Description:

Engineered for high-end residential and commercial installations, BILIN A3 Foam is a professional-grade polyurethane foam that delivers robust adhesion and precision gap sealing. What sets it apart is its unique temperature-adaptive formula: it remains non-shrink under high temperatures (up to 70°C) and maintains flexibility in low temperatures (-25°C), avoiding cracking or detachment in harsh environments. It cures rapidly to form a firm yet slightly flexible bond, making it ideal for door/window installations and custom woodwork projects where dimensional stability is critical. Compatible with wood, aluminum alloy, and UPVC substrates, it ensures neat and durable results for premium construction projects.

Features & Benefits:

Closed cell structure: Low water absorption, balances rigidity with flexibility
Excellent waterproof effect: Seals window sills and door frames to prevent water seepage and mold
Professional installation performance: Matches precision foam guns for controlled expansion
User-friendly application: Easy to trim after curing for a clean finish
Moderate expansion rate (20x): Prevents frame deformation during installation
Ultra-fast curing: Tack-free in 5 minutes, enables immediate finishing work
Efficient sound dampening & thermal insulation: Improves indoor comfort by reducing noise and heat loss
Targeted adhesion: Bonds strongly to wood, UPVC, and aluminum for custom woodwork
High stability: No shrinkage, maintains sealing integrity for over 15 years
Paintable & sandable: Compatible with various paints and coatings for seamless aesthetics

Application:

Installation of high-end wooden and aluminum window frames
Sealing and mounting of sound-insulated door frames in villas and offices
Filling small cavities in interior decoration projects
Sealing of roof skylight openings and attic ventilation ports
Creation of soundproof screens for home theaters and study rooms
Mounting and sealing of custom woodwork window frames
Connecting lightweight insulation materials to residential roof structures
Soundproofing layer application for household fans and small motors
Improving thermal insulation for household refrigeration units
Installation and sealing of split-type air conditioners
Bonding of decorative insulation panels for interior walls

Technical parameters: