Heat Shrink Tubing Rc 4.0 2:1 Red-Black Set 2 (1 + 1 )

RC Heat Shrink Tube 4.0 mm 2:1 Red-Black Set 2 m

4 mm 2:1 Heat Shrink Tube for Insulating Wires, Solders and RC/FPV Connections

Heat shrink tube 4.0 mm (2:1) made of flexible polyolefin ensures effective wire insulation, solder protection, and aesthetically pleasing installations in RC and FPV electronics. After heating, it shrinks to approximately 2.0 mm, creating a durable protective layer.

The set includes 1 m red and 1 m black tubing - ideal for marking polarity.

Key features and benefits

• • Shrink ratio 2:1 - from 4 mm to approx. 2 mm after heating

• • Optimal diameter for 16-20 AWG wires

• • 1 m red + 1 m black tubing - ideal for marking polarity

• • Chemical resistance to oils, greases and modelling fuels

• • Environmental durability - resistant to moisture, UV and variable temperatures

• • Halogen-free material - safe for the user and electronics

• • Flexible and durable - protects wires from abrasion

• • Aesthetic finish for installation and routing cables

• • Easy application: quick shrinking with a heat gun or hot air

• • Operating range: –55°C to +125°C

• • High mechanical resistance to abrasion

https://www.youtube.com/watch?v=0lSdS-e29KE

• • Diameter before shrinkage: 4.0 mm

• • Diameter after shrinkage: approx. 2.0 mm

• • Shrinkage ratio: 2:1

• • Material: polyolefin heat shrink

• • Shrinkage temperature: > 90°C

• • Operating range: –55°C / +125°C

• • Flammability standard: UL94 HB

• • Wire insulation 16–20 AWG

• • Solder protection XT30/XT60/JST/SM

• • Wire protection Power and Motor Wires

• • Marking the Positive and Negative Poles

• • Organizing Wires in RC Electronics

Instructions for Use

• • Cut the tube to the appropriate length

• • Slide it over the wire or soldered connection

• • Heat it evenly (heat gun, hot air)

• • The tube will shrink to approx. 2.0 mm

• • Leave it to cool

How to choose heat shrink tubing?

4.0 mm tubing is best suited for wires with a diameter of 2.0–3.2 mm, including:

• • 16–20 AWG silicone wires

• • servo and power cables

• • larger diameter FPV cables

What's in the kit

• • 1 m of red tube 4.0 mm

• • 1 m of black tube 4.0 mm

Technical data and data sheet of Salipt Heat Shrink Tubing

Frequently asked questions

WHAT IS THE 4 MM HEAT SHRINK TUBE USED FOR?

For insulating wires, securing solders and protecting 16-20 AWG cables.

IS IT SUITABLE FOR FPV DRONES?

Yes, it is often used for thicker wiring and power cables.

AT WHAT TEMPERATURE DOES IT SHRINK?

Above 90°C, full shrink at 110-120°C.

WHAT IS THE SHRINK RATIO?

2:1 - from 4 mm to approximately 2 mm.

Can the heat shrink tubing be cut?

Yes, the tubing can be easily cut to any length. It is recommended to leave a few millimeters extra on each side for a better fit.

IS THE KIT SUITABLE FOR MARKING POLARITY?

Yes - red tubing indicates positive, black negative.

Color: nan Size: M