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Clear Heat Shrink Tubing

Keep wire markings and connections visible with clear heat shrink tubing. DIFVAN manufactures clear polyolefin sleeving in a 2:1 shrink ratio, from φ0.5 mm to φ45 mm, rated 600 V and −45°C to +125°C. Full dimensions and roll lengths are published below — send your diameters and quantity for a factory-direct quotation.

Transparent insulation · Diameter selection · Roll packaging

Sizing details · Specifications · Ordering options

Clear Heat Shrink Tubing Sizes

DIFVAN clear heat shrink tubing is a 2:1 single-wall polyolefin sleeving, stocked from φ0.5 mm to φ45 mm. Select by supplied and recovered inside diameter: the tubing must slide over the largest connector before heating, then recover tight onto the cable. Full dimensions, wall thickness and roll lengths are published below.

DIFVAN clear polyolefin heat shrink tubing — 2:1 shrink ratio, standard range φ0.5 to φ45 mm.
Nominal size	Supplied inside Ø (mm)	Supplied wall (mm)	Recovered inside Ø (mm)	Recovered wall (mm)	Packing (m/roll)
φ0.5	0.8 ±0.2	0.18 ±0.05	≤0.30	0.33 ±0.10	400
φ0.6	0.9 ±0.2	0.18 ±0.05	≤0.40	0.33 ±0.10	400
φ0.8	1.1 ±0.2	0.18 ±0.05	≤0.50	0.33 ±0.10	400
φ1.0	1.5 ±0.2	0.20 ±0.05	≤0.65	0.36 ±0.10	400
φ1.5	2.0 ±0.2	0.20 ±0.05	≤0.85	0.36 ±0.10	400
φ2.0	2.5 ±0.2	0.20 ±0.05	≤1.00	0.45 ±0.10	400
φ2.5	3.0 ±0.2	0.20 ±0.05	≤1.30	0.45 ±0.10	400
φ3.0	3.5 ±0.2	0.20 ±0.05	≤1.50	0.45 ±0.10	400
φ3.5	4.0 ±0.2	0.23 ±0.05	≤1.80	0.45 ±0.10	400
φ4.0	4.5 ±0.2	0.25 ±0.05	≤2.00	0.45 ±0.10	400
φ4.5	5.0 ±0.2	0.28 ±0.05	≤2.30	0.56 ±0.10	200
φ5.0	5.5 ±0.2	0.28 ±0.05	≤2.50	0.56 ±0.10	200
φ6.0	6.5 ±0.2	0.28 ±0.05	≤3.00	0.56 ±0.10	200
φ7.0	7.5 ±0.3	0.30 ±0.05	≤3.50	0.56 ±0.10	100
φ8.0	8.5 ±0.3	0.30 ±0.05	≤4.00	0.56 ±0.10	100
φ9.0	9.5 ±0.3	0.30 ±0.05	≤4.50	0.56 ±0.10	100
φ10	10.5 ±0.3	0.30 ±0.05	≤5.00	0.56 ±0.10	100
φ11	11.5 ±0.3	0.30 ±0.08	≤5.50	0.56 ±0.10	100
φ12	12.5 ±0.3	0.30 ±0.08	≤6.00	0.56 ±0.10	100
φ13	13.5 ±0.3	0.35 ±0.08	≤6.50	0.56 ±0.10	100
φ14	14.5 ±0.3	0.35 ±0.10	≤7.00	0.70 ±0.10	100
φ15	15.5 ±0.4	0.35 ±0.10	≤7.50	0.70 ±0.10	100
φ16	16.5 ±0.4	0.35 ±0.10	≤8.00	0.70 ±0.10	100
φ17	17.5 ±0.4	0.35 ±0.10	≤8.50	0.70 ±0.10	100
φ18	18.5 ±0.5	0.35 ±0.10	≤9.00	0.70 ±0.10	100
φ20	22.0 ±0.5	0.40 ±0.10	≤10.00	0.83 ±0.10	100
φ22	24.0 ±0.5	0.40 ±0.12	≤11.00	0.83 ±0.15	100
φ25	26.0 ±0.5	0.45 ±0.12	≤12.50	0.90 ±0.10	50
φ28	29.0 ±0.5	0.45 ±0.12	≤14.00	0.90 ±0.10	50
φ30	31.5 ±1.0	0.45 ±0.12	≤15.00	1.00 ±0.15	50
φ35	36.5 ±1.0	0.45 ±0.12	≤17.50	1.00 ±0.15	50
φ40	41.5 ±1.0	0.50 ±0.12	≤20.00	1.00 ±0.15	50
φ45	46.5 ±1.0	0.50 ±0.12	≤22.50	1.00 ±0.20	25

Read the table as a fit window: the supplied inside diameter must clear your largest connector, and the recovered inside diameter must be smaller than the cable it grips. Example — φ10 clear tubing is supplied at 10.5 mm and recovers to 5.0 mm, so it insulates cables between roughly 5.5 mm and 9.5 mm. Sizes above φ45 and cut lengths are made to order; send your diameter and we will confirm availability.

Clear Heat Shrink Tubing Specifications

Clear DIFVAN tubing is cross-linked polyolefin in our DF1 (2:1) series, rated 600 V and usable from −45°C to +125°C. It begins shrinking at 80°C and is fully recovered at 120°C. For a 3:1 shrink ratio or an adhesive-lined seal, the DF3 dual-wall series is the correct product rather than this clear single-wall grade.

Material	Cross-linked polyolefin, single wall
Series / shrink ratio	DF1 — 2:1 (recovers to 50% of supplied inside diameter)
Colour	Clear / transparent
Rated voltage	600 V
Operating temperature	−45°C to +125°C
Shrink temperature	Starts at 80°C, fully recovered at 120°C
Size range	φ0.5 mm to φ45 mm supplied inside diameter
Wall thickness	0.18 mm to 0.50 mm as supplied, depending on size
Packing	25 m to 400 m per roll by size; cut lengths on request
Adhesive lining	Not applicable to this grade — see the DF3 dual-wall series

Find the right fit in three simple steps

01Measure the largest point

Measure the largest connector or joint the tubing must pass over. Allow installation clearance when choosing the supplied inside diameter.

02Check the recovered fit

With a 2:1 ratio the tubing recovers to half its supplied inside diameter, so the recovered figure must be smaller than the cable you are covering. A φ10 sleeve is supplied at 10.5 mm and recovers to 5.0 mm, which grips cables of roughly 5.5–9.5 mm.

03Specify length & quantity

Send the required diameter, total meters, packaging and operating conditions.

Ordering in inches? Start with the diameter.

Our clear range is sized in millimetres. Match your inch size to the nearest supplied inside diameter:

1/8″ (3.18 mm)	φ3.0 — supplied 3.5 mm
1/4″ (6.35 mm)	φ6.0 — supplied 6.5 mm
3/8″ (9.53 mm)	φ9.0 — supplied 9.5 mm
1/2″ (12.7 mm)	φ12 — supplied 12.5 mm
3/4″ (19.05 mm)	φ18 — supplied 18.5 mm
1″ (25.4 mm)	φ25 — supplied 26.0 mm
1 1/2″ (38.1 mm)	φ35 — supplied 36.5 mm
2″ and larger	Above the standard clear range — made to order

These are the nearest stock diameters, not exact inch equivalents. Check the recovered diameter against your cable before ordering.

How to Install Clear Heat Shrink Tubing

With the assembly de-energised, slide the sleeve over the joint before making the connection, then apply controlled, even heat with a heat gun. Clear polyolefin heat shrink tubing starts to move at 80°C and is fully recovered at 120°C, so a standard heat gun setting is enough. Keep the heat moving around the tubing and work from the centre outward so air is pushed toward the ends. Avoid direct flames and contact with a soldering iron — both scorch the wall and spoil the clarity.

