

Polypropylene Corrugated Range
Looking for a tidy, safe and professional solution for completing electrical wiring installations? Be sure to take a look at our polypropylene flexible conduit today, here at Flex-It.
Polypropylene corrugated conduit is a very economical solution for a variety of applications – thanks to its high flexibility and extensive colour range. The R-Series is great for embedding into floors and walls – hence why it’s typically used for:
show more Manufactured from polypropylene, this type of conduit is very lightweight and easy to use. It also has a tendency to sustain harsh environments and offers excellent chemical resistance. The polypropylene flexible conduit is non-corrosive which means it can withstand impacts and toxic materials that may pass through cables. Here at Flex-It, we supply the polypropylene flexible conduit in all sizes, ranging from 7mm to 75mm, and in 20, 25, 50 and 100m coils. We stock them in an assortment of colourways, including black, blue, green, grey, orange, red, white and yellow; often without the need for large minimum order quantities (MOQs). To complement our polypropylene corrugated conduit range, we also have an extensive range of fittings to choose from. Ranging from black and coloured hinged fittings to push-fit IP65 straight fittings in packs of 10, and flange connectors in a choice of sizes, you needn’t worry about finding what you need to secure and protect your essential wiring. If you require more information about the polypropylene flexible conduit and fittings, you’re more than welcome to get in touch. The Flex-It team is always on hand and happy to help, so please don’t hesitate to drop us an email at sales@flex-it.co.uk. You can also call our experts on 01530 812 195, and we will gladly discuss your flexible conduit requirements further, over the phone. show less
Temperature Range: | -40°C to +120°C |
---|---|
Material: | Polypropylene |
Colour: | Black (All sizes) Colours (Varies, but 20, 25 & 32mm as standard) |
Ingress Protection: | IP40 as standard IP65 fittings available in some sizes |
LSOH: | 20, 25 & 32mm manufactured from LSOH polypropylene |
Other Information: | UV Resistant for 7mm to 32mm |
Want to learn more about our R-Series? Fill in the form below!
Product Code | Trade Size | Description | Internal Diameter | External Diameter | Coil Size |
---|---|---|---|---|---|
R07B-50M | 7mm | 7mm Black Polypropylene Corrugated Flexible Conduit | 6.9mm | 9.9mm | 50m |
R10B-50M | 10mm | 10mm Black Polypropylene Corrugated Flexible Conduit | 8.5mm | 11.6mm | 50m |
R12B-50M | 12mm | 12mm Black Polypropylene Corrugated Flexible Conduit | 10.1mm | 12.7mm | 50m |
R16B-100M | 16mm | 16mm Black Polypropylene Corrugated Flexible Conduit | 12.0mm | 16.0mm | 100m |
R20B-100M | 20mm | 20mm Black Polypropylene Corrugated Flexible Conduit | 16.8mm | 20.0mm | 100m |
R25B-100M | 25mm | 25mm Black Polypropylene Corrugated Flexible Conduit | 19.9mm | 25.0mm | 100m |
R32B-50M | 32mm | 32mm Black Polypropylene Corrugated Flexible Conduit | 26.5mm | 32.0mm | 50m |
R40B-25M | 40mm | 40mm Black Polypropylene Corrugated Flexible Conduit | 31.0mm | 40.0mm | 25m |
R50B-25M | 50mm | 50mm Black Polypropylene Corrugated Flexible Conduit | 39.0mm | 50.0mm | 25m |
R63B-10M | 63mm | 63mm Black Polypropylene Corrugated Flexible Conduit | 56.3mm | 67.2mm | 10m |
R75B-10M | 75mm | 75mm Black Polypropylene Corrugated Flexible Conduit | 66.5mm | 80.0mm | 10m |
Product Code | Trade Size | Description | Colours Available | Internal Diameter | External Diameter | Coil Size |
---|---|---|---|---|---|---|
R16#-100M | 16mm | 16mm Coloured Polypropylene Corrugated Flexible Conduit | Grey (G) & Orange (OR) | 12.0mm | 16.0mm | 100m |
R20#-100M | 20mm | 20mm Coloured Polypropylene Corrugated Flexible Conduit | Blue (BE), Green (GN), Grey (G), Orange (OR), Red (R), White (W) & Yellow (Y) |
16.8mm | 20.0mm | 100m |
R25#-100M | 25mm | 25mm Coloured Polypropylene Corrugated Flexible Conduit | Blue (BE), Green (GN), Grey (G), Orange (OR), Red (R), White (W) & Yellow (Y) |
19.9mm | 25.0mm | 100m |
R32#-50M | 32mm | 32mm Coloured Polypropylene Corrugated Flexible Conduit | Blue (BE), Green (GN), Grey (G), Orange (OR), Red (R), White (W) & Yellow (Y) |
26.5mm | 32.0mm | 50m |
R40OR-25M | 40mm | 40mm Orange Polypropylene Corrugated Flexible Conduit | Orange (OR) | 31.0mm | 40.0mm | 25m |
R50OR-25M | 50mm | 50mm Orange Polypropylene Corrugated Flexible Conduit | Orange (OR) | 39.0mm | 50.0mm | 25m |


