Superior Protection for HEV & EV High Voltage Cables
The outstanding cut-through resistance of our double-layer self-closing sleeve makes it an ideal solution for hybrid-electric (HEV) and electric vehicle (EV) cable protection.
In crash or extreme operating conditions, the sleeve helps isolate high-voltage cables from the vehicle’s conductive chassis, enabling manufacturers to meet stringent automotive safety standards while ensuring long-term reliability.
Lightweight, Flexible & Easy to Install
Despite its robust construction, the sleeve maintains a lightweight and highly flexible structure, allowing easy cable routing without increasing harness bulk or vehicle weight.
The self-closing (self-wrapping) design enables:
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Quick installation without disconnecting connectors
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Easy inspection, maintenance, or rework
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Secure closure around cables and wire bundles
Key Performance Properties
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Temperature Rating:
Continuous operation up to +150°C (+302°F) -
Flammability:
SAE J369 – Self-extinguishing -
Low Temperature Flexibility:
BH 100-016A – Pass at -40°C -
Chipping Resistance:
SAE J400 – Pass -
Dynamic Cut-Through Resistance:
ASTM D3032-04, Section 22 (Modified)
Average resistance: 650 N -
Fluid Resistance:
D47 1924 – Pass
Color Options for High Voltage Identification
To support safety and easy identification in vehicle wiring systems, our double-layer self-closing sleeve is available in:
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Orange – for high-voltage HEV / EV cables
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Black – for standard automotive and industrial applications
Typical Applications
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HEV / EV high-voltage cable protection
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Automotive wiring harnesses
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Power distribution cables
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Areas requiring high cut-through and abrasion resistance
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Crash-sensitive cable routing zones
Why Choose Ritch Double Layer Self-Closing Sleeve?
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Excellent cut-through protection
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Proven compliance with automotive industry standards
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Lightweight, flexible, and durable design
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Easy installation with a self-wrapping structure
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Reliable solution for high-voltage cable safety
