Oil Resistant Cable (RVVY Type) — IEC 60227 / GB/T 5023 PVC Insulated PVC Sheathed Flexible Multi-Core Oil Resistant Cable with Nitrile Rubber-Modified Jacket for Machine Tool, Industrial Equipment, and Workshop Power Connection in Oil-Exposed Environments
Industrial, Mining & Control Cables /Oil Resistant Cable

Oil Resistant Cable (RVVY Type) — IEC 60227 / GB/T 5023 PVC Insulated PVC Sheathed Flexible Multi-Core Oil Resistant Cable with Nitrile Rubber-Modified Jacket for Machine Tool, Industrial Equipment, and Workshop Power Connection in Oil-Exposed Environments

Oil resistant cable RVVY: IEC 60227 / GB/T 5023 modified PVC/nitrile jacket, Class 5 copper, 300/500V and 450/750V. 2-5 cores, 0.75-35 mm². For machine tools, workshops, industrial equipment in oil-exposed environments. CE, CCC, RoHS.

Key Features

RVVY type designation — RV (PVC insulated flexible wire) + V (PVC sheath) + Y (oil resistant — 耐油 Nài Yóu, modified sheath compound); the 'Y' suffix designates the nitrile rubber-modified PVC outer sheath that provides the oil resistance that standard PVC (RVV type) cannot match
Nitrile rubber (NBR)-modified PVC outer sheath — the PVC compound is chemically modified with nitrile rubber to improve oil resistance; the NBR modification reduces the plasticizer migration from the PVC matrix when in contact with mineral oils, hydraulic fluids, and cutting oils — the primary degradation mechanism of standard PVC in oil-exposed environments
IEC 60227 / GB/T 5023 compliant — the international and Chinese standards for PVC insulated flexible cables; the RVV basic type is defined by IEC 60227-5 (flexible cords) and the oil-resistant Y variant is a manufacturer-specific compound modification that meets the standard's oil resistance test requirements per IEC 60811-404
Class 5 flexible stranded bare copper conductor — the flexible stranding provides the routing flexibility for the connection leads of portable machine tools, workshop equipment, and industrial machinery that must be moved, repositioned, and connected/disconnected in the oil-exposed factory floor environment
Black PVC/nitrile outer sheath — black RAL 9005; the carbon black content provides UV stabilisation for the sections of cable that are exposed to daylight (near factory windows, in outdoor machine tool areas); the black colour is practical in the oily workshop environment — it does not show oil stains
2–5 cores, 0.75–35 mm² — single-phase and three-phase power connections for machine tools, pumps, compressors, and industrial equipment; standard domestic RVV cable (no oil resistance) would degrade within months in the oily environment
Rated voltage 300/500 V and 450/750 V — 300/500 V (RVVY type 05) for light-duty portable machine tool and equipment connections; 450/750 V (RVVY type 07) for medium-duty industrial equipment connections where higher voltage class is required for the supply voltage (380/400 V three-phase)
Flame retardant to IEC 60332-1-2 — the modified PVC/nitrile sheath retains the inherent flame retardance of PVC; the NBR modification does not compromise the flame safety of the cable

Applications

Machine tool power connection — RVVY flexible cable with oil-resistant sheath connecting CNC lathes, milling machines, grinding machines, and machining centres to the factory power supply; the cable lies on the machine's cable tray or hangs from the cable management system, exposed to cutting oil mist and hydraulic oil dripsIndustrial pump and compressor connection — oil-resistant flexible cable for portable and semi-fixed pump and compressor power supply in factories, refineries, and process plants where the cable is in proximity to lubricating oil, hydraulic oil, and oil-laden condensationWorkshop equipment and portable tools — oil-resistant cable for the flexible power leads of portable welding machines, industrial vacuum cleaners, portable conveyors, and workshop equipment that is used in the oily environment of fabrication shops, maintenance workshops, and vehicle repair garagesInjection molding and plastics processing machinery — cable connecting the injection molding machine, extruder, or blow molding machine to the power supply in an environment where hydraulic oil leaks and oil mist from the machine's hydraulic system contaminate all nearby surfaces and cablesAutomotive service and repair equipment — oil-resistant cable for vehicle lifts, tyre-changing machines, wheel balancers, and diagnostic equipment in automotive workshops where the cable is exposed to engine oil, transmission fluid, brake fluid, and general workshop oil contaminationMarine engine room equipment — RVVY cable (with the Y oil-resistant jacket) is used for non-critical equipment power connections in engine rooms where the cable is exposed to lubricating oil, diesel fuel, and bilge water with oil contamination

