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参数资料
| 型号： | VPB-1-1/2-0-SP |
| 厂商： | TE Connectivity |
| 文件页数： | 4/8页 |
| 文件大小： | 0K |
| 描述： | HEAT SHRINK TUBING |
| 标准包装： | 100 |
| 系列： | VPB |
| 类型： | 套管，弹性 |
| 收缩比率： | 2 至 1 |
| 内径 - 提供： | 1.500"（38.1mm） |
| 内径 - 恢复： | 0.752"（19.1mm） |
| 已恢复的墙壁厚度： | 0.055"（1.39mm） |
| 材质： | 氟橡胶 |
| 特点： | 阻燃 |
| 颜色： | 黑 |
| 其它名称： | 5580624002 |
Page 4
4.3.5
4.3.6
4.3.7
4.3.8
4.3.9
4.4
SPECIFICATION RT-1148 ISSUE 8
Heat Resistance
Three 6 inch (152 mm) specimens of tubing shall be conditioned for 168 hours in a 150 ±
3°C (302 ± 5°F) oven. After conditioning, remove the specimens from the oven, cool to
room temperature and test for ultimate elongation in accordance with 4.3.2.
Copper Stability
Three 6 inch (152 mm) specimens of tubing shall be slid over snug- fitting, straight,
clean, bare copper mandrels, either solid or tubular. The specimens on the mandrels shall
be conditioned for 24 hours in a desiccator or similar humidity chamber at 90 to 95
percent relative humidity and 25 ± 3°C (77 ± 5°F) .
The specimens on the mandrels then shall be conditioned for 168 hours in a 150 ± 2°C
(302 ± 4°F) oven. After conditioning, the specimens shall be removed from the oven and
cooled to 23 ± 3°C (73 ± 5°F) .
The copper mandrels shall then be removed from the tubing and the tubing and copper
mandrels shall be examined. Darkening of the copper due to normal air oxidation shall
not be cause for rejection. The tubing shall be tested for ultimate elongation in
accordance with 4.3.2.
Dielectric Strength
The dielectric strength shall be determined by following the ASTM D 2671 procedure
for dielectric breakdown. When dielectric breakdown occurs the thickness
measurements for calculating dielectric strength shall be made adjacent to the point of
breakdown and the dielectric strength shall be calculated in volts per mil.
Corrosive Effect
The tubing shall be tested for copper mirror corrosion in accordance with ASTM D 2671,
Procedure A. The specimens shall be conditioned for 16 hours at 175 ± 3°C (347 ± 5°F) .
Fluid Resistance
Six specimens, three 6 inch (152 mm) tubing specimens, which shall be weighed prior to
immersion and three tensile specimens prepared and measured in accordance with 4.3.1,
shall be immersed for 24 hours in each of the test fluids listed in Table 3 at the
temperature specified. The volume of the fluid shall not be less than 20 times that of the
specimens. After conditioning, all the specimens shall be lightly wiped and air dried for
45 ± 15 minutes at 23 ± 3°C (73 ± °F) . The three specimens intended for the tensile
strength and elongation tests shall then be tested in accordance with 4.3.2. The other
three specimens shall be weighed before and after immersion and the weight change
calculated as a percentage.
Rejection And Retest
Failure of any sample of tubing to conform to any one of the requirements of this
specification shall be cause for rejection of the lot represented. Tubing which has been
rejected may be replaced or reworked to correct the defect and then resubmitted for
acceptance. Before resubmitting, full particulars concerning the rejection and the action
taken to correct the defect shall be furnished the inspector.
If this document is printed it becomes uncontrolled. Check for the latest revision.
? 2005 Tyco Electronics Corporation. All rights reserved
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