1>type
A: Standard board
B: Fire-resistant board
C: Water resistant board
D: Imperial size board

2>Gypsum board edge:
A: tapered edge (recessed edge)
B: square edge (straight edge)

3>Color of the surface protective paper:
A: White ------usually for standard board
B: Red ------usually for fire-resistant board
C: Light green------usually for moisture resistant board
D: Light blue ------ usually for moisture resistant board
E: Other colors upon your detailed request.

4>Usage:
A: Ceiling system,
B: Partition system,
C: Dry lining system
5> function:
The property of our products is: fire resistant, moistureresistant, sound insulation, heat preservation, and so on.