SUMITUBE SA3 CAP

[Sealing caps for automobiles, flame-retarded heatshrinkable tubing with meltable adhesive]

■ High shrink ratio and eff ective for waterproofing of multiple harness terminations
■ Retains positioning at high temperature
■ Flame-retarded outer jacket (PBDE/PBB-free)
■ Abrasion resistant

Applications

■ Waterproof sealing, insulation and reinforcement for harness joints and splices of motor vehicles/electronic devices

Basic Properties

Category	Heat shrink tubing
Material	Outer : Irradiated cross-linked semi-rigid flame-retarded polyolefin Inner : Meltable adhesive
Flammability	Flame Retarded
Shrink temperature	min. 135℃
Shrink ratio	min. 75%
Continuous operating temperature	-40 to 105℃
Specifications/Approvals	SFP standard (R8-0512)
Marking on Surface	See size table
Available colors	Black
Flexibility	Semi-rigid
Environmental Compliance	RoHS,ELV
Industry	Automotive,Construction machinery,Industrial machinery,Electronics

Features

Properties	Items	Requirements	Typical values*1
Mechanical	Tensile strength*2 Elongation Heat shock Heat resistance Secant modulus Dynamic cut-through	min. 10.4MPa min. 300% 225℃ x 4 hours, no crack 130℃ x 7 days, no crack min. 150MPa min. 134N	25.8MPa 550% Pass Pass 463MPa 529N
Electrical	Dielectric strength Volume resistivity	min. 15kV/mm min. 1.0 x 10¹²Ω・cm	20.6kV/mm 9.6 x 10¹⁵Ω・cm
Chemical	Flammability	SAE J1128, self-extinguish within 70 sec.	Pass
Splice performance (on representative splice configurations)	Testing to SFP internal standard 　　・Heat aging: 125℃ x 1008 hours 　　・Heat cycle: 125 cycles, 125℃ (30 minutes) to -40℃ (30 minutes) 　　・Fluid resistance: 2-hour immersion in: brake fluid, engine coolant, 　　　　　　　　　　　　　　ASTM Reference Oil #3, automatic transmission fluid	Pass Pass Pass

Properties

Items

Requirements

Typical values*1

Mechanical

Tensile strength*2
Elongation
Heat shock
Heat resistance
Secant modulus
Dynamic cut-through

min. 10.4MPa
min. 300%
225℃ x 4 hours, no crack
130℃ x 7 days, no crack
min. 150MPa
min. 134N

25.8MPa
550%
Pass
Pass
463MPa
529N

Electrical

Dielectric strength
Volume resistivity

min. 15kV/mm
min. 1.0 x 10¹²Ω・cm

20.6kV/mm
9.6 x 10¹⁵Ω・cm

Chemical

Flammability

SAE J1128, self-extinguish within 70 sec.

Pass

Splice performance
(on representative splice configurations)

Testing to SFP internal standard
　　・Heat aging: 125℃ x 1008 hours
　　・Heat cycle: 125 cycles, 125℃ (30 minutes) to -40℃ (30 minutes)
　　・Fluid resistance: 2-hour immersion in: brake fluid, engine coolant,
　　　　　　　　　　　　　　ASTM Reference Oil #3, automatic transmission fluid

Pass
Pass

Pass

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

Sizes

Nominal size（mm）	Supplied ID（mm）		Recovered ID（mm）			Unit length （mm）	Marking
Nominal size（mm）	Inside diameter（min.）	Wall thickness＊（nom.）	Inside diameter（max.）	Wall thickness＊（min.）	Adhesive thickness（nom.）	Unit length （mm）	Marking
5.8/1.2X50L	5.80	0.45	1.26	1.20	0.56	50±3	SA3-1
7.5/1.6X50L	7.5	0.60	1.64	1.52	0.76	50±3	SA3-2
10.9/2.4X50L	10.9	0.70	2.40	1.91	1.02	50±3	SA3-3

*: Including inner adhesive