公稱尺寸

Nominal size

收縮尺寸（mm） Inside

diameter as supplied (min)

收縮後尺寸（mm.）Inside diameter after

recovery(max)

單長

Length

（inch）

內徑

Inside  diameter

肉厚

thickness※

內徑Inside

diameter

肉厚Wall

thickness

內層肉厚Inside

wall thickness

（M）

1/8

3.2

0.35

0.6

0.95

0.35

1

3/16

4.8

0.45

1.5

1.1

0.6

1

1/4

6.4

0.45

2.0

1.2

0.65

1

3/8

9.5

0.5

3.0

1.3

0.65

1

1/2

12.7

0.55

4.0

1.4

0.75

1

3/4

19.0

0.65

8.0

1.6

0.8

1

1

25.4

0.75

10.2

1.9

0.8

特性Properties

專案Item

測試條件Condition

典型值Typical value

物理特性

Physical

抗張強度Tensile strength

Min 10.3Mpa(1.05㎏/mm²)

12.0Mpa (1.22㎏/mm²)

老化後抗張強度

Tensile strength after aging

158℃×7days,70% of original (Min)

97% of original

伸長率Elongation

200%(Min)

438%

老化後伸長率

Elongation after aging

158℃×7days,100% of original(Min)

425%

老化後柔軟性

Flexibility after aging

158℃×7days,不龜裂 No crack

Pass

熱衝擊性Heat shock

136℃×1hour不龜裂 No crack

Pass

低溫柔軟性Cold bend

-10℃×1hour不龜裂 No crack

Pass

電氣特性

Electrical

耐電壓

Dielectric voltage withstand

AC2.5KV×60second 不擊破 No

Break down

Pass

老化後耐電壓Dielectric

voltage withstand after aging

158℃×7days, AC2.5KV×60second

不擊破 No Break down

Pass

絕緣破壞曉以電壓

Dielectric breakdown

AC2.5KV(Min)

24.9KV

老化後絕緣破壞電壓Dielectric

voltage breakdown after aging

158℃×7days,50% of original (Min)

And AC2.5KV (Min)

Pass

體積固有電阻Volume resistivity

10¹⁴Ω.cm (Min)

4.4×10¹⁴Ω.cm

化學特性

Chemical

銅腐蝕性Corrosion of bare copper

濕度Humidity 95% at 23℃ for  24hours

158℃×7days 不腐蝕 No corrosion

Pass

燃燒性Flammability

難燃 Flame retardant All-tubing

flame test

Pass