Stress Controlled Heat Shrink Tube

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Stress Controlled Heat Shrink Tube

Stress Controlled Heat Shrink Tube

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Axis Stress Controlled Heat Shrink Tubes are designed for medium-voltage (MV) applications to provide superior electrical insulation and stress control at cable terminations and joints. Made from cross-linked polyolefin materials, these tubes offer excellent dielectric properties, mechanical strength, and environmental resistance. They effectively distribute electrical stress, reducing the risk of insulation failure. When heated, the tubes shrink uniformly, forming a tight, protective layer that adapts to various cable sizes. These tubes ensure the reliability, safety, and efficiency of electrical systems in MV applications.

Description

Technical Data

Technical Table

Features

Description

Axis Stress Controlled Heat Shrink Tubes are engineered to provide superior electrical insulation and stress control in medium-voltage (MV) applications. These tubes are designed to manage electrical stress at cable terminations and joints, ensuring the reliability and longevity of power distribution systems.

Manufactured from cross-linked polyolefin materials, these heat shrink tubes offer excellent dielectric properties, mechanical strength, and resistance to environmental factors. The stress control mechanism effectively distributes electrical stress, minimizing the risk of insulation failure due to electrical discharges or surface tracking.

Upon application of heat, the tubing shrinks uniformly to form a tight, protective layer over cable joints and terminations. This process ensures a secure fit that adapts to various cable sizes and configurations, providing consistent performance across diverse installation scenarios.

Axis Stress Controlled Heat Shrink Tubes are an essential component in maintaining the safety and efficiency of electrical systems, providing reliable insulation and stress management in medium-voltage applications.

Technical Data

Property	Test Method	Standard Value
Tensile Strength	ASTM-D-638	≥10MPa
Elongation at Break	ASTM-D-638	≥350%
Tensile Strength Variation After Heat Aging（130℃x168h）	ASTM-D-5510	≤±20%
Elongation at Break Variation After Heat Aging（130℃x168h）	ASTM-D-5510	≤±20%
Volume resistivity	IEC 60093	≥1×1010Ω.cm
Dielectric Constant	IEC 60250	≤15
Hardness（Shore A）	ISO 868	≥80
Longitudinal Shrinkage	ASTM-D-2671	≤5%
Eccentricity	ASTM-D-2671	≤30%

Technical Table

Inner Diameter minWall Thickness (±0.3)Inner Diameter maxWall Thickness (±0.3)

As Supplied/mm		After Recovered/mm		Standard Cut Length /mm	Standard Continous Length(m/roll)
30	0.8	11	2	Standard Cut Length /mm	Standard Continous Length(m/roll)	1000-1200	25
35	0.8	14	2	1000-1200	25
40	0.8	17	2	1000-1200	25
45	0.8	20	2	1000-1200	25
50	1.2	22	2.6	1000-1200	25
55	1.4	24	3.3	1000-1200	15
60	1.3	29	3.3	1000-1200	15
70	1.3	29	3	1000-1200	15
80	1.2	29	3	1000-1200	15
95	1.4	42	3.6	1000-1200	15
100	1.3	43	3.6	1000-1200	15
120	1.1	45	3.6	1000-1200	15

Features

Features –

Effective Stress Control: Incorporates high-dielectric constant (Hi-K) materials to evenly distribute electrical stress, reducing the likelihood of insulation breakdown.
High Dielectric Strength: Ensures robust electrical insulation suitable for MV applications.
Durable Material Composition: Made from cross-linked polyolefin, offering resistance to abrasion, chemicals, and environmental degradation.
Weather and UV Resistance: Designed to withstand outdoor conditions, including exposure to ultraviolet radiation and varying weather patterns.
Flame Retardant and Halogen-Free: Enhances safety by reducing fire hazards and limiting the release of toxic gases during combustion.
3:1 Shrink Ratio: Accommodates a wide range of cable sizes, ensuring a snug fit and simplifying inventory requirements.
Operating Temperature Range: Capable of performing reliably across a broad temperature spectrum, maintaining flexibility and insulating properties in both hot and cold environments.

Material –

Prepared using crosslinked polyolefins

Application –

Cable Terminations: Provides stress relief and insulation at the endpoints of cables, ensuring safe and efficient power transmission.
Cable Joints: Protects and insulates spliced sections of cables, maintaining system integrity and performance.
Switchgear and Transformer Connections: Ensures reliable insulation and stress control in critical components of power distribution networks.
Industrial and Utility Installations: Suitable for use in various settings, including substations, manufacturing facilities, and renewable energy installations.

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Kandivali Co-Op Industrial Est. Ltd., Kandivali (W), Mumbai – 400067,
India.

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Stress Controlled Heat Shrink Tube