SUMITUBE™ A2

CatalogNo.825

[Clear flexible heat-shrinkable tubing]
SAE-AS23053

■ SAE-AS23053 approved
■ Transparent colors
■ Flexible
✔RoHS directive 10 substances

Applications

■ Insulation, protection and reinforcement for termination and joints of electric wire
■ Fixing and protection of cable markers

Basic Properties

Category	Heat shrink tubing
Material	Irradiated cross-linked flexible polyolefin
Flammability	Non Flame Retarded
Shrink temperature	min. 110℃
Shrink ratio	min. 50%
Longitudinal change	0 ±5%
Continuous operating temperature	-55 to 135℃
Specifications/Approvals	SAE-AS23053/5 Class 2
Marking on Surface	―
Available colors	Clear
Flexibility	Flexible
Environmental Compliance	RoHS,ELV
Industry	Military / Aerospace,Construction machinery,Industrial machinery,Electronics

Gasoline	Gas oil	Lubricant	Alcohol	Acid	Alkali
○	○	○	◎	○	◎

Gasoline

Gas oil

Lubricant

Alcohol

Acid

Alkali

○

◎

○

◎

Features

Properties	Items	Requirements	Typical values*
Mechanical	Tensile strength (before aging) Elongation (before aging) Elongation (after aging) Low temperature flexibility Heat shock Specific gravity	min. 10.4MPa min. 200% 175℃ x 7 days, min. 100% -55℃ x 4 hours, no crack 250℃ x 4 hours, no crack max. 1.00	20.4MPa 520% 425% Pass Pass 0.92
Electrical	Dielectric strength Volume resistivity	min. 19.7kV/mm min. 1.0 x 10¹⁴Ω・cm	38.8kV/mm 5.2 x 10¹⁶Ω・cm
Chemical	Water absorption Corrosion against bare copper Transparency stability Fluid resistance 　　Tensile strength 　　Dielectric strength Flammability	23℃ x 24 hours, max. 0.50% 175℃ x 16 hours, no corrosion 175℃ x 24 hours, no change After immersion in the fluids specified in SAE-AS23053 at 23℃ for 24 hours, 　　min. 6.9MPa 　　min. 15.8kV/mm Flammable	0.10% Pass Pass 13.7MPa 41.9kV/mm ―

Properties

Items

Requirements

Typical values*

Mechanical

Tensile strength (before aging)
Elongation (before aging)
Elongation (after aging)
Low temperature flexibility
Heat shock
Specific gravity

min. 10.4MPa
min. 200%
175℃ x 7 days, min. 100%
-55℃ x 4 hours, no crack
250℃ x 4 hours, no crack
max. 1.00

20.4MPa
520%
425%
Pass
Pass
0.92

Electrical

Dielectric strength
Volume resistivity

min. 19.7kV/mm
min. 1.0 x 10¹⁴Ω・cm

38.8kV/mm
5.2 x 10¹⁶Ω・cm

Chemical

Water absorption
Corrosion against bare copper
Transparency stability
Fluid resistance
　　Tensile strength
　　Dielectric strength
Flammability

23℃ x 24 hours, max. 0.50%
175℃ x 16 hours, no corrosion
175℃ x 24 hours, no change

After immersion in the fluids specified in SAE-AS23053 at 23℃ for 24 hours,

　　min. 6.9MPa
　　min. 15.8kV/mm
Flammable

0.10%
Pass
Pass

13.7MPa
41.9kV/mm
―

* For reference use only

Sizes

Trade size（inch）	As supplied（mm）		After recovered（mm）		Unit length（min.）（m）
Trade size（inch）	Inside diameter	Wall thickness（nom.）	Inside diameter（max.）	Wall thickness	Cut	Spool
3/64	1.60±0.30	0.20	0.60	0.41±0.07	1.22	305
1/16	2.00±0.30	0.20	0.80	0.43±0.07	1.22	305
3/32	2.70±0.30	0.25	1.20	0.51±0.07	1.22	152.5
1/8	3.50±0.30	0.25	1.60	0.51±0.07	1.22	152.5
3/16	5.20±0.30	0.30	2.40	0.51±0.07	1.22	61
1/4	6.8±0.4	0.30	3.20	0.63±0.07	1.22	61
3/8	10.0±0.4	0.30	4.75	0.63±0.07	1.22	61
1/2	13.2±0.5	0.30	6.4	0.63±0.07	1.22	61
3/4	20.0±0.6	0.40	9.5	0.77±0.07	1.22	61
1	26.6±0.8	0.45	12.7	0.88±0.12	1.22	61
1-1/2	39.3±1.0	0.45	19.1	1.02±0.15	1.22	61
2	52.7±1.5	0.50	25.4	1.13±0.17	1.22	61
3	77.7±1.5	0.55	38.1	1.30±0.20	1.22	61
4	106.0±3.0	0.60	50.8	1.40±0.22	1.22	30.5