Components

***Halogen Free as defined by IEC 61249-2-21
900 ppm max chlorine
900 ppm max bromine
1500 ppm max combined halogens
(Fluorine is excluded)
*Material Performance only.
Applications
Heat Shrink
Product
Type Material Key Characteristics Typical Applications
Standard Sizes
Expanded ID
Applicable
Specifications RoHS Halogen-Free
Low Smoke/
Low Toxicity
Standard
Colors
Packaging
Available
Operating Temp
Range
Shrink
Temp
Shrink
Ratio
Shelf
Life Flammability Chemical Resistance
Dielectric
Strength
D
R
Y
HSTT
Polyolefin
(Cross-Linked)
Flexible, Flame Retardant UV Resistant
(Black only) Class 2 (Clear) is not flame
retardant
General use, strain relief, insulate, protect,
bundle, and color code wires, cables and
electrical components in a wide variety of
applications
3/64" to 4"
(1.2mm to 101.6mm)
UL Recognized (except clear)
CSA Certified (except clear)
*Mil. Spec: AMS-DTL-23053/5
Class 1 (colors) Class 2 (clear)
Yes No No
Black
Clear
Brown
Red
Orange
Yellow
Green
Blue
White
Yellow/Green
6" pieces
4' lengths,
25' to 1000'
reels
depending
on diameter
-67°F to 275°F
(-55°C to 135°C)
194°F
(90°C)
2:1
5
Years
Class 1
Self
Extinguishing
ASTM D2671
Procedure B
Class 2 N/A
Fluid Resistance per
AMS-DTL-23053
1000 psi min tensile
ASTM D638
400 V/mil min.
ASTM D2671
500 V/MIL.
(19.7 Kv/mm) min.
ASTM D2671
HSTTV
Polyolefin
(Cross-Linked)
Flexible, highly flame retardant
UV Resistant (Black only)
Strain relief, insulate, protect, and bundle
cables and electrical components in a wide
variety of applications
3/64" to 1 1/2"
(1.2mm to 38.1mm)
UL Recognized
(VW-1) CSA Certified *Mil.
Spec: AMS-DTL-23053/5
Class 3
Yes No No
Black
Red
Yellow
Green
Blue
White
6" pieces
4' lengths
25' to 1000'
reels
depending on
diameter
-67°F to 275°F
(-55°C to 135°C)
194°F
(90°C)
2:1
5
Years
Self
Extinguishing
ASTM D2671
Procedure C
VW-1 per UL224
Fluid Resistance per
AMS-DTL-23053
1000 psi min tensile
ASTM D638
400 V/mil min.
ASTM D2671
500 V/MIL.
(19.7 Kv/mm) min.
ASTM D2671
HSTTP
Polyvinylchloride-PVC
(Cross-Linked)
Flexible, stronger than polyolefin, highly
flame retardant, highly conformable,
resistant to most fuels and oils UV
Resistant
Applications with PVC wire and cable
insulation, strain relief, bundling and protection
from UV light, fading, harsh chemicals,
chlorinated cleaners, dirt and abrasion
3/64" to 2"
(1.2mm to 50.8mm)
UL Recognized
(VW-1) CSA Certified Mil.
Spec: AMS-DTL-23053/2
Class 1
Yes No No Black
25' to
1000' reels
depending on
diameter
-4°F to 221°F
(-20°C to 105°C)
212°F
(100°C)
2:1
1
Year
Self
Extinguishing
ASTM D876
VW-1 per UL224
Fluid Resistance per
AMS-DTL-23053
1800 psi min tensile
ASTM D638 280 V/mil min.
ASTM D2671
400 V/MIL.
(15.8 Kv/mm) min.
ASTM D2671
HSTTPN
Crystal Clear
Polyvinylchloride-PVC
Flexible, stronger than polyolefin, highly
flame retardant, crystal clear, resistant to
many chemicals and oils
Highly UV Resistant
Applications with PVC wire and cable insula-
tion, smooth clear cover, protecting wire and
cable markers, continuous inspection of splic-
es, and protection from UV fading
0.46" to 1.80"
(11.7mm to 45.7mm)
UL Recognized
(VW-1) CSA Certified Mil.
Spec: AMS-DTL-23053/2
Class 2
Yes No No Clear
4.38" to
100’lengths
-4°F to 221°F
(-20°C to 105°C)
212°F
(100°C)
2:1
1
Year
Self
Extinguishing
15 sec, 3 in
VW-1 per UL 224
Fluid Resistance per
AMS-DTL-23053
1800 psi min tensile
ASTM D638 280 V/mil min.
ASTM D2671
400 V/MIL.
(15.8 Kv/mm) min.
