Fiberglass Ceiling-Concealed B
Description:
The tiles are manufactured from high density fiberglass wool. The visible face has a decorative fiberglass tissue and the back of the tile is covered with normal tissue. The edges of two are square, while the other two are concealed. The tiles will cover the suspension system after installation. but this kind of tiles can not be trimmed and installed compared with Type A.

Dimension:600*600*20mm,600*1200*20mm
　
Installation:
◆use exposed grids, grids width:15mm or 24mm
◆tiles can not be trimmed  and installed
◆both inches and centimeters grids are available
Applications: classrooms, offices, shopping center, etc.
 Main Advantages:
◆non-combustible              ◆no sagging, wrapping or delaminating
◆green building material    ◆excellent sound absorption 
　
 Technical data:
 ◆material : torrefaction compounded high density fiberglass wool
 ◆face: special painting laminated with decorative fiberglass tissue
 ◆color: white, black and others to order
 ◆fire-resistant: Class A, non- combustible according to GB9624-1997
   tested by China’s Authority Inspection Center
 ◆thermal-resistant: ≥0.5 (m2·k/w)
 ◆humidity: dimensionally stable with RH up to 95% at 40℃,no sagging,
 wrapping or delaminating
 ◆ moisture rate：≤1%(JC/T670-2005)              
 ◆environmental impact: tiles and packing are fully recyclable
 ◆safety: limit of radionuclide in building materials
  specific activity of 226Ra: Ira≤1.0
 specific activity of 226Ra, 232Th, 40K: Ir≤1.3