2740-2Fiberglass sleeving coated with acrylic resin is manufactured with E-fiberglass braided sleeving and coated with a layer of acrylic resin,and then thermoset to form F grade insulating sleeving.It possesses reliable heat resistance,good qualities of dielectric,fair softness,and elasticity,benzene resistance and oil resistance.It can be used for wiring insulation and mechanic protection for electrical instruments,wireless sets and domestic electrical appliances.
Specifications︰
| Bore Diameter | Wall Thickness | ||
| Nominal | Tolerance（±） | Minimum | Maximum |
| 0.3、0.5、0.8 | ±0.10 | 0.20 | 0.50 |
| 1.0、1.5 | ±0.15 | 0.20 | 0.75 |
| 2.0、2.5 | ±0.20 | 0.20 | 0.75 |
| 3.0 | ±0.25 | 0.20 | 0.75 |
| 3.5、4.0、5.0、6.0 | ±0.25 | 0.30 | 0.75 |
| 7.0、8.0 | ±0.50 | 0.30 | 0.75 |
| 9.0、10.0、12.0、14.0、16.0、18.0、20.0 | ±0.50 | 0.40 | 0.90 |
| 23.0、25.0、27.0、30.0 | ±0.50 | 0.40 | 1.00 |
Advantages︰
| Performance | Requirements | ||
| Breakdo wn Voltage（KV） | Median | Median | Minimum value |
| under normal（23±2℃） | ≥4.0 | ≥2.5 | |
| High temperature（155±2℃） | ≥2.0 | ≥1.5 | |
| Moist heat treatment | ≥1.5 | ≥1.2 | |
| Resistance to soldering heat | To maintain the temperature of the solder at 260 ° C ± 5 ° C, the middle of the hose vertical section of the lower end of 6mm immersed in the molten solder bath, tinned copper maintained in the molten solder bath 15s ± 1s. Hose shall not crack or obvious swelling. | ||
| Bending resistance after heating | Temperature: 180 ° C ± 3 ° C, processing time 48h ± 1h, hose wrapped around the mandrel, the film should not be disengaged or cracking the glass tube. | ||
| Bending low temperatures | Temperature: ≤ -15 ℃, the processing time of 60min ± 10min, the outside of the paint film should glass tube disengaged or cracking. | ||
| Coating hydrolytic | Temperature: 100 ° C ± 2 ° C, the processing time of 72h, uncoated flow between the paint tube and aluminum adhesions, the performance and no discoloration, the coating does not melt. | ||
| Temperature index | 155 ℃ | ||
Standard Met︰ JB/T 8151.3―1999
