Specifications
(1)natural wood veneer skin(2)high quality painting
(3)rock wool&gypsum infilling
1.?Feature
Perlite fire door core?is consisting of expanded perlite and inorganic glue. With the chatacters of light(kow bulk density), high hydrophobe rate , high strength, low thermal conductivity and easy-to use, Hydrophobel perlite board/ tiles are widely used in roof, wall, barns? as core of wooden fire door and steel fire door.
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2.?Main performance
1) Thermal conductivity: 0.03 ~ 0.076 W/(m.k)???
2)?Temperature-resistance : 1300 ()?
3) Compressive strength: 0.35-0.8(Mpa)??????????????? ?
3)?Sound-absorption coefficient: 0.03-0.8
4) Density: 200 ~ 300 (kg/m3)?????????? ??? ?????????
5) Wet expansion rate(% )≤0.25
6) Wet expansion rate(%) ≤0.25???????????????? ????????
7) Anti- bend intensity ≥8Mpa