Description:
Flexible, self-extinguishing thin-wall heat-shrink polyolefin tubing, UL/CSA recognized. For electrical insulation, strain relief and wire bundling..
Shrink ratio: 2:1
Materials: Crosslinked EVA
Installation temperature:
- Shrinking temperature: > 90°C
- Operating temperature: -55°C to +135°C
Features and benefits
- UL Recognized Component (US & Canada)
- Wide range of sizes and colors
- Fast installation with heat guns
- Wide temperature window
- Self-extinguishing 3)
- Remains flexible after recovery
- 600V insulation rating
3) All colors except clear
Download:
NF201 | Supplementary safety information
Standard packaging:
Reel,
Dispenser box,
Meter length
Related products:
NS201,
NF301,
NF301P,
HAG,
CHAG
Tags

| DIMENSIONS | |||||
|---|---|---|---|---|---|
| Size | Min. Ø supplied "D" [mm] | Max. Ø recovered "d" [mm] | Recovered wall thickness [NOM] "W" [mm] | Min, concentricity expanded [%] | |
| [inch] | [mm] | ||||
| 3/64 | 1,2 | 1,2 | 0,6 | 0,41 | 65 |
| 1/16 | 1,6 | 1,6 | 0,8 | 0,43 | 65 |
| 3/32 | 2,4 | 2,4 | 1,2 | 0,51 | 65 |
| 1/8 | 3,2 | 3,2 | 1,6 | 0,51 | 65 |
| 3/16 | 4,8 | 4,8 | 2,4 | 0,51 | 65 |
| 1/4 | 6,4 | 6,4 | 3,2 | 0,65 | 65 |
| 3/8 | 9,5 | 9,5 | 4,8 | 0,65 | 65 |
| 1/2 | 12,7 | 12,7 | 6,4 | 0,65 | 65 |
| 5/81) | 15,9 | 15,9 | 7,9 | 0,70 | 65 |
| 3/4 | 19,1 | 19,1 | 9,5 | 0,77 | 65 |
| 1 | 25,4 | 25,4 | 12,7 | 0,89 | 65 |
| 1 1/41) | 31,8 | 31,8 | 15,9 | 0,95 | 65 |
| 1 1/2 | 38,1 | 38,1 | 19,1 | 1,00 | 65 |
| 2 | 50,8 | 50,8 | 25,4 | 1,10 | 65 |
| 31) | 76,2 | 76,2 | 38,1 | 1,27 | 65 |
| 41) | 101,6 | 101,6 | 50,8 | 1,40 | 65 |
1) Non-standard size (except color black)
Physical properties:
| Description | Test method | Requirements | Test results |
|---|---|---|---|
| Dimensional | EN IEC 60684-2 | in-house | pass |
| Tensile strength | min. 10,3MPa | 11MPa | |
| Elongation at break | min. 200% | 284% | |
| Secant modulus at 2% | max. 173MPa | 115MPa | |
| Longitudinal change | -10 to +5% | pass | |
| Restricted shrinkage | no cracking or splitting | pass | |
| Water absorption | max. 1% | 0,5% | |
| Density | - | 1,40 |
Thermal properties:
| Description | Test method | Requirements | Test results |
|---|---|---|---|
| Heat shock 4h at 250°C | EN IEC 60684-2 | - | - |
| - Visual | no signs of dripping and cracking | pass | |
| - Flow | max. 10% | ||
| - Visual after bending | no cracking when cooled and wound 360° around a mandrel | ||
| Heat ageing 168h at 160°C | - | - | |
| - Tensile strength | min. 7,3MPa | 12MPa | |
| - Elongation at break | min. 100% | 300% | |
| - Breakdown voltage | min. 2,5kV and not less than 50% breakdown of the un-aged sleeving | pass: 23kV | |
| Bending at low temp. -55°C | no cracking shall be visible | pass |
Fire properties:
| Description | Test method | Requirements | Test results |
|---|---|---|---|
| Vertical flammability - flame test | UL224 pt. 5.11 |
time of burning ≤60s; the indicator flag shall not be damaged more than 25%; no ignition of the cotton |
pass 3) |
Physicochemical properties:
| Description | Test method | Requirements | Test results |
|---|---|---|---|
| 1000 h UV resistance, (8 h UV / 4 h condensation) | ASTM G154 | min. 50% of non-aged physical properties | pass |
| - Tensile strength | |||
| - Elongation at break |
Electrical properties:
| Description | Test method | Requirements | Test results |
|---|---|---|---|
| Breakdown voltage | EN IEC 60684-2 | min. 2,5kV | 20kV |
| Volume resistivity at room temp. | min. 1012Ωm | 1,5*1012Ωm | |
| Breakdown voltage DC at room temp. | EN IEC 60243-2 | - | min. 30kV |
| Voltage rating | UL224 | 600V | 600V |
Note: Unless otherwise stated, all values are determined in accordance with EN IEC 60684-2. The measured characteristics correspond to properties commonly evaluated under ASTM D2671.
