Thickness (mm) | 9.5 | 12.5 | 15.0 | |
Mass per unit area (kg/m2) |
6.2〜9.0 | 8.1〜11.7 | 9.8〜14.0 | |
Specific gravity | 0.65〜0.90 | |||
Moisture percentage (%) | 3 or less | |||
Bending fracture load N(kgf) | Length direction | 360 (36.7) or higher | 500 (51.0) or higher | 650 (66.3) or higher |
Width direction | 140 (14.3) or higher | 180 (18.4) or higher | 220 (22.4) or higher | |
Incombustibility or exothermicity | 2nd grade incombustibility or 2nd grade exothermicity or higher | 1st grade incombustibility or 1st grade exothermicity | 1st grade incombustibility or 1st grade exothermicity | |
Thermal resistance m2 K/W | 0.043 or higher | 0.057 or higher | 0.068 or higher |
Thickness (mm) | 9.5 | 12.5 | 15.0 | |
Mass per unit area (kg/m2) |
8.6〜14.5 | 11.3〜18.9 | 13.5〜22.5 | |
Specific gravity | 0.90〜1.45 | |||
Moisture percentage (%) | 3 or less | |||
Bending fracture load N(kgf) | Length direction | 500(51.0) or higher | 700 (71.4) or higher | 910 (92.8) or higher |
Width direction | 200(20.4) or higher | 250(25.5) or higher | 310(31..6) or higher | |
Shock resistance | Diameter of the dent should be 20 mm or less and should not be penetrated by cracks. | |||
Incombustibility or exothermicity |
2nd grade incombustibility or 2nd grade exothermicity or higher |
1st grade incombustibility or 1st grade exothermicity |
1st grade incombustibility or 1st grade exothermicity |
|
Thermal resistance m2・K/W | 0.026 or higher | 0.035 or higher | 0.042 or higher |
Thickness (mm) | 12.5 | 15.0 | 16.0 | 18.0 | 21.0 | 25.0 | |
Mass per unit area (kg/m2) |
9.4〜12.4 | 11.3〜14.7 | 12.0〜15.7 | 13.5〜17.6 | 15.8〜20.4 | 18.8〜24.2 | |
Specific gravity | 0.75〜0.95 | ||||||
Moisture percentage (%) | 3 or less | ||||||
Bending fracture load N(kgf) | Length direction | 500 (51.0) or higher |
650 (66.3) or higher |
680 (69.4) or higher |
750 (76.5) or higher |
850 (86.7) or higher |
1000 (102.0) or higher |
Width direction | 180 (18.4) or higher |
220 (22.4) or higher |
230 (23.5) or higher |
270 (27.6) or higher |
320 (32.7) or higher |
380 (36.8) or higher |
|
Shock resistance | Diameter of the dent should be 25 mm or less and should not be penetrated by cracks. | ||||||
Fire resistance | Should not break and fall down. | ||||||
Incombustibility or exothermicity |
1st grade incombustibility or 1st grade exothermicity |
||||||
Thermal resistance m2・K/W | 0.052 or higher |
0.063 or higher |
0.067 or higher |
0.075 or higher |
0.088 or higher |
0.104 or higher |
Thickness (mm) | 9.5 | 12.5 | 15.0 | |
Mass per unit area (kg/m2) |
6.2〜9.0 | 8.1〜11.7 | 9.8〜14.0 | |
Specific gravity | 0.65〜0.90 | |||
Moisture percentage (%) | 3 or less | |||
Bending fracture load N(kgf) Note(1) |
When dry | 360(36.7)or higher | 500(51.0) or higher | 650(66.3)or higher |
When wet | 220(22.4)or higher | 300(30.6)or higher | 390(39.8)or higher | |
Peeling resistance during water absorption | Inner gypsum and base paper should not peel off. | |||
Water absorption performance | Water absorption ratio (%) | 10 or less | ||
Surface side water absorption mass (g) | 2 or less | |||
Incombustibility or exothermicity |
2nd grade incombustibility or 2nd grade exothermicity or higher | |||