Let the tubing cool before handling or inspecting the fit. The wall should be tight against the cable with no trapped air, and the markings underneath should still be readable. For a sealed, moisture-resistant joint, use an adhesive-lined heat shrink product instead.

Keep identification visible after insulation

Visible wire markings

Printed wire numbers, heat shrink markers and labels stay readable through the clear wall, so circuits can be traced without cutting the sleeve off.

Cable harness identification

Underlying wire colours stay visible through the sleeve, so a harness keeps its colour code after the cable section is insulated.

Connection inspection

Crimps, solder joints and splices stay visible after insulation, so a technician can inspect the connection without removing the tubing.

Need opaque colors? Explore colored heat shrink tubing.

Where to Buy Clear Heat Shrink Tubing

Buy clear heat shrink tubing factory-direct from DIFVAN. We manufacture the full φ0.5–φ45 mm clear range in Yueqing, China and ship worldwide. List each diameter and the total metres you need, and we will quote roll lengths, cut lengths and packaging against your requirement.

Roll quantities

Standard rolls run 400 m on the smallest diameters down to 25 m on φ45. Give us total metres per diameter and we will confirm the roll count.

Multiple sizes

List each diameter separately — mixed-size orders are normal. Cut lengths and printed or labelled sleeves are available on request.

Quotation details

Include your delivery country and required date. MOQ, lead time and shipping terms will be confirmed with your quotation.

Clear Heat Shrink Tubing Questions

What is clear heat shrink tubing used for?

Clear heat shrink tubing insulates and strain-relieves a joint while leaving what is underneath visible. It is used over crimps and solder joints that need to be inspected, over printed wire numbers and heat shrink markers that must stay readable, and on harnesses where the wire colour code has to survive the insulation.

Is sleeving the same as tubing?

Tube, sleeve and sleeving describe the tubular product. Packaging film and heat shrink tape are different products.

Does clear tubing always have a 3:1 ratio?

No. DIFVAN clear heat shrink tubing is our DF1 series with a 2:1 shrink ratio, so it recovers to half its supplied inside diameter. The 3:1 ratio belongs to our DF3 dual-wall series, which is adhesive-lined and used for connectors, step-downs and sealed joints. Transparency does not decide the ratio.

What sizes does clear heat shrink tubing come in?

Our standard clear range runs from φ0.5 mm to φ45 mm supplied inside diameter, with wall thickness from 0.18 mm to 0.50 mm and rolls of 25–400 m depending on the size. The full dimensional table, including recovered diameters, is published on this page.

Can I request inch sizes?

Yes. Our clear range is manufactured in millimetres, so we match your inch size to the nearest supplied inside diameter — 1/4″ to φ6.0, 1/2″ to φ12, 1″ to φ25, and so on. Send the cable and connector measurements with your inch size and we will confirm the correct sleeve.

Can I get large diameter clear heat shrink tubing?

φ45 is the largest size in the standard clear stock range, recovering to 22.5 mm. Larger diameters are produced to order — send the cable or busbar dimension and the quantity in metres and we will confirm feasibility and lead time.

Is clear tubing waterproof?

Clear tubing is not automatically waterproof. For sealing, confirm a suitable adhesive-lined tubing and its installation requirements.

What should I send for a quote?

Send cable and joint diameters, quantity, length, packaging, operating conditions, delivery country and required date.

Contact DIFVAN Directly

Factory-direct support for your tubing selection and quotation.

Phone
+86 139 8977 1240

WhatsApp
+86 139 8977 1240

Email
helen@difvan.com

Factory Address
DIFVAN Co., Ltd.
No.1 HongQi Road, Xinguang Industrial Zone, Liushi, Yueqing, Wenzhou, Zhejiang, China 325603

Let’s specify your clear heat shrink tubing.

Send the cable diameter, largest connector diameter and required length. Include operating conditions and whether you need to see markings or seal a joint. Our team can review dimensions and packaging for your quotation.

Explore the complete heat shrink tubing range.