3) All colors except clear
Certification:
UL224 / CSA C22.2 No. 198.1 File E228117, 125°C, 600V 2)
2) Recovered ID up to 38.1 mm (size 4" not covered). All colors except clear.
Approval:
- Complies with REACH and RoHS
Description:
Flexible, self-extinguishing thin-wall heat-shrink polyolefin tubing, UL/CSA recognized. High shrink ratio for wire harnesses, splices and cable terminations.
Shrink ratio: 3:1
Materials: Crosslinked EVA
Installation temperature:
- Shrinking temperature: > 90°C
- Operating temperature: -55°C to +135°C
Features and benefits
- UL Recognized Component (US & Canada)
- 3:1 ratio - fits parts 3x larger than the cable
- Wide range of sizes and colors
- Fast installation with heat guns
- Wide temperature window
- Self-extinguishing 3)
- Remains flexible after recovery
- 600V insulation rating
3) All colors except clear
Download:
NF301 | Supplementary safety information
Standard packaging:
Reel,
Dispenser box,
Meter length
Related products:
NS201,
NF201,
NF301P,
HAG,
CHAG
Tags

| DIMENSIONS | ||||
|---|---|---|---|---|
| Size | Min. Ø supplied "D" [mm] | Max. Ø recovered "d" [mm] | Recovered wall thickness [NOM] "W" [mm] | Min, concentricity expanded [%] |
| [mm] | ||||
| 1,51) | 1,5 | 0,5 | 0,45 | 50 |
| 3,0 | 3,0 | 1,0 | 0,55 | 50 |
| 4,81) | 4,8 | 1,5 | 0,60 | 50 |
| 6,0 | 6,0 | 2,0 | 0,70 | 50 |
| 9,0 | 9,0 | 3,0 | 0,70 | 50 |
| 12,0 | 12,0 | 4,0 | 0,70 | 50 |
| 18,0 | 18,0 | 6,0 | 0,80 | 50 |
| 24,0 | 24,0 | 8,0 | 1,00 | 50 |
| 39,0 | 39,0 | 13,0 | 1,15 | 50 |
1) Non-standard sizes: 1,5/0,5 (except colors black and green/yellow) and 4,8/1,5 (except color black)
Physical properties:
| Description | Test method | Requirements | Test results |
|---|---|---|---|
| Dimensional | EN IEC 60684-2 | in-house | pass |
| Tensile strength | min. 10,3MPa | 14MPa | |
| Elongation at break | min. 200% | 375% | |
| Secant modulus at 2% | max. 173MPa | 120MPa | |
| Longitudinal change | -10 to +5% | pass | |
| Restricted shrinkage | no cracking or splitting | pass | |
| Water absorption | max. 1% | 0,85% | |
| Density | - | 1,30 |
Thermal properties:
| Description | Test method | Requirements | Test results |
|---|---|---|---|
| Heat shock 4h at 250°C | EN IEC 60684-2 | - | - |
| - Visual | no signs of dripping and cracking | pass | |
| - Flow | max. 10% | ||
| - Visual after bending | no cracking when cooled and wound 360° around a mandrel | ||
| Heat ageing 168h at 160°C | - | - | |
| - Tensile strength | min. 7,3MPa | 15MPa | |
| - Elongation at break | min. 100% | 350% | |
| - Breakdown voltage | min. 2,5kV and not less than 50% breakdown of the un-aged sleeving | pass: 26kV | |
| Bending at low temp. -55°C | no cracking shall be visible | pass |
Fire properties:
| Description | Test method | Requirements | Test results |
|---|---|---|---|
| Vertical flammability - flame test | UL224 pt. 5.11 |