Thermal resistance m2・K/W | 0.040 or higher | 0.052 or higher | 0.063 or higher |
In addition to compliance with the requirements of fire resistant gypsum board (GB - F), models of any thickness should satisfy the following nailed side resistance requirements. |
Nailed side surface load (N) | Both direction of length and direction of width | A-type Note(2) | 750 or higher | ||
B-type | 500 or higher |
Thickness (mm) | 9.5 | |
Mass per unit area (kg/m2) |
6.2〜9.0 | |
Specific gravity | 0.65〜0.90 | |
Moisture percentage (%) | 3 or less | |
Bending fracture load N(kgf) | Length direction | 180(18.4)or higher |
Width direction | 125(12.8)or higher |
Thickness (mm) | 9.5 | 12.5 | 15.0 | |
Mass per unit area (kg/m2) |
6.2〜9.0 | 8.1〜11.7 | 9.8〜14.0 | |
Specific gravity | 0.65〜0.90 | |||
Moisture percentage (%) | 3 or less | |||
Bending fracture load N(kgf) Note(3) | Length direction | 360(36.7)or higher | 500(51.0) or higher | 650(66.3)or higher |
Width direction | 140(14.3)or higher | 180(18.4)or higher | 220(22.4)or higher | |
Discoloration resistance | Deemed to pass the discoloration test if within no. 3 in the gray discoloration scale. Also, the surface should not crack, bulge or wrinkle. | |||
Shock resistance Note(4) | Diameter of the dent should be 25 mm or less and should not be penetrated by cracks. | |||
Incombustibility or exothermicity |
2nd grade incombustibility or 2nd grade exothermicity or higher | 1st grade incombustibility or 1st grade exothermicity |
1st grade incombustibility or 1st grade exothermicity |
|
Thermal resistance m2・K/W | 0.043 or higher |
0.057 or higher |
0.068 or higher |
Presence or absence of surface decoration | Present | Absent | ||
Mass per unit area (kg/m2) |
6.2〜9.0 | |||
Specific gravity | 0.65〜0.90 | |||
Thickness (mm) | 9.5 | |||
Moisture percentage (%) | 3 or less | |||
Bending fracture load N(kgf) Note(5) | Length direction | 360(36.7)or higher | ||
Width direction | 140(14.3)or higher | |||
Discoloration resistance | Deemed to pass the discoloration test if within no. 3 in the gray discoloration scale. Also, the surface should not crack, bulge or wrinkle. | − | ||
Shock resistance Note(6) | Diameter of the dent should be 25 mm or less and should not be penetrated by cracks. | − | ||
Incombustibility or exothermicity |
1st grade incombustibility or 1st grade exothermicity |
|||
Thermal resistancem2・K/W | 0.043or higher |
Type | Φ6-22 | Φ13.4-24 | Random | |||||||
Thickness (mm) (Tolerance +0.5〜0) |
9.5 | 12.5 | 9.5 | 12.5 | 9.5 | 12.5 | ||||
Sound absorbing ability Note(7) | 0.3S、0.3U | 0.3S | 0.3S、0.3U、0.5U | |||||||
Length (mm) (Tolerance +3〜0) |
910 | 1,820 | 910 | 1,820 | 910 | 910 | 1,820 | 910 | 1820 | |
Width (mm) (Tolerance 0〜-3) |
455 910 |
910 | 455 910 |
910 | 910 | 455 910 |
910 | 455 910 |
910 | |
Bending fracture load N(kgf) Note(8) |
110 (11.2)or higher |
130 (13.3)or higher |
40 (4.1)or higher |
55 (5.6)or higher |
ー | |||||
Moisture percentage (%) | 3.0以下 |
In addition to compliant with the requirements of GB-R and GB-D, models of any type and thickness should satisfy the following moisture control performance requirements. |
Hygroscopicity (g/m2) | 150 or higher |