Shrinktek 3:1 Heat Shrinkable Sleeving

Shrinktek Brand: Shrinktek

A range of general purpose, black, flexible polyolefin heat shrink tubing.

  • Shrink ratio of 3:1 when heated above +125°C
  • Operating temperature –75°C to +135°C
  • Suitable for a wide range of uses including military and professional electronics, and industrial electronics manufacturing
  • Applications include insulation, marking, strain relieving, building of wire bundles, colour coding, identification and mechanical protection
  • Dielectric strength 25kV/mm
  • All sizes quoted before shrinking
  • Supplied in lengths of 1.2m
Description Image Product Buy Pricing (Ex VAT) Shrunk Diameter Unshrunk Diameter Shrinkage Ratio Colour Length Type
Shrinktek SP3X 1.5 BLK 1.5mm 3:1 Heat Shrink Sleeving 1.2m
Shrinktek SP3X 1.5 BLK 1.5mm 3:1 Heat Shrink Sleeving 1.2m
Standard range
Order code: 03-1100
MPN: SP3X 1.5 BLK

69 in stock, despatched same dayAdditional quantity lead time 3 weeks
1+ £1.55
25+ £1.28
Price per unit Ex VAT 		0.5mm 1.5mm 3:1 Black 1.2m Heat Shrink Sleeve
Shrinktek SP3X 3 BLK 3.0mm 3:1 Heat Shrink Sleeving 1.2m
Shrinktek SP3X 3 BLK 3.0mm 3:1 Heat Shrink Sleeving 1.2m
Standard range
Order code: 03-1105
MPN: SP3X 3 BLK

67 in stock, despatched same dayAdditional quantity lead time 3 weeks
1+ £1.52
25+ £1.29
100+ £1.05
Price per unit Ex VAT 		1mm 3mm 3:1 Black 1.2m Heat Shrink Sleeve
Shrinktek SP3X 6 BLK 6.0mm 3:1 Heat Shrink Sleeving 1.2m
Shrinktek SP3X 6 BLK 6.0mm 3:1 Heat Shrink Sleeving 1.2m
Standard range
Order code: 03-1110
MPN: SP3X 6 BLK

53 in stock, despatched same dayAdditional 100 due on 08/04/2026
1+ £2.64
25+ £2.16
100+ £1.78
Price per unit Ex VAT 		2mm 6mm 3:1 Black 1.2m Heat Shrink Sleeve
Shrinktek SP3X 9 BLK 9.0mm 3:1 Heat Shrink Sleeving 1.2m
Shrinktek SP3X 9 BLK 9.0mm 3:1 Heat Shrink Sleeving 1.2m
Standard range
Order code: 03-1115
MPN: SP3X 9 BLK

Out of stockBack-order availability date - 27/01/2026
1+ £2.95
25+ £2.54
Price per unit Ex VAT 		3mm 9mm 3:1 Black 1.2m Heat Shrink Sleeve
Shrinktek SP3X 12 BLK 12mm 3:1 Heat Shrink Sleeving 1.2m
Shrinktek SP3X 12 BLK 12mm 3:1 Heat Shrink Sleeving 1.2m
Standard range
Order code: 03-1120
MPN: SP3X 12 BLK X 1.2M

19 in stock, despatched same dayAdditional quantity lead time 3 weeks
1+ £3.37
25+ £2.74
100+ £2.22
Price per unit Ex VAT 		4mm 12mm 3:1 Black 1.2m Heat Shrink Sleeve
Shrinktek SP3X 18 BLK 18mm 3:1 Heat Shrink Sleeving 1.2m
Shrinktek SP3X 18 BLK 18mm 3:1 Heat Shrink Sleeving 1.2m
Standard range
Order code: 03-1125
MPN: SP3X 18 BLK

21 in stock, despatched same dayAdditional quantity lead time 3 weeks
1+ £16.72
25+ £15.32
Price per unit Ex VAT 		6mm 18mm 3:1 Black 1.2m Heat Shrink Sleeve
Order codeMftrs Part No.Bore sizeShrunk dia.
03-1100SP3X 1.5 BLK1.5mm0.5mm
03-1105SP3X 3 BLK3.0mm1.0mm
03-1110SP3X 6 BLK6.0mm2.0mm
03-1115SP3X 9 BLK9.0mm3.0mm
03-1120SP3X 12 BLK12.0mm4.0mm
03-1125SP3X 18 BLK18.0mm6.0mm
03-1130SP3X 24 BLK24.0mm8.0mm


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