PVC Corrugated Flexible Conduit

Material Type

Chemical Composition

Key Properties

Common Applications

Standard PVC

Polyvinyl Chloride (Unplasticized)

Rigid, flame-retardant, cost-effective

Dry indoor electrical wiring

Flexible PVC

PVC + Plasticizers (e.g., Phthalates)

Soft, bendable, easy to install

Temporary wiring, DIY projects

UV-Resistant PVC

PVC + UV Stabilizers (e.g., Carbon Black)

Weatherproof, resists sunlight degradation

Outdoor lighting, solar installations

Halogen-Free PVC

PVC + Non-Halogen Additives

Low smoke/toxicity when burned (LSZH)

Public transport, tunnels

Oil-Resistant PVC

PVC + Special Polymer Blends

Withstands oils, greases, and mild chemicals

Automotive, machinery

Flame-Retardant PVC

PVC + FR Additives (e.g., Antimony Trioxide)

Self-extinguishing (UL94 V0/V1)

Data centers, high-rise buildings

Cold-Resistant PVC

PVC + Elasticity Retainers

Maintains flexibility in low temps (-30°C to +70°C)

Freezer rooms, cold storage facilities

Nominal Size (Metric)

Inner Diameter (mm)

Outer Diameter (mm)

Nominal Size (Inch)

16 mm

12.5 - 14.5

16 - 18

1/2"

20 mm

16 - 18

20 - 22

5/8"

25 mm

21 - 23

25 - 27

3/4"

32 mm

28 - 30

32 - 34

1"

40 mm

35 - 37

40 - 42

1¼"

50 mm

45 - 47

50 - 52

1½"

63 mm

58 - 60

63 - 65

2"

75 mm

70 - 72

75 - 77

2½"

90 mm

83 - 85

90 - 92

3"

110 mm

100 - 102

110 - 112

4"

Application Area

Usage Description

Key Benefits

Electrical Wiring

Protects electrical cables (power, data, telecom) from moisture, dust, and damage.

Not too heavy, flexible, corrosion-resistant, and non-conductive.

Residential Wiring

Used in walls, ceilings, and underground for home electrical installations.

Easy to bend and install, cost-effective, and provides insulation.

Commercial Buildings

Safeguards wiring in offices, malls, and industrial complexes.

self-extinguishing, durable, and resistant to chemicals.

Industrial Installations

Protects cables in factories, machinery, and harsh environments.

UV-resistant (if outdoor-rated), abrasion-resistant, and handles vibrations.

Outdoor/Underground Use

Buried or exposed for garden lighting, streetlights, and irrigation systems.

Waterproof, weatherproof, and resistant to soil acids and corrosion.

Data & Telecom

Shields fiber optic and network cables from interference and physical damage.

Smooth interior for easy cable pulling, EMI shielding (if metallic-coated).

HVAC Systems

Protects low-voltage wiring in heating, ventilation, and AC units.

Heat-resistant (typically up to 60–70°C), flexible for tight spaces.

Renewable Energy

Used in solar panel wiring and wind turbine cable management.

UV-stabilized for outdoor use, lightweight, and durable.

Automotive & Marine

Secures wiring in vehicles, boats, and outdoor equipment (if marine-grade).

Resistant to oils, fuels, and saltwater (special formulations available).

Temporary Installations

Ideal for events, construction sites, and portable equipment.

Easy to route and reuse, crush-resistant.