# Erko RTCK 3-1mm Heat Shrink Tubing with Adhesive, Thin-Walled, Black, 1m

**URL:** https://aio.lv/en/product--erko-rtck3-1-c1--12470390
**Data updated:** 2026-05-18 09:27 (EEST)
**Category:** Cable Organizers
**Manufacturer:** Erko
**Manufacturer code:** RTCK\_3-1-C/1
**EAN:** 5905912866148
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 4.99 €
**Prices and availability valid until:** 2026-07-14 23:59
**Price without VAT (21%):** 4.12 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--erko-rtck3-1-c1--12470390

## 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 3-1mm thin-walled heat shrink tubing features an internal adhesive layer for superior sealing and insulation. Designed for electrical connections, it provides protection against moisture, corrosion, and mechanical stress. With a 3:1 shrink ratio, it is ideal for professional cable management and repair applications in various industrial and domestic environments.

## Long description

The Erko RTCK 3-1mm heat shrink tubing is a high-quality, thin-walled solution designed for reliable electrical insulation and environmental protection. Featuring an integrated internal adhesive layer, this tubing melts upon heating to create a secure, moisture-proof seal around cables and connectors. Its 3:1 shrink ratio allows for versatile application across various cable diameters, ensuring a tight fit that prevents mechanical stress and corrosion in both industrial and domestic settings.
Advantages
This heat shrink tubing offers exceptional durability and performance due to its dual-wall construction. The internal adhesive provides an airtight and watertight seal, which is essential for protecting sensitive electrical connections from environmental factors such as humidity, chemicals, and dust. The thin-walled design maintains flexibility while providing robust insulation, making it easy to install in tight spaces without adding unnecessary bulk to the cable assembly.
Suitable for
Sealing electrical wire splices and connections
Protecting cables from moisture and corrosion
Strain relief for cable terminations
Repairing damaged cable insulation
Organizing and bundling wires in industrial environments
When it may not be suitable
This product is not intended for use in high-temperature environments that exceed the material's thermal rating. It should also not be used as a primary structural support for heavy-duty mechanical loads or in applications involving direct exposure to aggressive solvents that may degrade the polymer material.
Key specifications
Shrink ratio: 3:1
Diameter range: 3 mm to 1 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 cable or 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 begins to flow slightly at the edges, ensuring a complete seal.
What to consider before purchase
Ensure the 3:1 shrink ratio is sufficient for the diameter of your specific cable and connector
Verify that the 1-meter length is adequate for your project requirements
Confirm the operating temperature range matches your application environment
Usage recommendations
For the best results, always clean the surface of the cable before application to ensure the adhesive bonds properly. Avoid overheating the material, as this may cause it to burn or lose its structural integrity.

## FAQ

### How much does the Erko RTCK 3-1mm Heat Shrink Tubing with Adhesive cost, and is it available for purchase?

The price is 4.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 492 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/12470390/68773011_large.webp