ASTM D2671
HSTTN
Elastomer Neoprene
(Cross-Linked)
Highly flexible even at low temperatures,
highly abrasion and tear resistant,
excellent chemical resistance especially
to fuels, oils, acids, hydraulic fluids, and
solvents UV Resistant
Insulate, protect wires, cables and electrical
components in rugged applications, including
military, marine and aerospace
1/4" to 2"
(6.4mm to 76.2mm)
Mil. Spec: AMS-DTL-23053/1
Class 1 and Class 2
Yes No No Black
25' and 100'
reels
-94°F to 250°F
(-70°C to 121°C)
275°F
(135°C)
2:1
5
Years
N/A
Fluid Resistance per
AMS-DTL-23053
1000 psi tensile
250% Elongation min
ASTM D638
250 V/mil min.
ASTM D2671
300 V/MIL.
(11.8 Kv/mm) min.
ASTM D2671
HSTTT
Polytetrafluorethylene
(TFE/PTFE)
Semi-rigid, highly chemical resistant,
non flammable, ETO and autoclave
sterilizable, widest temperature range of
any plastic material, UV Resistant, low
outgassing, and low coefficient of friction
Insulate, protect wires, cables and electrical
components requiring high insulation, high and
low temperature resistance including cryogenic
temperatures, clean rooms and aerospace,
and resistance to corrosive atmospheres
30 to 0 AWG and
9/16" to 1 1/2"
(0.9mm to 38.1mm)
Mil. Spec: AMS-DTL-23053/12
Class 3
Yes Yes*** Low Smoke Opaque 4' lengths
-88°F to 482°F
(-67°C to 250°C)
644°F
(340°C)
2:1
4
Years
Non-Flammable
(Highest flame
retardancy of
any plastic)
Fluid Resistance per
AMS-DTL-23053,
No Change
800 V/MIL.
(31.5 Kv/mm) min.
ASTM D2671
HSTTK
Fluoroplastic PVDF
(Cross-Linked)
Semi-rigid, high temperature resistance,
excellent abrasion, radiation, UV, and
chemical resistance, highly flame
retardant, low outgassing, transparent
insulation
Protection and strain relief for wires or
connectors in plenum applications and
severe environments, including nuclear
plants, automotive, and electrical
component jacketing
3/64" to 1"
(1.2mm to 25.4mm)
UL Recognized (VW-1)
*Mil. Spec: AMS-DTL-23053/8
Class 1 and 2
Yes Yes*** Low Smoke Clear 4' lengths
-67°F to 347°F
(-55°C to 175°C)
275°F
(135°C)
2:1
5
Years
Self
Extinguishing
ASTM D2671
Procedure C
VW-1 per
UL 224
Fluid Resistance per
AMS-DTL-23053
5000 psi min tensile
ASTM D638
500 V/mil min.
ASTM D2671
Size to 12.7mm
800 V/MIL.
(31.5 Kv/mm) min
Over 12.7mm
600 V/MIL.
(23.6 Kv/mm) min
ASTM D2671
D
A
M
P
HSTTVA
Polyolefin, Adhesive
Lined (Cross-Linked)
Amid, 105°C melt,
Amber Adhesive
Flexible, adhesive lined, highly flame
retardant outer wall
Seals and protects cables, components and
splices from moisture and corrosion, including
automotive, truck, and marine applications,
where greater flexibility is needed
1/8" to 1 1/2"
(3.2mm to 38.1mm)
UL Recognized
*Mil. Spec: AMS-DTL-23053/4
Class 2
Yes No No Black
6" pieces
4’lengths
-67°F to 230°F
(-55°C to 110°C)
248°F
(120°C)
2:1
5
Years
Self
Extinguishing
ASTM D2671
Procedure B,
Outer Wall
UL224 VW-1
Fluid Resistance per
AMS-DTL-23053
1000 psi min tensile
ASTM D638
400 V/mil min.
ASTM D2671
500 V/MIL.
(19.7 Kv/mm) min.
ASTM D2671
HSTTA
Polyolefin, Adhesive
Lined (Cross-Linked)
Amid, 105°C melt,
Amber Adhesive
Flexible, adhesive lined, wide shrink ratio,
highly flame retardant outer wall
Seals and protects cables, components and
splices from moisture and corrosion, including
automotive, truck, and marine applications
3/16" to 1 1/2"
(4.8mm to 38.1mm)
UL Recognized
*Mil. Spec: AMS-DTL-23053/4
Class 3
Yes No No Black
6" pieces
4' lengths
-67°F to 230°F
(-55°C to 110°C)
248°F
(120°C)
3:1
5
Years
Self
Extinguishing
ASTM D2671
Procedure B,
Outer Wall
UL224 VW-1
Fluid Resistance per
AMS-DTL-23053
900 psi min tensile
ASTM D638
200 V/mil min.
ASTM D2671
300 V/MIL.
(11.8 Kv/mm) min.
