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Designed as a critical protective component in electrical and industrial systems, our Silicone Sealing Grommet integrates advanced material science with ergonomic design to safeguard cables and wires from environmental hazards while ensuring operational efficiency. Crafted from high-purity silicone rubber (VMQ) with controlled cross-linking, it delivers a dual benefit: excellent dielectric properties (insulating against electrical leakage) and superior flexibility to accommodate cable movement without compromising the seal. Unlike standard rubber grommets, its formulation resists hardening, cracking, or brittleness over time—even in outdoor or harsh industrial environments. The grommet’s self-lubricating surface (achieved through intrinsic material additives) simplifies installation, reducing assembly time by up to 30%, while its UV and ozone resistance guarantees a service life of 10+ years in outdoor applications, outperforming neoprene or EPDM alternatives in long-term durability.
Parameter | Value |
Material | Silicone rubber (VMQ) (UL 94 V-0 flame-retardant grade available, with flame spread index ≤25) |
Temperature Range | -60°C to 200°C (continuous operation, with short-term peaks to 220°C) |
Cable Diameter | Fits 2mm–50mm wires, with customizable ID/OD ratios (standard wall thickness 1.5mm–10mm) |
Sealing Pressure | Up to 10 bar (static), 5 bar (dynamic, with cable movement) |
IP Rating | IP68 (submersible up to 10m for 24 hours), IP69K (high- pressure washdown variants) |
Surface Finish | Smooth, non-stick texture (Ra ≤0.5μm) for easy cable insertion, with optional grip ribs |
Hermetic Sealing Performance: Creates a watertight and dustproof barrier (certified IP68) through a compression-based sealing mechanism, preventing ingress of moisture, dust, and debris in offshore wind turbine cable entry points and marine vessel electrical enclosures.
Abrasion & Cut Resistance: The self-healing surface matrix—reinforced with microfillers—resists cuts, abrasions, and wear from repeated cable movement, reducing the risk of insulation damage in robotic arm wiring harnesses and industrial machinery.
Broad Chemical Tolerance: Withstands exposure to petroleum-based lubricants, industrial solvents, and cleaning agents (including isopropyl alcohol and mild detergents), maintaining integrity in automotive engine bays and manufacturing cleanrooms.
Versatile Installation Options: Available in snap-fit, press-in, or adhesive-backed designs (with 3M VHB tape options) to accommodate diverse mounting requirements, reducing assembly complexity in control panels, junction boxes, and automotive wiring harnesses.
Customizable Configurations: Engineered in flanged, stepped, multi-hole, or oval designs to support complex cable routing, with integrated strain relief features to prevent cable pull-out in high-vibration applications.
Electrical Systems & Power Distribution: Sealing wire penetrations in medium-voltage switchgear, transformer enclosures, and LED lighting fixtures in outdoor stadiums and industrial facilities.
Automotive & Transportation: Engine compartment wiring grommets, battery terminal seals, and EV charging port cable entries, where resistance to battery electrolytes and road salts is essential.
Marine & Offshore: Protecting navigation system cables, radar wiring, and communication lines from saltwater ingress in boats, offshore platforms, and lighthouse electrical systems.
Industrial Automation & IoT: Securing sensor cables, actuator wiring, and data transmission lines in smart factory equipment, robotic cells, and outdoor IoT sensors exposed to harsh weather and industrial contaminants.
