3M FP-301 heat shrink tubing is a flexible, polyolefin tubing designed for a wide range of industrial and military applications. It provides excellent electrical insulation, mechanical protection, and chemical resistance. The tubing's 2:1 shrink ratio allows for a tight, secure fit over various components. It is commonly used for cable splices, wire harness covering, wire marking, wire bundling, component packaging, and fire-resistant covering. Rated for continuous operation at -55°C to 135°C and short periods up to 300°C, it offers durability in demanding environments.
description: Excellent balance of electrical, physical, and chemical properties
shrink_ratio: 2:1
minimum_shrink_temperature: 100°C (212°F)
operating_temperature_range: -55°C (-67°F) to 135°C (275°F)
tensile_strength: 2400 psi
ultimate_elongation: 400%
longitudinal_change: ±5%
secant_modulus_2_percent: 13,000 psi
specific_gravity_opaque: 1.3
specific_gravity_clear: 0.93
heat_aging_336_hrs_175_c: Elongation 175%
heat_shock_4_hrs_250_c: No dripping, flowing, cracking, passes mandrel wrap test
low_temperature_flexibility_4_hrs_55_c: No cracking
dielectric_strength: 900 V/mil
volume_resistivity: 1015 ohm/cm
corrosion_resistance_copper_mirror: Non-corrosive
fungus_resistance: Non-nutrient
water_absorption: 0.2%
solvent_resistance: Excellent
agency_approvals: ['AS23053/5, Class 1, Class 2', 'UL Recognized, File E-39100, at 600 volts maximum @ 125°C', 'CSA Certified, CSA LR38227, at 600 volts maximum @ 125°C']