# Erko RTCK 6-2/1 Thin-Walled Heat Shrink Tubing with Adhesive, Black, 1m

**URL:** https://aio.lv/en/product--erko-rtck6-2-c1--12463915
**Data updated:** 2026-05-18 09:36 (EEST)
**Category:** Electronics Accessories
**Manufacturer:** Erko
**Manufacturer code:** RTCK\_6-2-C/1
**EAN:** 5905912866162
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 5.99 €
**Prices and availability valid until:** 2026-07-14 23:59
**Price without VAT (21%):** 4.95 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--erko-rtck6-2-c1--12463915

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 06.07.2026 | free |
| Pickup points | 09.07.2026 | 1.99 EUR |
| Courier delivery to door | 09.07.2026 | 4.99 EUR |

## Summary description

The Erko RTCK 6-2/1 is a high-quality thin-walled heat shrink tubing featuring an internal adhesive layer for superior sealing and insulation. With a shrink ratio of 3:1, it reduces from 6 mm to 2 mm, providing a secure fit for electrical connections, wire protection, and cable splicing. This 1-meter black tubing offers excellent resistance to moisture and environmental factors, making it ideal for professional electrical installations and repairs.

## Long description

The Erko RTCK 6-2/1 thin-walled heat shrink tubing is a professional-grade solution designed for reliable electrical insulation and environmental protection. Featuring an integrated internal adhesive layer, this tubing ensures a moisture-proof seal upon shrinking, effectively safeguarding connections against corrosion and mechanical stress. With a versatile 3:1 shrink ratio, it transitions smoothly from a 6 mm diameter to 2 mm, allowing for a tight, secure fit over various cable sizes and irregular shapes.
Advantages
This heat shrink tubing provides exceptional durability and long-term performance in demanding electrical environments. The internal adhesive lining melts during the heating process to create a robust barrier against water, chemicals, and dust, ensuring the integrity of the underlying connection. Its thin-walled construction maintains flexibility while offering sufficient mechanical strength for standard wiring applications. The black finish provides a professional appearance and offers resistance to ultraviolet light, making it suitable for both indoor and outdoor installations.
Suitable for
Insulating electrical wire splices and terminations
Protecting cable connections from moisture and environmental damage
Strain relief for cables and connectors
Repairing damaged cable insulation
Organizing and bundling wires in automotive or industrial setups
When it may not be suitable
This tubing is not intended for high-temperature environments that exceed its thermal rating or for applications requiring heavy-duty mechanical abrasion resistance. It should not be used as a primary structural support for heavy cables or in areas exposed to continuous immersion in aggressive solvents.
Key specifications
Shrink ratio: 3:1
Initial diameter: 6 mm
Shrunk diameter: 2 mm
Material: Thin-walled polyolefin with internal adhesive
Color: Black
Length: 1 meter
How to use
To apply the tubing, first cut a piece to the desired length, ensuring it covers the area to be protected with some overlap on both sides. Slide the tubing over the wire or connector before making the final connection. Using a heat gun or a controlled heat source, apply heat evenly around the circumference of the tubing, starting from the center and moving toward the ends. Continue heating until the tubing has fully shrunk and the adhesive can be seen slightly flowing at the edges, which indicates a proper seal. Allow the connection to cool completely before handling.
What to consider before purchase
Verify that the initial 6 mm diameter is sufficient to slide over your specific connector or cable bundle.
Ensure the 2 mm shrunk diameter provides a tight enough fit for your wire gauge.
Check that the total length of 1 meter is adequate for your project requirements.
Confirm that the operating temperature of the installation environment is compatible with the tubing specifications.
Usage recommendations
For the best results, ensure the surface of the cable is clean and free of oils or debris before application. Always use a heat gun with a temperature-controlled nozzle to prevent overheating or burning the material.

## FAQ

### How much does the Erko RTCK 6-2/1 Thin-Walled Heat Shrink Tubing cost, and is it available for purchase?

The price is 5.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 1489 pcs. are in stock, and you can place your purchase right now with delivery across Latvia and Europe or choose pickup at the Riga collection point. We offer favorable purchase terms, including the option to split the payment into convenient monthly installments. Availability and price are updated in real time, so we recommend placing your order in advance.

### If I order this product today, when will I receive my order?

If you place your order today, delivery will be as fast and convenient as possible. You will be able to pick up your order on 06.07.2026 at the Riga pickup point or choose delivery across Latvia and Europe. We carefully inspect every purchase and pack it securely for safe transportation.

### What payment options are available?

AiO.lv offers several payment methods: Bank transfer, Bank cards on-line, Apple Pay, Google Pay. All transactions are 100% secure and encrypted.

### Can this product be purchased for a company (with VAT)?

Yes. AiO.lv works with legal entities in Latvia and across Europe. The product price already includes VAT. For certain product categories, as well as for companies from other EU countries with a valid VAT number, a 0% VAT rate may apply. We issue the invoice immediately after the order is placed, support electronic BIS invoices, and automatically generate all necessary accounting documents. You can complete the purchase for a company online — simply select the company profile and choose bank transfer as the payment method during checkout.

### What is the warranty period?

All Erko products come with an official 2 Years warranty. It covers all manufacturing defects and malfunctions that may occur during use. The warranty is valid at all authorized Erko service centers and through AiO.lv

### Can the product be returned after purchase?

Yes, you can return the product within 14 days of purchase if you bought it as a consumer (not a legal entity). Returns are possible without giving any reason — the main condition is that the product retains its original appearance and full set of accessories. We will make the process as simple and convenient as possible: just contact our customer support team, and we will help you arrange the return.

### Where should I contact for warranty service?

For warranty-related questions you can contact the AiO.lv (SIA VSPRO) customer support team. More information about warranty service: https://aio.lv/en/warranty

## Image

https://aio.lv/img/cache/product/12463915/68765618_large.webp