Technical Specifications

Standard IEC 60227-5 (PVC insulated flexible cables — flexible cords); GB/T 5023.5 (China national standard, equivalent to IEC 60227-5); the basic RVV construction is per the standard; the Y (oil-resistant) variant is a manufacturer-specific compound modification tested for oil resistance per IEC 60811-404
Type Designation — RVVY R = flexible conductor (Class 5, 柔软 Róuruǎn); V = PVC core insulation; V = PVC outer sheath; Y = oil resistant (耐油 Nài Yóu) — nitrile rubber (NBR) modified PVC jacket compound
Type Designation — RVV (Non-Oil-Resistant) Standard PVC insulated and sheathed flexible cable without oil-resistant modification; for indoor, clean, dry environments only
Rated Voltage — Light Duty (05 Series) U₀/U = 300/500 V; core cross-sections ≤1.5 mm² per IEC 60227-5
Rated Voltage — Medium Duty (07 Series) U₀/U = 450/750 V; core cross-sections ≥1.5 mm²
Conductor Material Bare copper; IEC 60228 Class 5 flexible stranded; single wire diameter 0.20–0.41 mm
Conductor Cross-Sections — 300/500 V 0.75, 1.0, 1.5 mm²; 2–5 cores
Conductor Cross-Sections — 450/750 V 1.5, 2.5, 4, 6, 10, 16, 25, 35 mm²; 2–5 cores
Core Insulation — PVC PVC type TI1; 70°C continuous; the core colours per HD 308 S2: brown (L1), black (L2), grey (L3), blue (N), green-yellow (PE)
Core Assembly Concentric stranding of insulated cores with PP filler elements for cable circularity
Outer Sheath — PVC/NBR (Nitrile-Modified) PVC compound modified with nitrile rubber (NBR — acrylonitrile-butadiene rubber) at a blend ratio of approximately 70:30 PVC:NBR; the NBR modification reduces the plasticizer migration rate from the PVC when in contact with mineral oils — the primary mechanism by which standard PVC sheaths become brittle and crack in oily environments
Sheath Colour Black RAL 9005 (standard); grey or other colours on request
Maximum DC Conductor Resistance at 20°C Per IEC 60228 Class 5; 26.0 Ω/km (0.75 mm²) to 0.554 Ω/km (35 mm²)
Insulation Resistance at 20°C ≥10 MΩ·km (at 500 V DC, 1 min)
Test Voltage (AC) — 300/500 V 2 000 V AC / 5 min
Test Voltage (AC) — 450/750 V 2 500 V AC / 5 min
Temperature — Flexing -5°C to +50°C (PVC becomes stiffer at low temperature; the NBR modification does not significantly improve the low-temperature flexibility)
Temperature — Fixed -30°C to +70°C
Minimum Bend Radius 6× cable OD (occasional flexing); 4× cable OD (fixed routing)
Oil Resistance — PVC/NBR Sheath Good — the NBR-modified PVC resists mineral oil, hydraulic oil, cutting oil, and diesel fuel; tested per IEC 60811-404 (oil immersion at 100°C for 24 h, tensile strength retention ≥50%); for environments with severe and prolonged oil immersion, specify a PUR (polyurethane) or CR (neoprene) sheathed cable instead — the PVC/NBR blend is oil-resistant, not oil-immune
Flame Retardant IEC 60332-1-2 (single cable); the PVC/NBR blend retains the inherent flame retardance of the PVC component; the NBR addition does not significantly increase the flammability
Certifications CE; RoHS; CCC on request (China market); ISO 9001 manufactured

Detailed Description

What Is Oil Resistant Cable (RVVY)?

RVVY is a flexible multi-core PVC insulated cable with a modified PVC/nitrile rubber (NBR) outer sheath — the 'Y' suffix designates oil resistance (耐油 Nài Yóu). Standard RVV cable (PVC/PVC) is suitable for indoor, clean, dry environments. In an oily industrial environment — a machine shop floor, an automotive workshop, a hydraulic press area — the standard PVC sheath degrades within months: the mineral oil contact extracts the plasticizers from the PVC, the sheath becomes brittle, cracks, and exposes the conductors. RVVY's NBR-modified sheath resists this degradation, extending the cable's service life in the oil-exposed environment.

The NBR modification is not a complete solution — RVVY is oil-resistant, not oil-immune. For cables that will be submerged in oil, continuously saturated with hydraulic fluid, or exposed to aggressive cutting fluids, a PUR (polyurethane) or CR (neoprene) sheathed cable provides superior oil resistance. RVVY is the cost-effective middle ground: significantly better oil resistance than standard PVC, at a moderate cost premium, for the general workshop and factory floor environment where oil exposure is frequent but not continuous immersion.

Why Choose Yichi Oil Resistant Cables (RVVY Type)

  • NBR-modified PVC sheath — verified oil resistance to IEC 60811-404: The oil resistance is tested per the standard test method — oil immersion at 100°C for 24 hours, followed by tensile strength and elongation measurement. The sheath must retain ≥50% of its tensile strength and elongation after the test. This is the quantitative verification that the Y-modified sheath provides the oil resistance that standard PVC does not
  • Black sheath with carbon black UV stabilisation — practical for the industrial environment: The black colour and the carbon black content provide UV stabilisation for the cable sections exposed to daylight near factory windows and roller doors. The black colour also does not show the oil and dirt stains that would make a grey or white cable unsightly in the industrial environment
  • Class 5 flexible conductor — routes easily around machine tools: The flexible stranding accommodates the routing of the cable from the wall isolator to the machine's terminal box — through the machine's cable management system, around obstacles, and to the termination point. The cable is a connection lead, not a fixed installation cable — it moves with the machine when the machine is repositioned
  • Full 0.75–35 mm² and 2–5 core range — from lighting to motor power: The complete flexible cable range in an oil-resistant jacket — single-phase tool connections (3-core, 1.5 mm²), three-phase machine power (4-core or 5-core, 2.5–16 mm²), and larger industrial equipment connections (4-core, 25–35 mm²) — one cable type for all workshop flexible connections

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Product: Oil Resistant Cable (RVVY Type) — IEC 60227 / GB/T 5023 PVC Insulated PVC Sheathed Flexible Multi-Core Oil Resistant Cable with Nitrile Rubber-Modified Jacket for Machine Tool, Industrial Equipment, and Workshop Power Connection in Oil-Exposed Environments

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