3 to 1 is a semi flexible, cross linked polyolefin tube which possesses a meltable inner lining of adhesive that flows when heated. In addition to insulation and mechanical protection, this tubing provides a moisture proof seal for encapsulation of wires, splices, breakouts and components.

3:1 shrink ratio.

Continuous operating temperature range from -55 deg C to +110 deg C.

Semi-flexible.

Moisture sealing

Flame retardant.

Offered in black only at this time.

Applicable specifications AMS 3634 and MIL-I-23053/4-Class 3.