SERIES 23
Backshells and accessories
Series 77 heatshrink boots
HEATSHRINK BOOTS
Heatshrink boots provide strain relief and environmental protection. Shape-memory polymer
returns to as-molded shape when heat is applied. Use with 310-045 composite shrink boot
adapter. Boot lip fits adapter groove for precise fit. Semi-rigid high performance elastomer
resists high temperature and withstands exposure to petroleum-based fluids and fuels. Also
available with non-halogenated flame-retardant polyolefin for use where limited fire hazard
is required.
MATERIAL SELECTION GUIDE
High Performance Elastomer -75°C to +150°C. Semi-rigid high performance elastomer
About UserꢀInstalled
1
combines excellent resistance to fuels, oils and solvents with superior performance at
Adhesive
extreme temperatures. Material meets the requirements of VG95343 Type 6, BSG 19ꢀ-5-
DE, EN62329-102 and SAE AS525ꢀ Type H. These boots are recommended for demanding
applications such as military vehicles and petrochemical exploration.
Zero Halogen Polyolefin -30°C to +135°C. Low Smoke Zero Halogen (LSZH) polyolefin
boots meet low smoke and toxicity requirements of shipboard, transit and aircraft systems.
Oxygen index greater than 30%, smoke index less than 20, and toxicity index under 3 per
100 grams. Material meets requirements of NAVSEA 5617649, VG95343 Part 29, BSG 19ꢀ-
5-DF, EN62329-101 and SAE AS525ꢀ Type G. Good resistance to oils, fuels and solvents.
Heat-shrink boots are not watertight
unless equipped with pre-coated
or user-installed adhesives. When
heat is applied to the boot, the
adhesive melts and fixes the boot
to the adapter and cable jacket to
provide the necessary sealing as
well as mechanical strain-relief. For
maximum performance Glenair
recommends Type U user-installed
two-part epoxy adhesive which
offers reduced boot installation time
and easier installation. Pre-coated
boots require additional care to
install because the boot must be
heated sufficiently to activate the
epoxy, at the risk of overheating the
overall assembly. A single 50 ml duo
syringe can coat many boots. The
duo syringe can be re-capped for
re-use. Inexpensive mixing nozzles
must be discarded after each use.
NOTE: Glenair highꢀperformance
two part epoxy meets VG95343
part 15.
2
PRE-COATED ADHESIVE SELECTION GUIDE
Low Smoke Zero halogen (LSZH) polyamide hot melt adhesive Coating. Bonds well
W1
to a variety of substrates. Good creep resistance at elevated temperatures. Excellent
bond strength at low temperature. Good resistance to fuels and oils. -55°C to +125°C.
Compatible with Type 1 and Type 2 boot materials.
High Temperature Epoxy Adhesive Coating. Glenair’s highest performance pre-coated
R
adhesive. The material requires careful installation using trained operators. -75°C to 150°C.
Withstands prolonged high temperature immersion in fuels and oils. Excellent peel adhe-
sion on a wide range of materials. Compatible with Type 1 boot material only.
How to Order
Adhesive
Lining
Series
Material
Boot Size
Omit for no adhesive
770-003S
Heatshrink
Boot Lipped
Straight
1
lining.
S e e n e x t p a g e f o r o r d e r i n g
information on user-installed two
part epoxy adhesive.
High
ADAPTER
DIAMETER
Performance
Elastomer, Semi-
Rigid, -75°C to
+150°C
W1
Hot Melt Adhesive
Low Smoke, Zero
Halogen
Adapter Diameter
-55°C to +125°C
2
H
Boot
Inches
mm.
Low Smoke, Zero
Halogen
Size Min. Max.
Min.
8.9
.850 11.4
Max.
15.2
R
.350
.450
.600
02
03
04
05
06
07
High Temperature
Epoxy Adhesive
-75°C to +150°C.
Use with Type 1
High Performance
Elastomer only. Not
for use with Type 2
material.
Polyolefin, Semi-
Flexible,
-30°C to +135°C
21.6
25.4
30.5
34.3
41.9
.600 1.000 15.2
.750 1.200 19.1
.900 1.350 22.9
1.250 1.650 31.8
Series 77 “Full Nelson” Shrink Boot
Catalog has additional boot styles,
technical information, installation
instructions and other heatshrink
products. Contact Glenair or go to
www.glenair.com.
Sample Part Number
770-003S
2
06
R
H-8
© 2014 Glenair, Inc • 1211 Air Way, Glendale, CA 91201 • 818-247-6000 • www.glenair.com • U.S. CAGE code 06324 • Series 23® SuperNine Catalog
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