time of burning ≤60s; the indicator flag shall not be damaged more than 25%; no ignition of the cotton |
pass 3) |
| Horizontal flammability - burning rate | VW TL 1010 | burning rate ≤ 100mm/min | pass |
| Glow-wire flammability | EN IEC 60695-2-11 | 750°C, 30s | no ignition |
Physicochemical properties:
| Description | Test method | Requirements | Test results |
|---|---|---|---|
| 1000 h UV resistance, (8 h UV / 4 h condensation) | ASTM G154 | min. 50% of non-aged physical properties | pass |
| - Tensile strength | |||
| - Elongation at break | |||
| Fungus resistance | EN IEC 60684-2 | - | - |
| - Tensile strength | min. 7MPA | 15MPa | |
| - Elongation at break | min. 200% | 440% |
Electrical properties:
| Description | Test method | Requirements | Test results |
|---|---|---|---|
| Breakdown voltage | EN IEC 60684-2 | min. 2,5kV | 22kV |
| Volume resistivity at room temp. | min. 1012Ωm | 2,5*1012Ωm | |
| Voltage rating | UL224 | 600V | 600V |
Note: Unless otherwise stated, all values are determined in accordance with EN IEC 60684-2. The measured characteristics correspond to properties commonly evaluated under ASTM D2671.
3) All colors except clear
Certification:
UL224 / CSA C22.2 No. 198.1 File E228117, 125°C, 600V 2)
2) Recovered ID up to 13.0 mm. All colors except clear
Approval:
- Complies with REACH and RoHS

Description:
Highly flame retardant, very flexible, UL224-VW1, high grade thin wall heat shrink polyolefin tubing, suitable for high quality demanding applications to protect, insulate, cover or jacket harness systems.
Features:
- Highly flame retardant
- UL224-VW1
- Shrink ratio 2:1
- Excellent chemical, physical & electrical properties
- Shrink temperature > 90°C
- Operating temperature -55°C to +135°C
Download:
NS201 | Supplementary safety information
Standard packaging:
Meter lengths,
Dispenser boxes,
Reels
| Size [inch] | Size [mm] | Minimum inside diameter supplied [mm] | Maximum inside diameter recovered [mm] | Wall thickness recovered [nominal value, mm] |
|---|---|---|---|---|
| 1/16 | 1,6 | 1,6 | 0,8 | 0,43 |
| 3/32 | 2,4 | 2,4 | 1,2 | 0,51 |
| 1/8 | 3,2 | 3,2 | 1,6 | 0,51 |
| 3/16 | 4,8 | 4,8 | 2,4 | 0,51 |
| 1/4 | 6,4 | 6,4 | 3,2 | 0,64 |
| 3/8 | 9,5 | 9,5 | 4,8 | 0,64 |
| 1/2 | 12,7 | 12,7 | 6,4 | 0,64 |
| 5/8* | 15,9 | 15,9 | 7,9 | 0,70 |
| 3/4 | 19,1 | 19,1 | 9,5 | 0,77 |
| 1 | 25,4 | 25,4 | 12,7 | 0,89 |
| 1 1/4* | 31,8 | 31,8 | 15,9 | 0,95 |
| 1 1/2 | 38,1 | 38,1 | 19,1 | 1,02 |
| 2 | 50,8 | 50,8 | 25,4 | 1,14 |
| 3 | 76,2 | 76,2 | 38,1 | 1,27 |
| 4 | 101,6 | 101,6 | 50,8 | 1,40 |
* Non standard sizes: (except black)
Physical properties:
| Property | Test method | Typical value |
|---|---|---|
| Tensile strength | ASTM D638 | 13 N/mm2 |
| Elongation at break | ASTM D638 | 300% |
| Longitudinal change | ASTM D2671 | -5% to +5% |
| Water absorption | ASTM D570 | max. 0,5% |
