SUMITUBE™ O2C

CatalogNo.942,840

[Dual wall heat-shrinkable tubing with meltable adhesive for fixing and waterproofing of straight-shaped objects]

■ Watertight sealing with good adhesion to metals, polyolefin and PVC
■ Flexible
■ Thinner adhesive (than SUMITUBE™ W3C)
✔RoHS directive 10 substances

Applications

■ Corrosion protection of pipes
■ Waterproof sealing for electronic devices
■ Insulation and protection for wire joints
■ Eff ective for fixing and waterproofing of pipe-shaped objects

Basic Properties

Category	Heat shrink tubing
Material	Outer: Irradiated cross-linked flexible polyolefin Inner: Meltable adhesive
Flammability	Non Flame Retarded
Shrink temperature	min. 115℃
Shrink ratio	min. 50%
Longitudinal change	min. -15%
Continuous operating temperature	-55 to 105℃
Specifications/Approvals	SFP standard (RE4-B100)
Marking on Surface	―
Available colors	Black, Clear
Flexibility	Flexible
Environmental Compliance	RoHS,ELV
Industry	Automotive,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*1
Mechanical	Tensile strength (before aging)² Tensile strength (after aging)² Elongation (before aging) Elongation (after aging)	min. 10.4MPa 136℃ x 7 days, min. 7.3MPa min. 200% 136℃ x 7 days, min. 100%	16.0MPa 14.2MPa 562% 500%
Electrical	Dielectric withstand Volume resistivity	AC2.5kV x 60 sec., no breakdown min. 1.0 x 10¹⁴Ω・cm	Pass 1.6 x 10¹⁶Ω・cm
Chemical	Corrosion against bare copper Flammability	121℃ x 16 hours, no corrosion Flammable	Pass ―

Properties

Items

Requirements

Typical values*1

Mechanical

Tensile strength      (before aging)*²
Tensile strength      (after aging)*²
Elongation                (before aging)
Elongation                (after aging)

min. 10.4MPa
136℃ x 7 days, min. 7.3MPa
min. 200%
136℃ x 7 days, min. 100%

16.0MPa
14.2MPa
562%
500%

Electrical

Dielectric withstand
Volume resistivity

AC2.5kV x 60 sec., no breakdown
min. 1.0 x 10¹⁴Ω・cm

Pass
1.6 x 10¹⁶Ω・cm

Chemical

Corrosion against bare copper
Flammability

121℃ x 16 hours, no corrosion
Flammable

Pass
―

*1: For reference use only *2: Calculated by using outer cross section

Sizes

Trade size（mm）	As supplied（mm）		After recovered（mm）			Unit length （min.）（m）
Metric size
Trade size（mm）	Inside diameter（min.）	Wall thickness＊（nom.）	Inside diameter（max.）	Wall thickness＊（nom.）	Adhesive thickness（nom.）	Unit length （min.）（m）
2×0.3	2.00	0.30	1.00	0.60	0.20	1
3×0.3	3.00	0.30	1.50	0.60	0.20	1
4×0.3	4.00	0.30	2.00	0.60	0.20	1
5×0.3	5.00	0.30	2.50	0.60	0.20	1
6×0.35	6.0	0.35	3.00	0.70	0.20	1
7×0.35	7.0	0.35	3.50	0.70	0.20	1
8×0.35	8.0	0.35	4.00	0.70	0.20	1
9×0.35	9.0	0.35	4.50	0.70	0.20	1
10×0.35	10.0	0.35	5.00	0.70	0.20	1

Nominal size（mm）	Supplied ID（mm）		Recovered ID（mm）			Unit length （min.）（m）
Inch size
Nominal size（mm）	Inside diameter（min.）	Wall thickness＊（nom.）	Inside diameter（max.）	Wall thickness＊（nom.）	Adhesive thickness（nom.）	Unit length （min.）（m）
1/8	3.20	0.40	1.60	0.70	0.20	1.22
3/16	4.80	0.40	2.40	0.70	0.20	1.22
1/4	6.4	0.40	3.20	0.75	0.20	1.22
3/8	9.5	0.40	4.80	0.75	0.20	1.22
1/2	12.7	0.40	6.4	0.75	0.20	1.22
3/4	19.1	0.45	9.5	0.90	0.20	1.22
1	25.4	0.55	12.7	1.10	0.20	1.22

*: Including inner adhesive