# Erko RTCK 8-2mm Thin-Walled Heat Shrink Tubing with Adhesive, Black, 1m

**URL:** https://aio.lv/en/product--erko-rtck8-2-c1--12448764
**Data updated:** 2026-05-18 02:53 (EEST)
**Category:** Electronics Accessories
**Manufacturer:** Erko
**Manufacturer code:** RTCK\_8-2-C/1
**EAN:** 5905912901283
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 10.99 €
**Prices and availability valid until:** 2026-07-12 23:59
**Price without VAT (21%):** 9.08 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--erko-rtck8-2-c1--12448764

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 03.07.2026 | free |
| Pickup points | 08.07.2026 | 1.99 EUR |
| Courier delivery to door | 08.07.2026 | 4.99 EUR |

## Summary description

The Erko RTCK 8-2mm thin-walled heat shrink tubing features an internal adhesive layer for secure insulation and environmental sealing. Designed for electrical applications, this black tubing shrinks from 8mm to 2mm, providing excellent protection against moisture, corrosion, and mechanical stress. Ideal for cable repair, wire bundling, and electrical connections, it ensures a durable and reliable fit in various industrial and domestic projects.

## Long description

The Erko RTCK 8-2mm 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 provides a secure, moisture-resistant seal upon shrinking, effectively safeguarding connections against corrosion, chemicals, and mechanical damage. The black, flexible material is engineered to shrink from an initial diameter of 8mm down to 2mm, ensuring a tight and durable fit around various cable sizes and electrical components.
Advantages
The primary benefit of this heat shrink tubing is its dual-wall construction, which combines a flexible outer sleeve with a heat-activated adhesive lining. This combination ensures that once the tubing is heated, the adhesive flows to fill gaps and voids, creating a robust barrier against moisture and environmental contaminants. The high shrink ratio allows for versatile application across different cable diameters, while the durable material composition maintains its integrity under various industrial and domestic conditions, providing long-term protection for sensitive electrical joints.
Suitable for
Insulating and sealing electrical wire splices
Repairing damaged cable insulation
Bundling wires for organized cable management
Providing strain relief for connectors
Protecting electrical components from moisture and corrosion
When it may not be suitable
This tubing is not intended for use in environments with extreme, continuous heat exposure that exceeds the material's thermal rating. It is also not suitable for applications requiring high-pressure fluid containment or structural load-bearing support.
Key specifications
Shrink ratio: 4:1
Initial diameter: 8mm
Shrunk diameter: 2mm
Material: Thin-walled polyolefin with adhesive lining
Color: Black
Length: 1 meter
How to use
To apply the tubing, first cut the required length to cover the area needing protection, ensuring it extends slightly beyond the connection point. Slide the tubing over the wire or component before making the electrical connection. Once the connection is secure, position the tubing centrally over the joint. Apply heat evenly using a heat gun or a similar controlled heat source, starting from the center and moving toward the ends to prevent air pockets. Continue heating until the tubing has fully shrunk and the adhesive is visible at the edges, indicating a proper seal.
What to consider before purchase
Ensure the 8mm initial diameter is sufficient to slide over your specific connector or cable assembly.
Verify that the 2mm final diameter will provide a tight fit around your target wire or component.
Confirm that the operating temperature of your application is within the limits of standard polyolefin heat shrink materials.
Usage recommendations
For the best results, always clean the surface of the cable or component to remove oils or debris before applying the tubing, as this ensures the adhesive creates a strong, permanent bond.

## FAQ

### How much does the Erko RTCK 8-2mm Heat Shrink Tubing with Adhesive cost, and is it available for purchase?

The price is 10.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 68 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 03.07.2026 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/12448764/68751676_large.webp