BoPin 440 is a single-component, moisture-curing MS polymer sealant and adhesive specifically formulated for solid wood and engineered wood floor installation and joint filling. Based on modified silane polymer technology, it cures at room temperature to form a strong, highly elastic rubber that bonds and seals wood floor joints with excellent flexibility. The extended open time allows efficient application across large floor areas before board placement, and the cured body accommodates the natural expansion and contraction of wood flooring without cracking or debonding. Compatible with both solid and engineered wood types including strip flooring, parquet, thick strip, mosaic strip and timber boards.
| Curing System | MS Polymer (moisture cure) |
|---|---|
| Density (g/cm³) | 1.39 |
| Hardness (Shore A) | 40 |
| Tensile Strength | 2.13 MPa |
| Elongation at Break | 469% |
| Cure Rate (depth) | 2.5 mm / 24 hours |
| Skin Formation Time | approx. 46 min |
| Aluminium Bonding | Pass |
| Glass Bonding | Pass |
| Shelf Life | 12 months (unopened, ≤27°C) |
| Color | Customized |
| Application Fields |
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