Features of perlite fire door core board:
◆ Natural environmental protection, non-toxic and non-radioactive
◆ Fireproof, moisture-proof and corrosion-resistant
◆ Light weight, heat insulation, sound absorption, good heat preservation
◆ Beautiful, economical and convenient (can be installed, attached to or embedded in the structure
◆ It can be cut, planed and sawed, and has high plasticity, which can meet the different needs of practical applications.
Performance of perlite fire door core board:
◆ Density (D): 200-250kg/cm3
◆ Flexural strength: ≥8MPa
◆ Compressive strength: 0.35-0.8 (Mpa)
◆ Thermal conductivity: ≤0.035-0.076W/(m.k)
◆ Moisture content (%): ≤10
◆ Swelling rate (%): ≤0.25
◆ Fire resistance limit: 0.6-2h
◆ Flame resistance temperature: 1300℃
◆ Sound absorption coefficient: 0.03-0.8