- Locknuts included
- Hinged/wrap around fitting
- IP40
Black Polypropylene Hinged Fittings
Product Code | Description | Conduit Size | Thread Size | Pack Size |
---|---|---|---|---|
RF16B | 16mm Black Polypropylene Hinged Fitting c/w Locknut | 16mm | M16 x 1.5mm | 10 |
RF20B | 20mm Black Polypropylene Hinged Fitting c/w Locknut | 20mm | M20 x 1.5mm | 10 |
RF25B | 25mm Black Polypropylene Hinged Fitting c/w Locknut | 25mm | M25 x 1.5mm | 10 |
RF32B | 32mm Black Polypropylene Hinged Fitting c/w Locknut | 32mm | M32 x 1.5mm | 10 |
RF40B | 40mm Black Polypropylene Hinged Fitting c/w Locknut | 40mm | M40 x 1.5mm | 10 |
RF50B | 50mm Black Polypropylene Hinged Fitting c/w Locknut | 50mm | M50 x 1.5mm | 10 |


- Locknuts included
- Hinged/wrap around fitting
- IP40
Coloured Polypropylene Hinged Fittings
Product Code | Description | Colours Available | Thread Size | Pack Size |
---|---|---|---|---|
RF16# | 16mm Coloured Polypropylene Hinged Fitting c/w Locknut | Grey (G) | M16 x 1.5mm | 10 |
RF20# | 20mm Coloured Polypropylene Hinged Fitting c/w Locknut | Blue (BE), Grey (G), Red (R), White (W) & Yellow (Y) |
M20 x 1.5mm | 10 |
RF25# | 25mm Coloured Polypropylene Hinged Fitting c/w Locknut | Blue (BE), Grey (G), Red (R), White (W) & Yellow (Y) |
M25 x 1.5mm | 10 |
RF32# | 32mm Coloured Polypropylene Hinged Fitting c/w Locknut | Blue (BE), Grey (G), Red (R), White (W) & Yellow (Y) |
M32 x 1.5mm | 10 |
Please replace # in product code with the colour code.


- Locknuts included
- Manufactured from PA6 Nylon
- Push-fit design
- IP65
Push-Fit IP65 Straight Fittings
Product Code | Description | Conduit Size | Thread Size | Pack Size |
---|---|---|---|---|
HF10-PG7 | 10mm Push-Fit Straight Fitting c/w Locknut | 10mm | PG7 | 10 |
HF12B | 12mm Push-Fit Straight Fitting c/w Locknut | 12mm | M16 x 1.5mm | 10 |
HF16B | 16mm Push-Fit Straight Fitting c/w Locknut | 16mm | M16 x 1.5mm | 10 |
RF20BPF | 20mm Push-Fit Straight Fitting c/w Locknut | 20mm | M20 x 1.5mm | 10 |
RF25BPF | 25mm Push-Fit Straight Fitting c/w Locknut | 25mm | M25 x 1.5mm | 10 |


- Gland features four holes for securing/installing
- Manufactured from PA6 Nylon
- IP54
Bulk Head/Flange Connectors
Product Code | Description | Conduit Code | Pack Size |
---|---|---|---|
RF63B | 63mm Black Bulk Head Connector | R63B-20M | 1 |
RF75B | 75mm Black Bulk Head Connector | R75B-20M | 1 |