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| Customization: | Available |
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| Application: | Insulators, Electrical Winding Insulation, Winding Wire Coating Insulation, Electrical Base, Shell, Motor, Insulating Varnish, Switch Baseplate, High Voltage |
| Color: | Dark Geen |
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| Basic type | Unit | B-21 High Load |
B-06 Standard |
B-03 General |
B-01 Economic |
| Static load | Mpa | 240 | 240 | 240 | 150 |
| Dynamic load | Mpa | 160 | 150 | 100 | 30 |
| Density | g/cm3 | 2.0 | 2.0 | 2.0 | 2.0 |
| Max.speed | m/s | 0.20 | 0.20 | 0.20 | 0.10 |
| Max.PV | MPa*m/s | 2.0 | 2.0 | 1.8 | 1.6 |
| Coefficient of friction | - | 0.03~0.12 | 0.03~0.12 | 0.03~0.12 | 0.15~0.25 |
| Working Temp. | ºC | ±180 | ±180 | ±180 | ±120 |
| SHORT-TIME WORK TEMPERATURE | ºC | -180~+230 | -180~+230 | -180~+230 | -120~+140 |
| Radial compressive strength | Mpa | 550 | 550 | 550 | 200 |
| Hardness | HRM | 95 | 95 | 95 | 85 |
| Linear thermal expansion factor | Um/mºC | 13×10-6 | 13×10-6 | 13×10-6 | 30×10-6 |
| Color | - | Black | Black | Black | Black |
| Item | Uint | Value | ||
| Density | g/ cubic centimeters | more than 1.9 | ||
| Compression Strength | Mpa | more than110 | ||
| Shearing Strength | Mpa | more than 25 | ||
| Bending Strength | Mpa | more than210 | ||
| Bending Strength(Circumference) | Mpa | more than 400 | ||
| Air tightness | Gas pipe | Mpa | 2.94 | No leak |
| Oil pipe | 58.8 | |||
| Surface breakdown voltage after wettingin normal air for 1 min with gap between electrodes of 30mm | KV | more than15 | ||
| Parallel to laminate breakdown voltage ( in transformer oil of 90±2ºC) | KV | more than 25 | ||
| Perpendicular to laminate breakdown voltage (in transformer oil of 90±2ºC,5min wallthickness 4mm ) | KV | more than 22 | ||
| Dielectric loss factor 50 Hz | less than0.01 | |||
| Leakage current (between gap of 500mm at 40 kv dc500mm40KV | MA | less than 1 | ||
| Content of fiberglass | % | 70 | ||
| Water absorbtion rate | % | less than 0.02 | ||
| SPECIFICATIONS FOR EPOXY FIBERGLASS WINDING TUBES | |||
| Category | Characteristics | Unit | Value |
| Mechanical Properties |
Tensile strength(ring) | MPa | ≥900 |
| Tensile strength(axial) | MPa | ≥55 | |
| Compressive strength(longitudinal) | Mpa | ≥150 | |
| Perpendicular to the bending | MPa | ≥120 | |
| Vertical bending modulus of elasticity | MPa | ≥1.6X104 | |
| Shear strength | MPa | ≥700 | |
| Electrical Properties |
Axial impact withstand voltage | - | 7KW/mm, 5 times |
| Radial frequency withstand voltage | - | 8KW/mm, 1 min | |
| Medium wearing factor(50Hz) | - | 7.65X10-3 | |
| Relative dielectric constant(50Hz) | - | 5.59 | |
| Partial discharge(35KW) | pC | ≤5 | |
| Water diffusion test | - | 12KW, 1min | |
| Sheet resistivity | Ω | ≥9.5X1014 | |
| Volume resistivity | Ω.m | ≥6.0X1012 | |



