Based on continuous research and development, as well as strict
material inspection and quality inspections, Bosslong Yuanji offers
one of the highest standard of sealing function.
Fire & smoke seal has been designed for use in fire resisting
doors to retard the passage of smoke in a fire situation.
Exfoliated graphite core – expansion 20 fold volume once triggered
Pile - 6mm in height from PVC holder which is ideal for sealing the
average gap of 3mm to 4mm between doors and frame.
PVC casing - various colors, Wood grain pattern are available upon
Self adhesive fixing.
|Product Code||Dimension (mm)||Color||Expansion Ratio|