3M Heat Shrink Tubing FP-301
Flexible, Polyolefin
Data Sheet July 2010
Description 3M Heat Shrink Tubing FP-301 offers an outstanding balance of electrical,
physical and chemical properties for a wide variety of industrial and military
applications. Rated for 135C continuous operation, all FP-301 tubing is split
resistant, mechanically tough, easily marked and resists cold flow.
FP-301 tubing is rated for continuous operation at -55C (-67F) to 135C (275F),
and is designed to withstand elevated temperatures to 300C (572F) for short
periods. Minimum shrink temperature for all FP-301 tubing is 100C (212F).
Agency Approvals & Meets requirements of:
Self Certifications
SAE-AMS-DTL-23053/5, Class 1, Class 2 (Clear)*
AMS-3636, AMS-3637
UL Recognized, File E-39100, at 600 volts maximum @ 125C
CSA Certified, CSA LR38227, at 600 volts maximum @ 125C
ABS
*Formerly MIL-I-23053/5 and MIL-DTL-23053/5
Applications FP-301 tubing is typically used as a shrink-fit electrical insulation over cable splices
and terminations. It is also used for lightweight wire harness covering, wire
marking, wire bundling, component packaging and fire-resistant covering.
Shrink Ratio FP-301 tubing has a 2:1 shrink ratio. When freely recovered, the tubing will shrink
to 50% of its as-supplied internal diameter. The recovered wall thickness is
proportional to the degree of recovery.
Standard Sizes and
Ordering Expanded I.D. Recovered I.D. Recovered Wall
Dimensions
Size (Minimum) (Maximum Thickness (Nominal)
(Nominal) In. (mm) In. (mm) In. (mm)
3/64 .046 (1,17) .023 (0,58) .016 (0,41)
1/16 .063 (1,60) .031 (0,79) .017 (0,43)
3/32 .093 2,36) .046 (1,17) .020 (0,51)
1/8 .125 (3,18) .062 (1,57) .020 (0,51)
3/16 .187 (4,75) .093 (2,36) .020 (0,51)
1/4 .250 (6,35) .125 (3,18) .025 (0,64)
3/8 .375 (9,53) .187 (4,75) .025 (0,64)
1/2 .500 (12,70) .250 (6,35) .025 (0,64)
3/4 .750 (19,05) .375 (9,53) .030 (0,76)
1 1.000 (25,40) .500 (12,70) .035 (0,89)
1-1/2 1,500 (38,10) .750 (19,05) .040 (1,02)
2 2.000 (50,80) 1.000 (25,40) .045 (1,14)
3 3.000 (76,20) 1.500 (38,10) .050 (1,27)
4 4.000 (101,60) 2.000 (50,80) .055 (1,40)
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Typical Properties
Not for specifications. Values are typical, not to be considered minimum or maximum.
Properties measured at room temperature 73F (23C) unless otherwise stated.
Typical Value
Physical Property
US units (metric)
Tensile Strength 2400 psi
Ultimate Elongation 400%
Longitudinal Change 5%
Secant Modulus (2%) 13,000 psi
1.3 (Opaque)
Specific Gravity
.93 (Clear)
Operating Temperature -67 to 275F (-55 to +135C)
Shrink Temperature (minimum) 212F (100C)
Heat Aging (336 hrs. @ 175 C) Elongation 175%
No dripping, flowing, cracking,
Heat shock (4 hrs. @ 250 C)
passes mandrel wrap test
Low Temperature Flexibility
No cracking
(4 hrs @ -55 C)
Scant Modules (2%) 13,000 psi
Flammability
Self-extinguish, Meets UL 224 All-Tubing Pass
Flame Test (Except Clear)
Electrical Property (Test Method) Typical Value
Dielectric Strength 900 V/mil
15
Volume Resistivity 10 ohm/cm
Chemical Property (Test Method) Typical Value
Corrosion Resistance (Copper mirror) Non-corrosive
Fungus Resistance Non-nutrient
Water Absorption 0.2%
Solvent Resistance Excellent
Standard Colors Black, Clear
Also available in Blue, Green, Red, White and Yellow. Price, MOQ and Lead
Time will vary for these colors. Please contact Local Sales Representative or
Customer Service Representative for more information.
NOTE: The clear tubing is not flame retardant or UL listed.
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