Active Member
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[China]
Address: NANHAI STREET, DONGCHENG DISTRICT ,XUCHANG,HENAN,CHINA.
Contact name:LISA SHANG
XUCHANG NEWDESEN INDUSTRY CO.,LTD |
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INSULATION PRESSBOARD FOR ELECTRICAL EQUIPMENT PRESSPAPER /PRESSBOARD FOR TRANSFORMER
insulation pressboard is used for electrical industrial board for
motors, electric device, instruments, swith board, transformer for
insulation and assembly pieces under 35kv. 100% wood or cotton
thick board is characterized by its high density.
Good mechanical strength, low compression and high electric
strength
Size: 0.8-4mmx1mx2m
Color: Brown, red
Package: Pallet
| Number | Index | Unit | Standard | Result | |
| 1 | Thickness & tolerance | % | ±7.5 | 0.8 | |
| 2 | Density | g/cm3 | 0.90～1.15 | 1.03 | |
| 3 | Moisture content | % | ≤8.0 | 7.6 | |
| 4 | Tensile strength | MD | N/mm2 | ≥50 | 53.6 |
| CD | N/mm2 | ≥30 | 32.2 | ||
| 5 | Elongation | MD | % | ≥3.0 | 6.9 |
| CD | % | ≥4.0 | 5.6 | ||
| 6 | shrinking percentage | MD | % | ≤0.7 | 0.56 |
| CD | % | ≤1.0 | 0.94 | ||
| TD | % | ≤5.0 | 4.3 | ||
| 7 | Ash content | % | ≤1.0 | 0.98 | |
| 8 | Oil absorption | % | ≥15 | 18.6 | |
| 9 | PH Value of water extraction solation | 6--9 | 7.46 | ||
| 10 | Conductivity of water extraction solution | ms/m | ≤8.0 | 5.7 | |
| 11 | Electrical Strength(in oil) | kv/mm | ≥35 | 35.2 | |
| 12 | Electrical Strength(in air) | kv/mm | ≥10 | 10.3 | |
| Inspection opinion: THIS INSPECTION RESULT MEETS THE REQUIREMENTS OF INTERNAL | |||||
| CONTROL STANDARD AND IS QUALIFIED | |||||
Mobile: 86 139 0374 4063
Mail: creditzf@163.com
Skype: zhufenglisa
Wechat : 707073142
QQ: 707073142
WHATSAPP:86 139 0374 4063
