Page 1
Specification Sheet
Part Number:
308-31221
Heat Shrink Tubing, HIS-3-Bag, 3:1 Shrink Ratio, 1/2", 12.7/4.0 Dia, PO, Clear, 10/pkg
Article Number
308-31221
Type
HIS-3-BAG 12/4 CL
Color
Clear (CL)
Features & Benefits
• Thin wall, flexible 3 to 1 shrink ratio material accommodates a wide range of
component shapes and diameters. • Meets UL224 VW-1 specifications, making
it ideal for high heat applications (excludes clear tubing). • Polyolefin material
provides excellent insulation and mechanical strength with good resistance to
solvents, oils and fuels. • Available in bulk reels, sticks and convenience bags
(HIS-3 bags), for small to large volume applications.
Quantity Per
bag
Page 2
Product Description
TFN31 series heat shrink tubing features a flexible, thin wall and highly flame
retardant polyolefin material with a higher operating temperature range than
general-use heat shrink tubing. and offers good resistance to solvents, oils and
fuels. The 3 to 1 shrink ratio accommodates a variety of component shapes
and sizes. TFN31 tubing is available in bulk reels, sticks and convenience
bags (HIS-3 bags), for projects of all sizes.
Short Description
Heat Shrink Tubing, HIS-3-Bag, 3:1 Shrink Ratio, 1/2", 12.7/4.0 Dia, PO, Clear,
10/pkg
Global Part Name
HIS-3-BAG 12/4 CL-PO-X-CL
Length L (Metric)
200
Variant
Thin-Wall
Nominal Diameter (Imperial)
1/2
Nominal Diameter (Metric)
12.7
Wall Thickness WT (Imperial)
.031
Wall Thickness WT (Metric)
.80
Material
Polyolefin, cross-linked (PO-X)
Material Shortcut
PO-X
Flammability
UL 224 VW-1 (except clear)
Halogen free
No
Page 3
Operating Temperature (Metric)
-67°F to +275°F (-55°C to +135°C)
Reach Complaint(Article 33)
Yes
ROHS Complaint
Yes
Certification/Specification WEB
SAE - AMS - DTL-23053/5 Class 1 and 3 SAE - AMS - DTL-23053/5 Class 2
(clear) UL | ANSI/UL 224
UL Recognized (US and Canada)
Yes
Package Quantity(Imperial)
10
Package Quantity (Metric)
10
Customs Number
3926909987
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