ASTM D2671
HSTT4A
Polyolefin, Adhesive
Lined (Cross-Linked)
Amid, 105°C melt,
Amber Adhesive
Flexible, adhesive lined, widest shrink
ratio, highly flame retardant outer wall
Seals and protects cables, components and
splices from moisture and corrosion, including
automotive, truck, and marine applications,
especially when working with large transitions
0.158" to 2.05"
(4.0mm to 52.0mm)
UL Recognized
*Mil. Spec: AMS-DTL-23053/4
Class 3
Yes No No Black 4' lengths
-67°F to 257°F
(-55°C to 125°C)
248°F
(120°C)
4:1
5
Years
Self
Extinguishing
ASTM D2671
Procedure B,
Outer Wall
UL224 VW-1
Fluid Resistance per
AMS-DTL-23053
900 psi min tensile
ASTM D638
200 V/mil min.
ASTM D2671
300 V/MIL.
(11.8 Kv/mm) min.
ASTM D2671
HSTTRA
Polyolefin, Adhesive
Lined (Cross-Linked)
Amid, 105°C melt,
Amber Adhesive
Semi-rigid, tough, adhesive lined, flame
retardant outer wall
Seals, protects and encapsulates cables,
components and splices from moisture and
corrosion. Heavy strain relief and rugged
protection against vibration and flexing.
1/8" to 1"
(3.2mm to 25.4mm)
UL Recognized
*Mil. Spec: AMS-DTL-23053/4
Class 1
Yes No No Black 4' lengths
-67°F to 230°F
(-55°C to 110°C)
257°F
(125°C)
2.5:1
5
Years
Outer Wall
UL224 VW-1
Fluid Resistance per
AMS-DTL-23053
1000 psi min tensile
ASTM D638
400 V/mil min.
ASTM D2671
500 V/MIL.
(19.7 Kv/mm) min.
ASTM D2671
W
E
T
HST
Polyolefin, Adhesive
Lined (Cross-Linked)
EVA, 119°C melt, Light
Tan Adhesive
Rigid, thick wall, adhesive lined, highly
flame retardant and sunlight resistant. UL
and CSA surface markings.
Seals, encapsulates and protects electrical
connections and splices above or below
ground. Especially in harsh environments
such as wind energy and solar applications.
Can be used at 1kV.
0.4" to 3.5"
(10.2mm to 88.9mm)
UL Recognized (VW-1 & Sunlight
Resistant, Black only) UL 486D
Listed (Direct Burial) CSA
Certified (except 3.0 & 3.5
Mil Spec: AMS-DTL-23053/15
Class 1
Yes No No
Black
Red
3" pieces
6" pieces
9" pieces
12" pieces
4' lengths
-67°F to 230°F
(-55°C to 110°C)
248°F
(120°C)
3:1
10
Years
Self
Extinguishing
ASTM D2671
Procedure C
VW-1 per
UL 224
Fluid Resistance per
AMS-DTL-23053
750 psi min tensile
ASTM D638
200 V/mil min.
ASTM D2671
200 V/MIL.
(7.9 Kv/mm) min.
ASTM D2671
HSEC
(End Cap)
Polyolefin, Adhesive
Lined (Cross-Linked)
EVA, 105°C melt,
Light Tan Adhesive
Semi-rigid, adhesive lined
Temporary or permanent watertight sealing of
cable ends, pipe and conduit
0.47" to 3.92"
(11.9mm to 99.6mm)
N/A Yes No No Black
Size
dependent
-40°F - 257°F
(-40°C - 125°C)
248°F
(120°C)
2.5:1
10
Years
N/A N/A N/A
HSECFR
(End Cap)
Polyolefin, Adhesive
Lined (Cross-Linked)
EVA, 119°C, Light Tan
adhesive
Rigid, thick wall, adhesive lined, highly
flame retardant, color changing lines for
optimal recovery
Temporary or permanent watertight sealing
of cable ends, pipe and conduit, in harsh
environments
0.51" to 2.0"
(13mm to 50.8mm)
UL Recognized Yes No No Black
Size
dependent
-67°F to 230°F
(-55°C to 110°C)
248°F
(120°C)
3:1
10
Years
UL94 V-0
Material
N/A N/A
Material Selection Criteria
For more detailed information, visit the Panduit website at www.panduit.com/heatshrink