6. PAPER JOINT TEST: the more less paper is gotten off,
the better joint between paper and gypsum
Commodity
|
Gypsum board
|
Brand name
|
WYMT
|
Thickness
|
12mm
|
Raw materials
|
High Purity Gypsum powder
|
Color
|
Ivory
|
Edge
|
Square or Tapered
|
Size
|
1220mm*2440mm*12mm
|
Item
|
|
Standard
|
Test Value
|
|
Rupture Load(N)
|
Thickness 9.5mm--Vertical
|
≥ 360
|
440
|
|
|
Thickness 9.5mm--Horizontal
|
≥ 140
|
205
|
|
|
Thickness 12mm--Vertical
|
≥ 500
|
590
|
|
|
Thickness 12mm--Horizontal
|
≥ 180
|
212
|
|
Dimension Difference(mm)
|
Length
|
-6— 0
|
-0.1— 0
|
|
|
Width
|
-5— 0
|
0
|
|
|
Thickness 9.5mm
|
± 0.5
|
-0.1— 0
|
|
|
Thickness 12mm
|
± 0.6
|
-0.1— 0
|
|
The Stability of Meeting Fire (For Fireproof Gypsum Board)
|
|
Not Less Than 20min
|
> 20min
|
|
Cater-corner Length Difference MM
|
|
≤ 5
|
0-1
|
|
Inner Irradiation Ratio
|
|
I Ra ≤ 1.0
|
I Ra < 1.0
|
|
Outer radiation Ratio
|
|
I γ ≤ 1.3
|
I γ < 0.1
|
|
Weight per unit (kg/m² )-9.5thickness
|
|
≤ 9.5
|
7.7
|
Specification
|
Thickness
|
Loading
|
Weight
|
CBM
|
Function
|
1200x2400
|
9
|
960
|
22.9KG/PC
|
25
|
Regular
|
1200x2400
|
12
|
720
|
30.5KG/PC
|
25
|
|
1200x2400
|
9
|
960
|
22.9KG/PC
|
25
|
Fire proof
|
1200x2400
|
12
|
720
|
30.5KG/PC
|
25
|
|
1200x2400
|
9
|
960
|
22.9KG/PC
|
25
|
Water proof
|
1200x2400
|
12
|
720
|
30.5KG/PC
|
25
|
|