Features

Item

Requirements

Test method

Typical values

Physical properties

Tensile strength

8.2MPa min.

ASTMD638

≥10.3MPa

Elongation at break

250% min

ASTMD638

≥300%

Thermal shock(300°C, 4 hours)

No cracks

ASTMD2671

Pass

Low Temperature Flexibility(-55°C, 4 hours)

No cracks

ASTMD2671

Pass

Thermal ageing(250°C, 168 hours)

Tensile strength after ageing

8.2MPa min.

ASTMD638

≥8.2MPa

Elongation at break after ageing

200% min.

ASTMD638

≥200%

Electrical properties

Dielectric withstand voltage and breakdown

2500V,60sec,No breakdown

ASTMD2671

Pass

Dielectric strength

7.9KV/㎜ min.

ASTMD2671

≥7.9kv/㎜

Volume resistivity

10¹⁴Ω·㎝ min.

ASTMD876

≥10¹⁴Ω·㎝

Chemical properties

Corrosiveness(175°C, 16 hours)

No corrosion

ASTMD2671

PASS

Flame retardancy

Self-extinguishing within 15s

ASTMD2671

Pass

Oil resistance

23°C, 24 hours(Gasoline, fuel oil, hydraulic oil, lubricating oil, etc.)

Tensile strength

8.2MPa min. min.

ASTMD2671

≥8.2MPa

Elongation at break

200% min.

ASTMD2671

≥200%

Finished size

Reduced size

Tray/m

Boxed/m

(D)Insid
diameter/mm

(T)wall thickness/mm

(d)Inside
diameter/mm

(t) wall thickness/

Φ1.6 1/16

2.1±0.2

0.25±0.05

≤0.8

0.6±0.1

200

4000

Φ2.4 3/32

3.0±0.2

0.25±0.05

≤1.2

0.6±0.1

200

3000

Φ3.2 1/8

3.8±0.3

0.35±0.1

≤1.6

0.76±0.18

200

2000

Φ4.8 3/16

5.5±0.3

0.40±0.1

≤2.4

0.89±0.18

100

1200

Φ6.4 1/4

7.0±0.3

0.40±0.1

≤3.2

0.89±0.18

100

800

Φ7.9 5/16

8.0±0.3

0.40±0.1

≤3.8

0.89±0.18

100

500

Φ9.5 3/8

10.3±0.5

0.40±0.15

≤4.8

0.89±0.18

50

400

Φ12.7 1/2

13.5±0.5

0.45±0.15

≤6.4

0.89±0.18

30

400

Φ15.9 5/8

16±0.5

0.50±0.15

≤7.9

1.07±0.21

30

400

Φ19.1 3/4

20.5±1

0.51±0.15

≤9.5

1.07±0.21

30

500

Φ22 7/8

23.5±1

0.55±0.15

≤11

1.07±0.21

30

400

Φ25.4 1

26.5±1

0.58±0.15

≤12.7

1.25±0.25

30

350

Φ30 5/4

32.5±1

0.60±0.15

≤15.9

1.30±0.25

30

150

Φ38.1 3/2

40.5±2

0.65±0.2

≤19.1

1.40±0.38

30

125

Φ50.8 2

53±2

0.75±0.2

≤25.4

1.65±0.40

30

100

<

1.D is the finished inner diameter（Expanded as Supplied）;
2.d is the inner diameter after complete shrinkage （Recovered After Heating）
3.T is the wall thickness of the finished product（Wall Thickness as Supplied
4.t is the wall thickness after complete shrinkage （Recovered Wall Thickness After Heating）
5.Heat-Shrinkable Tube No Printing

Unit:
mm

Date:
01/16/2018

Name:
Fluoroelastomer heat shrinkable tube

No.:
SW-FKM