Gardner Bender HST-999 Heat Shrink Tubing (1" to 1/2", 4" Length, Black):

Upgrade your electrical connections with Gardner Bender HST-999 Heat Shrink Tubing, designed for heavy-duty insulation and protection. This flame-retardant polyolefin tubing provides a secure seal against moisture, abrasion, and environmental stress, ensuring long-lasting performance in demanding applications. Perfect for large-gauge wires and industrial installations, it delivers a professional finish and superior durability.

Key Features

• Flame-Retardant Polyolefin: Self-extinguishing material for enhanced safety.
• Shrink Ratio 2:1: Reduces from 1" to 1/2" for a tight, secure fit.
• Moisture & Abrasion Protection: Shields wires from environmental and mechanical damage.
• Chemical & Solvent Resistance: Maintains integrity in harsh conditions.
• High Dielectric Strength: Rated at 600 V/mil for superior electrical insulation.
• Easy Application: Activates at moderate heat for quick, uniform shrinkage.

Specifications

• Part Number: HST-999
• Color: Black
• Length: 4 inches
• Diameter:
  • Pre-shrink: 1 inch
  • Post-shrink: 1/2 inch
• Shrink Ratio: 2:1
• Cable Size Compatibility: 4/0 to 2/0 AWG
• Material: Flame-retardant polyolefin
• Operating Temperature: -55 °C (-67 °F) to 135 °C (275 °F)
• Shrink Activation Temperature: 120 °C (250 °F) to 250 °C (480 °F)
• Standards Compliance: UL 224, CSA C22.2, MIL-DTL-23053/5
• Dielectric Strength: 600 V/mil

Applications

• Heavy-Duty Wire Insulation: Ideal for large gauge cables and industrial wiring.
• Cable Repair: Restores damaged insulation for extended cable life.
• Bundling & Strain Relief: Organizes wires and reduces stress on terminations.
• Automotive & Marine Use: Withstands vibration and harsh environments.
• Industrial & Residential Projects: Suitable for electrical maintenance and installations.