参数资料
型号: RT555-3/4-0-SP
厂商: TE Connectivity
文件页数: 3/8页
文件大小: 0K
描述: HEAT SHRINK TUBING
视频文件: RT-555 Heat Shrinkable Sealing Tape
标准包装: 250
系列: RT-555
类型: 套管,半刚性
收缩比率: 2 至 1
内径 - 提供: 0.750"(19.0mm)
内径 - 恢复: 0.374"(9.5mm)
已恢复的墙壁厚度: 0.027"(0.69mm)
材质: 含氟聚合物
特点: 阻燃
颜色:
其它名称: 3821734002
SPECIFICATION RT-555 ISSUE 6
Page 3
4.2
4.2.1
4.2.2
4.2
4.3.1
SAMPLING INSTRUCTIONS
Qualification Test Samples
Qualification test samples shall consist of 50 feet (15 m) of tubing of the size specified. Qualification of any
size within each size range specified below will qualify all sizes in the same range.
Size Ranges
1/8 through 3/4
1” through 2”
Acceptance Test Samples
Acceptance test samples shall consist of not less than 16 feet (5 m) of tubing selected at random from each
lot. A lot shall consist of all tubing of the same size, from the same production run and offered for inspection
at the same time.
TEST PROCEDURES
Unless otherwise specified, tests shall be performed on specimens which have been fully recovered by
conditioning in accordance with 4.3.1. Prior to all testing, the test specimens (and measurement gauges,
when applicable) shall be conditioned for 3 hours at 23 ± 3oC (73 ± 5oF) and 50 ± 5 percent relative
humidity. All ovens shall be of the mechanical convection type in which air passes the specimens at a
velocity of 100 to 200 feet (30 to 60 m) per minute.
Dimensions, Dimensional Recovery, Longitudinal Change and Concentricity
Measure three 6-inch (150 mm) specimens of tubing, as supplied, for length ± 1/32 inch (± 1 mm) and inside
diameter in accordance with ASTM D 2671. Recover these specimens fully by conditioning for 3 minutes in
a 250 ± 5oC (482± 9oF) oven. Remove the specimens from the oven, allow to cool to 23 ± 3oC (73 ± 5oF) and
re-measure. Calculate longitudinal change as follows:
LC =
L1 - L0
L0
X 100
Where:
LC
L0
L1
=
=
=
Longitudinal Change [Percent]
Length Before Conditioning [Inches (mm) ]
Length After Conditioning (Inches (mm) ]
C = M 1 X 100
Measure the wall thickness of three 6-inch (150-mm) long specimens, as supplied, in accordance with ASTM
D 2671. Calculate concentricity as follows:
M
2
Where:
C =
M1 =
M2 =
Concentricity [Percent]
Minimum Thickness [Inches (mm) ]
Maximum Thickness [Inches (mm) ]
If this document is printed it becomes uncontrolled. Check for the latest revision.
? 2006 Tyco Electronics Corporation. All rights reserved
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