---
product_id: 158519294
title: "20mm CO2 Laser Mirror Si Reflective Lens - Gold-coated 3PCS for Laser Machine"
brand: "cncoletech"
price: "€ 60.85"
currency: EUR
in_stock: true
url: https://www.desertcart.ie/products/158519294-20mm-co2-laser-mirror-si-reflective-lens-gold-coated-3pcs
store_origin: IE
region: Ireland
---

# 99.8% infrared reflectivity 20mm precision diameter 5-layer durable gold coating 20mm CO2 Laser Mirror Si Reflective Lens - Gold-coated 3PCS for Laser Machine

**Brand:** cncoletech
**Price:** € 60.85
**Availability:** ✅ In Stock

## Summary

> ✨ Reflect your laser’s true power with gold-grade precision! ⚡

## Quick Answers

- **What is this?** 20mm CO2 Laser Mirror Si Reflective Lens - Gold-coated 3PCS for Laser Machine by cncoletech
- **How much does it cost?** € 60.85 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.ie](https://www.desertcart.ie/products/158519294-20mm-co2-laser-mirror-si-reflective-lens-gold-coated-3pcs)

## Best For

- cncoletech enthusiasts

## Why This Product

- Trusted cncoletech brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Ready-to-Use 3PCS Kit:** Individually vacuum-sealed mirrors prevent oxidation, giving you a fresh, ready-to-install upgrade every time.
- • **Maximized Laser Efficiency:** Reflectivity up to 99.8% at 10600nm wavelength minimizes power loss and boosts cutting precision.
- • **Heat-Resistant & High-Performance:** Expertly polished and ground to withstand harsh environments and maintain optimal function under intense heat.
- • **Precision Engineered 20mm Diameter:** Fits perfectly for 40-400W CO2 laser machines, ensuring seamless integration and peak performance.
- • **Ultra-Durable 5-Layer Gold Coating:** Advanced gold-plated silicon with multi-layer coating resists oxidation and corrosion for long-lasting reliability.

## Overview

This 20mm gold-coated silicon laser mirror kit features a 5-layer durable coating and 99.8% infrared reflectivity at 10600nm, designed for 40-400W CO2 laser machines. Engineered for high heat resistance and minimal power loss, it ensures long-lasting, efficient laser performance with a professional-grade finish.

## Description

Product description               International products have separate terms, are sold from abroad and may differ from local products, including fit, age ratings, and language of product, labeling or instructions.                  Legal Disclaimer               Mateial: Si Coated Gold Diameter: 20mm Thickness:3mmwork power: 40W-200Wwave length: 10600nm

## Features

- 〖Laser Mirror Size〗Diameter: 20mm/0.79", Thickness: 3mm/0.12", Shape: plane.
- 〖Excellent Material & Exquisite Coating Technology〗Gold-Plated silicon, 5 layers Coated gold film, Coating is durable. Superb coating art, precision slicing, polishing and grinding process, high heat resistance, adapt to work under harsh environment, long working life.
- 〖High Reflectivity〗CNCOLETECH's Si laser reflective lens has super optical performance and fast heat dissipation, high working efficiency, and minimizes light loss caused by reflection. Reflectivity to infrared light is up to 99.8% at 10600nm wavelength, minimizing power loss from the laser tube to the the worktop.
- 〖Widely Application〗Si laser mirror is suitable for 40-400W CO2 laser machines. It's great replacement laser lens to the K9 mirror for K40 and other 40W machine.
- 〖Package〗3PCS 20mm CO2 laser mirror kit. Single piece independent packaging, Adopt closed vacuum packaging to prevent oxidation and corrosion.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Brand | CNCOLETECH |
| Model Number | 43188-284907 |
| Colour | Gold |
| Package Dimensions | 7.59 x 7.19 x 2.21 cm; 30 g |
| Material | Gold-Plated Silicon |
| Item Weight | 30 g |

## Product Details

- **Brand:** CNCOLETECH
- **Material:** Gold-Plated Silicon
- **Colour:** Gold
- **Style:** Laser
- **Item weight:** 0.03 Kilograms

## Images

![20mm CO2 Laser Mirror Si Reflective Lens - Gold-coated 3PCS for Laser Machine - Image 1](https://m.media-amazon.com/images/I/81+52briMcL.jpg)

## Available Options

This product comes in different **Size Name** options.

## Frequently Bought Together

- CNCOLETECH 20mm CO2 Laser Mirror Si Reflective Lens - Gold-coated 3PCS for Laser Machine
- CNCOLETECH CO2 Laser Lens 18mm Mirror Focus Lens PVD ZnSe FL 50.8mm / 2" for CO2 Laser Engraving Cutting Machine 30W-100W
- Cloudray 12/18mm FL50.8 & 16mm FL25.4 Laser Head With Air Assist For K40 Laser Engraver Cutter

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**Shop now:** [https://www.desertcart.ie/products/158519294-20mm-co2-laser-mirror-si-reflective-lens-gold-coated-3pcs](https://www.desertcart.ie/products/158519294-20mm-co2-laser-mirror-si-reflective-lens-gold-coated-3pcs)

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*Product available on Desertcart Ireland*
*Store origin: IE*
*Last updated: 2026-02-15*