# Erko RTCK 18-6mm Thin-Walled Heat Shrink Tubing with Adhesive, Black, 1m

**URL:** https://aio.lv/en/product--erko-rtck18-6-c1--12463897
**Data updated:** 2026-05-18 09:36 (EEST)
**Category:** Home & DIY Accessories
**Manufacturer:** Erko
**Manufacturer code:** RTCK\_18-6-C/1
**EAN:** 5905912866193
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 9.49 €
**Prices and availability valid until:** 2026-07-15 23:59
**Price without VAT (21%):** 7.84 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--erko-rtck18-6-c1--12463897

## 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 18-6mm thin-walled heat shrink tubing features an internal adhesive layer for secure sealing and insulation. Designed for electrical applications, it provides excellent protection against moisture and mechanical stress. With a shrink ratio of 3:1, it is ideal for cable repair, wire bundling, and environmental sealing. The 1-meter length ensures versatility for various professional and DIY electrical installations.

## Long description

The Erko RTCK 18-6mm 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 creates a robust, moisture-resistant seal upon shrinking, ensuring that connections remain secure and protected from external elements. With a 3:1 shrink ratio, it accommodates a wide range of cable diameters, making it a versatile component for both industrial electrical projects and home repair tasks.
Advantages
This heat shrink tubing offers superior mechanical strength and electrical insulation properties, effectively shielding wires from abrasion, chemicals, and moisture. The internal adhesive lining melts during the heating process to fill gaps and voids, providing a permanent, weather-tight seal that prevents corrosion and short circuits. Its thin-walled construction maintains flexibility while ensuring a compact profile, allowing for neat and organized cable management in tight spaces.
Suitable for
Repairing damaged cable insulation
Bundling and organizing electrical wires
Sealing cable joints against moisture and dust
Providing strain relief for connectors
Automotive and marine electrical installations
When it may not be suitable
This tubing is not intended for use in high-temperature environments that exceed its thermal rating or for applications requiring extreme mechanical impact resistance. It should not be used as a primary structural support for heavy cables or in environments with constant exposure to aggressive solvents not specified by the manufacturer.
Key specifications
Shrink ratio: 3:1
Diameter range: 18mm to 6mm
Material: Thin-walled polyolefin with adhesive
Color: Black
Length: 1 meter
How to use
To apply the tubing, 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 shrunk tightly around the object and the adhesive has visibly flowed to create a seal. Allow the material to cool completely before handling.
What to consider before purchase
Verify the diameter of your cable to ensure it falls within the 18mm to 6mm range
Ensure the heat source used is appropriate for heat shrink materials
Consider the environmental conditions of the installation site
Usage recommendations
For optimal results, ensure the surface of the cable is clean and free of oils or debris before application. Avoid overheating the material, as this may cause damage or excessive thinning.

## FAQ

### How much does the Erko RTCK 18-6mm Heat Shrink Tubing with Adhesive cost, and is it available for purchase?

The price is 9.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 146 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/12463897/68765601_large.webp