| Specific gravity | ASTM D792 | 1,45 |
Thermal properties:
| Property | Test method | Typical value |
|---|---|---|
| Heat shock 4 hours at 250°C | ASTM D2671 | no dripping, cracking or flowing |
| Heat aging 168 hours at 175°C | ASTM D2671 | elongation 250% |
| Low temp. flexibility at -55°C | ASTM D2671 C | no cracking |
| Flammability | UL224-VW1 | pass |
Electrical properties:
| Property | Test method | Typical value |
|---|---|---|
| Dielectric strength | ASTM D2671 | 20kV/mm |
| Volume resistivity | ASTM D257 | 1014 ohm/cm |
Chemical properties:
| Property | Test method | Typical value |
|---|---|---|
| Chemical resistance | EN 60684-2-36 | very good |
| Copper corrosion | STM D2671 B | no corrosion |
Norms:
- UL 224-VW1, 125°C Cert. UL E228117, CSA C 22.2 No. 198.1-98, OFT
Description:
Flexible, self-extinguishing thin-wall heat-shrink polyolefin tubing, UL/CSA recognized High shrink ratio designed and sized to be flattened for identification purposes.
Shrink ratio: 3:1
Materials: Crosslinked EVA
Installation temperature:
- Shrinking temperature: > 90°C
- Operating temperature: -55°C to +135°C
Features and benefits
- UL Recognized Component (US & Canada)
- 3:1 ratio - fits parts 3x larger than the cable
- Wide range of sizes
- Fast installation with heat guns
- Wide temperature window
- Self-extinguishing
- Remains flexible after recovery
- 600V insulation rating
Download:
NF301P | Supplementary safety information
Standard packaging:
Reel
Related products:
FLNF301P,
NS201,
NF201,
NF301,
HAG,
CHAG
Tags

| DIMENSIONS | ||||||
|---|---|---|---|---|---|---|
| Size | Min. Ø supplied "D" [mm] | Max. Ø recovered "d" [mm] | Min-max. recovered wall thickness "W" [mm] | Min max. supplied wall thickness "w" [mm] | Min, concentricity expanded [%] | |
| [inch] | [mm] | |||||
| 3/32 | 2,4 | 2,4 | 0,8 | 0,43-0,63 | 0,15-0,25 | 50 |
| 1/8 | 3,2 | 3,2 | 1,0 | 0,43-0,68 | 0,15-0,25 | 50 |
| 3/16 | 4,8 | 4,8 | 1,6 | 0,43-0,68 | 0,15-0,25 | 50 |
| 1/4 | 6,4 | 6,4 | 2,0 | 0,56-0,71 | 0,20-0,42 | 50 |
| 3/8 | 9,5 | 9,5 | 3,0 | 0,56-0,71 | 0,20-0,42 | 50 |
| 1/2 | 12,7 | 12,7 | 4,0 | 0,56-0,80 | 0,20-0,45 | 50 |
| 3/4 | 19,1 | 19,1 | 6,0 | 0,80-1,00 | 0,25-0,50 | 50 |
| 1 | 25,4 | 25,4 | 8,0 | 0,81-1,15 | 0,28-0,53 | 50 |
| 1 1/2 | 38,1 | 38,1 | 12,7 | 0,90-1,25 | 0,32-0,57 | 50 |
Physical properties:
| Description | Test method | Requirements | Test results |
|---|---|---|---|
| Dimensional | EN IEC 60684-2 | in-house | pass |
| Tensile strength | min. 10,3MPa | 11,4MPa | |
| Elongation at break | min. 200% | 480% | |
| Secant modulus at 2% | max. 173MPa | 103MPa | |
| Longitudinal change | -10 to +5% | pass | |
| Restricted shrinkage | no cracking or splitting | pass | |
| Water absorption | max. 1% | 0,5% | |
| Density | - | 1,30 |
Thermal properties:
| Description | Test method | Requirements | Test results |
