---
product_id: 44827578
title: "20mm CO2 Laser Mirror Si Reflective Lens - Gold-coated 3PCS for Laser Machine"
brand: "cncoletech"
price: "S$54"
currency: SGD
in_stock: true
category: "Cncoletech"
url: https://www.desertcart.sg/products/44827578-20mm-co2-laser-mirror-si-reflective-lens-gold-coated-3pcs
store_origin: SG
region: Singapore
---

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

**Brand:** cncoletech
**Price:** S$54
**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?** S$54 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.sg](https://www.desertcart.sg/products/44827578-20mm-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

- • **Versatile Compatibility:** Perfect upgrade for K9 mirrors on K40 and similar 40W laser cutters, enhancing cut quality.
- • **Plug-and-Play Replacement:** Easy installation with vacuum-sealed packaging keeps mirrors pristine until use.
- • **Maximized Laser Efficiency:** Reflectivity up to 99.8% at 10600nm minimizes power loss and boosts cutting precision.
- • **Precision Engineered 20mm Diameter:** Fits seamlessly into 40-400W CO2 laser machines for optimal performance.
- • **Ultra-Durable 5-Layer Gold Coating:** Ensures long-lasting resistance to heat, oxidation, and corrosion under harsh conditions.

## Overview

The CNCOLETECH 20mm CO2 Laser Mirror Si Reflective Lens is a premium gold-plated silicon mirror designed for 40-400W CO2 laser machines. Featuring a 5-layer durable coating and 99.8% infrared reflectivity, it delivers superior heat resistance and laser efficiency. Packaged in vacuum-sealed sets of three, these mirrors offer easy installation and long-lasting performance, making them an ideal upgrade for K40 and similar laser cutters.

## Description

Buy CNCOLETECH 20mm CO2 Laser Mirror Si Reflective Lens - Gold-coated 3PCS for Laser Machine: Engraving Machines & Tools - desertcart.com ✓ FREE DELIVERY possible on eligible purchases

## 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 |
|---------------|-------|
| ASIN | B01DP2HV5Q |
| Best Sellers Rank | #78,672 in Arts, Crafts & Sewing ( See Top 100 in Arts, Crafts & Sewing ) #158 in Jewelry Making Engraving Machines & Tools |
| Brand Name | CNCOLETECH |
| Color | Gold |
| Customer Reviews | 4.7 4.7 out of 5 stars (288) |
| Item Weight | 0.03 kg |
| Manufacturer | Shanghai Top Nine Industrial Co.,Ltd |
| Manufacturer Part Number | 43188-284907 |
| Material Type | Gold-Plated Silicon |
| Model Number | 43188-284907 |
| Number of Items | 3 |
| Operation Mode | Automatic |
| Style Name | Industrial |

## Product Details

- **Brand:** CNCOLETECH
- **Color:** Gold
- **Item Weight:** 0.03 kg
- **Material:** Gold-Plated Silicon
- **Style:** Industrial

## 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** 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.sg/products/44827578-20mm-co2-laser-mirror-si-reflective-lens-gold-coated-3pcs](https://www.desertcart.sg/products/44827578-20mm-co2-laser-mirror-si-reflective-lens-gold-coated-3pcs)

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*Product available on Desertcart Singapore*
*Store origin: SG*
*Last updated: 2026-10-14*