---
product_id: 296799881
title: "20mm CO2 Laser Mirror Si Reflective Lens - Gold-coated 3PCS for Laser Machine"
brand: "cncoletech"
price: "€ 128.88"
currency: EUR
in_stock: true
url: https://www.desertcart.sk/products/296799881-20mm-co2-laser-mirror-si-reflective-lens-gold-coated-3pcs
store_origin: SK
region: Slovakia
---

# 99.8% infrared reflectivity High heat resistance coating 20mm diameter precision 20mm CO2 Laser Mirror Si Reflective Lens - Gold-coated 3PCS for Laser Machine

**Brand:** cncoletech
**Price:** € 128.88
**Availability:** ✅ In Stock

## Summary

> 🔆 Reflect your laser’s true potential 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?** € 128.88 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.sk](https://www.desertcart.sk/products/296799881-20mm-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

- • **Vacuum-Sealed Packaging:** Protects mirrors from oxidation and corrosion, guaranteeing pristine condition on arrival.
- • **Versatile Compatibility:** Ideal upgrade replacement for K9 mirrors, compatible with K40 and a wide range of CO2 laser cutters.
- • **Ultra-High Reflectivity at 99.8%:** Maximizes laser efficiency by minimizing power loss and boosting cutting precision.
- • **Precision Engineered 20mm Diameter:** Perfectly sized for seamless integration with 40-150W CO2 laser machines.
- • **Durable 5-Layer Gold-Plated Coating:** Ensures long-lasting performance even under intense heat and harsh environments.

## Overview

The CNCOLETECH 20mm Gold-Plated Silicon CO2 Laser Mirror delivers exceptional 99.8% reflectivity at 10600nm wavelength, engineered with a durable 5-layer coating for superior heat resistance and longevity. Designed for 40-150W CO2 laser machines, this 3-piece set comes vacuum-sealed to prevent corrosion, making it the ultimate upgrade for enhanced laser cutting and engraving efficiency.

## Description

20mm CO2 Laser Mirror Si Reflective Lens - Gold-coated 3PCS for Laser Machine

## 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 |
| Material | Gold-Plated Silicon |
| Colour | gold |
| Style | Laser |
| Item Weight | 0.03 Kilograms |
| Operation Mode | Automatic |
| Manufacturer | Shanghai Top Nine Industrial Co.,ltd |
| Item model number | 43188-284907 |
| ASIN | B01DP2HV5Q |

## 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)
![20mm CO2 Laser Mirror Si Reflective Lens - Gold-coated 3PCS for Laser Machine - Image 2](https://m.media-amazon.com/images/I/61UwHnKGAXL.jpg)
![20mm CO2 Laser Mirror Si Reflective Lens - Gold-coated 3PCS for Laser Machine - Image 3](https://m.media-amazon.com/images/I/71lh5TwwN3L.jpg)
![20mm CO2 Laser Mirror Si Reflective Lens - Gold-coated 3PCS for Laser Machine - Image 4](https://m.media-amazon.com/images/I/61kSNJAYGmL.jpg)
![20mm CO2 Laser Mirror Si Reflective Lens - Gold-coated 3PCS for Laser Machine - Image 5](https://m.media-amazon.com/images/I/61K--P-RW0L.jpg)

## Available Options

This product comes in different **Size** 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.sk/products/296799881-20mm-co2-laser-mirror-si-reflective-lens-gold-coated-3pcs](https://www.desertcart.sk/products/296799881-20mm-co2-laser-mirror-si-reflective-lens-gold-coated-3pcs)

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*Product available on Desertcart Slovakia*
*Store origin: SK*
*Last updated: 2026-02-26*