Winbond PUR Sealer 300ml Cartridge
The do-everything polyurethane sealer for vehicle repair and conversion. Winbond PUR Sealer (Emfimastic PU 50) is a single-component, fast-curing, moisture-curing polyurethane elastomeric adhesive/sealant used across the automotive repair industry for seams, joints, trims and panel bonding.
- Single-component – no mixing, cures with ambient moisture; highly elastic joint (>700% elongation) with excellent tear and weather resistance
- Bonds and seals plywood, anodized aluminium, coated metals, steel, polyester (GRP) and concrete
- The campervan converter’s gap-filler: floor seams, wheel arches, roof vents, cable glands and panel joints
- Overpaintable when cured with water-based paints (test solvent-based paints first)
- CE marked to EN 15651-1 & EN 15651-4; marine fire-resistance certified; A+ indoor air emissions
- Black, 300ml cartridge fits standard skeleton guns
Technical Data Sheet (PDF) · Safety Data Sheet (PDF) · Technical guidance: 01455 559889.
Per cartridge; also sold as a box of 25. See the 600ml sausage for high-usage workshops.
Chemistry: single-component moisture-curing polyurethane · Colour: black · Skin formation: approx. 60 min (23°C/50% RH) · Cure rate: 4mm/24h · Shore A hardness: approx. 45 · Elongation at break: >700% · Tear strength: approx. 12 N/mm · Application temperature: +5 to +35°C · Temperature resistance (cured): -40 to +90°C · UV resistance: good · Weatherability: excellent · Overpaintable (cured): water-based paints yes, solvent-based test first · Certification: CE EN 15651-1 (F EXT-INT CC) & EN 15651-4 (PW EXT-INT CC), marine equipment fire-resistance certificate, A+ indoor air emissions · Shelf life: 12 months below 25°C
Technical Data Sheet (PDF)
Safety Data Sheet (PDF)
Further technical support: 01455 559889 or sales@winbond-int.com