|---|---|---|---|
| Heat shock 4h at 250°C | EN IEC 60684-2 | - | - |
| - Visual | no signs of dripping and cracking | pass | |
| - Flow | max. 10% | ||
| - Visual after bending | no cracking when cooled and wound 360° around a mandrel | ||
| Heat ageing 168h at 160°C | - | - | |
| - Tensile strength | min. 7,3MPa | 12,2MPa | |
| - Elongation at break | min. 100% | 512% | |
| - Breakdown voltage | min. 2,5kV and not less than 50% breakdown of the un-aged sleeving | pass: 32kV | |
| Bending at low temp. -55°C | no cracking shall be visible | pass |
Chemical properties:
| Description | Test method | Requirements | Test results |
|---|---|---|---|
| Resistance to selected fluids | EN IEC 60684-2 | min. 50% of non-immersed physical properties |
pass T ested fluids: ISO1817 oil no. 2; Sodium hydroxide; Hydrochloric acid; Diesel; Hydraulic oil |
| - Tensile strength | |||
| - Elongation at break |
Fire properties:
| Description | Test method | Requirements | Test results |
|---|---|---|---|
| Vertical flammability - flame test | UL224 pt. 5.11 |
time of burning ≤60s; the indicator flag shall not be damaged more than 25%; no ignition of the cotton |
pass |
| Fire protection on railway EN 45545-2 | |||
| - Oxygen index [OI] | EN ISO 4589-2 | R22\R23\R24 | pass R22 - HL1 R23/R24 - HL2 |
| - Smoke density Ds | EN ISO 5659-2 | ||
| - Toxicity | EN 17084 | ||
| Fixed Guideway Transit and Passenger Rail Systems NFPA 130 | |||
| - Surface flammability [ls] | ASTM E162 | ls≤35; no flaming running or dripping | pass |
| - Smoke optical density Ds | ASTM E662 | Ds1,5≤100; Ds4,0≤200; | pass |
| Burning behaviour of motor vehicles ECE no. 118.03 | |||
| - Vertical flammability | ECE no. 118.03 ann. 8 | V≤100 mm/min. | pass |
Physicochemical properties:
| Description | Test method | Requirements | Test results |
|---|---|---|---|
| 1000 h UV resistance, (8 h UV / 4 h condensation) | ASTM G154 | min. 50% of non-aged physical properties | pass |
| - Tensile strength | |||
| - Elongation at break | |||
| Fungus resistance | ASTM G21 | - | - |
| - Tensile strength | min. 10,3MPA | 11,4MPa | |
| - Elongation at break | min. 200% | 500% |
Electrical properties:
| Description | Test method | Requirements | Test results |
|---|---|---|---|
| Breakdown voltage | EN IEC 60684-2 | min. 2,5kV | 21kV |
| Volume resistivity at room temp. | min. 1012Ωm | 2,3*1012Ωm | |
| Dielectric constant | ASTM D150 | max. 3,1 | 2,8 |
| Voltage rating | UL224 | 600V | 600V |
Note: Unless otherwise stated, all values are determined in accordance with EN IEC 60684-2. The measured characteristics correspond to properties commonly evaluated under ASTM D2671.
Certification:
UL224 / CSA C22.2 No. 198.1 File E228117, 125°C, 600V 1)
1) Recovered ID up to 12.7 mm.
Approval:
- EN 45545-2
- NFPA130
- ECE no. 118.03
- Complies with REACH and RoHS