive to dry to a clear, tacky film before installing the flooring.
Installation Over Non-Absorbent Substrates
- Always allow the adhesive to fully dry to a tacky state before placing the flooring.
- Once dry, press the flooring into place and roll immediately to ensure full adhesive transfer.
Drying & Working Times (at 20°C / 68°F, 65% RH)
| Installation Type | Flash/Tack Time | Working Time |
| Permanent (Wet-set) | Up to 20 minutes (flash) | Up to 40 minutes |
| Releasable (Tack-set) | 45–60 minutes (tack) | 8–14 hours |
Note: Higher temperatures and lower humidity will reduce flash and working times. Lower temperatures and higher humidity will extend them.
Post-Installation
- Roll flooring with a 100-lb (45 kg) three-section roller or as recommended by the flooring manufacturer.
- Avoid foot traffic and heavy rolling loads for 24 hours to allow for proper adhesive curing.
Color
White
Application
Interior use only
Substrate temperature
+15°C to +30°C /
63°F to 85°F
Suitable
Vapor permeability
≤ 10 lbs (ASTM F1869) / ≤ 90% RH (ASTM F2170)
8-10 hours
Processing time*
| Application Type | Flash-Off / Tack Time | Working Time |
| Permanent (Wet-Set) | Up to 20 minutes | Up to 40 minutes |
| Releasable (Tack-Set) | Tack Time: 45 minutes | 12–14 hours |
| Full-Tack Method (General) | Tack Time: 45–60 minutes | Up to 8 hours |
EMICODE®
EC 1Plus (very low emission – GEV)
D 1 (TRGS 610 compliant)
1,6 g/L
12 months, frost-free conditions
*
At 68 °F (+20 °C) and 65% relative humidity. Higher temperature and low humidity decreases, lower temperature and high humidity increases this value respectively.
Shelf Life & Storage
- Shelf Life: 12 months from date of manufacture
- Storage Conditions: Store in a cool, dry, frost-free environment in the original, tightly sealed packaging
- Protect from extreme temperatures and direct sunlight
- Do not allow product to freeze
| Trowel type | Coverage per (g/m²) | Coverage per 3.35 gal (ft²) |
|---|---|---|
German TKB A2 (German trowel) Approx.: ³⁄₆₄" × ¹⁄₁₆" × ³⁄₆₄" | 200 | 720–920 |
| Moltoprene/velour/short-pile roller | 128–203 | 711–1,122 |
| Round notch ¹⁄₁₆" x ¹⁄₃₂" x ¹⁄₃₂" | 163–215 | 529–697 |
| Round notch ¹⁄₁₆" x ¹⁄₁₆" x ³⁄₃₂" | 210–237 | 456–513 |
| Square notch ¹⁄₁₆" x ¹⁄₁₆" x ¹⁄₁₆" | 210–314 | 355–530 |
Coverage may vary based on substrate texture, porosity, and application technique.
Clean tools and equipment immediately after use with clean water. Do not allow adhesive to dry on tools.
| Description | Item No. | |
|---|---|---|
| 33 x 15 kg / 3.35 U.S. gal / 12.7 Liters plastic pail pale | 80169 |
The aforementioned information, especially the proposals for processing and utilizing our product, is based on our knowledge and experience. We recommend that you carry out your own tests in every case to ensure the suitability of our products for the intended process and processing purposes because of the different materials and the working conditions which lie beyond our area of influence. No liability can be derived from this advice or from verbal advice, unless we are responsible for (criminal) intent or gross negligence in this respect.