Established in the year 1999 at Foshan, we, YUESHAN BACKUP BOARD, are highly prominent, Manufacturers, Exporters, of premium quality PCB wood backup board / melamine backup board for PCB drill. We have been operating since the past two decades and have been engaged in offering a vast array of PCB backup board / melamine backup board for PCB drill at budget-friendly prices to clients. Our extensive experience has helped us meet the growing demands of our clients nation-wide.
|
序号 No. |
检测项目 Test Items |
单位 Unit |
技术要求 Standard Requirements |
检测结果 Test Results |
单项评价 Item Evaluate |
||
| 1 |
耐沸水性 Resistance To boiling water |
质量增加百分率， % Quality percentage increase,% |
— | ≤16.0 | 8.0 |
合格 Qualified |
|
|
厚度增加百分率，% Thickness percentage increase,% |
— | ≤19.0 | 10.6 |
合格 Qualified |
|||
|
外观等级 Surface Grade |
— |
不低于2级 Level 2 and above |
1级 Level 1 |
合格 Qualified |
|||
| 2 |
耐干热性 Hot & Dry proof |
外观光泽等级 Surface Glossy Grade |
— |
不低于3级 Level 3 and above |
1级 Level 1 |
合格 Qualified |
|
|
其它等级 Other Grade |
— |
不低于2级 Level 2 and above |
1级 Level 1 |
合格 Qualified |
|||
| 3 |
抗冲击性能，落球高度100cm Shock Resistance, Falling Sphere from 100cm High |
mm |
凹痕直径≤10 Dent dia. ≤10 |
9 |
合格 Qualified |
||
| 4 |
表面耐磨性能，转 Surface wear-proof, cycles |
≥350 | 500 |
合格 Qualified |
|||
| 5 |
抗拉强度 Tension Resistance |
Mpa | ≥45 | 50 |
合格 Qualified |
||
| 6 |
滞燃性能 Reaction to Fire |
氧指数，% Oxygen Index Value, % |
— |
B2级≥27 B2 Level≥27 |
32.7 |
合格 Qualified |
|
|
水平燃烧 Horizontal Firing |
— | B2级，不低于FH-1级B2 Level, Level FH-1 above |
FH-1级 Level FH-1 |
合格 Qualified |
|||
| 7 |
甲醛释放量 Released formaldehyde |
mg/L | ≤1.5mg/L |
E1级 Class E1 |
合格 Qualified |
||
| 备注 | |||||||
Manager : Mr. Lucky Xu
E-Mail : henan_xu@hotmail.com
Mobile/WhatsApp : +86-13433290964
Address : Yueshan backup board, Fanhu
industry zone, Leping town, Sanshui district,
Foshan city, Guangdong, China
