---
product_id: 505209589
title: "MCWlaser 19mm CO2 Laser Mirror Si Reflective Mirrors Lens Gold-Plated Silicon 3PCS CO2 Laser Lens,for CO2 Laser Engraving Cutting Machine"
brand: "mcwlaser"
price: "₱5470"
currency: PHP
in_stock: true
url: https://www.desertcart.ph/products/505209589-mcwlaser-19mm-co2-laser-mirror-si-reflective-mirrors-lens-gold
store_origin: PH
region: Philippines
---

# >99.8% reflectivity High heat resistance 19mm diameter precision MCWlaser 19mm CO2 Laser Mirror Si Reflective Mirrors Lens Gold-Plated Silicon 3PCS CO2 Laser Lens,for CO2 Laser Engraving Cutting Machine

**Brand:** mcwlaser
**Price:** ₱5470
**Availability:** ✅ In Stock

## Summary

> 🔆 Elevate your laser game with mirrors that reflect brilliance!

## Quick Answers

- **What is this?** MCWlaser 19mm CO2 Laser Mirror Si Reflective Mirrors Lens Gold-Plated Silicon 3PCS CO2 Laser Lens,for CO2 Laser Engraving Cutting Machine by mcwlaser
- **How much does it cost?** ₱5470 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.ph](https://www.desertcart.ph/products/505209589-mcwlaser-19mm-co2-laser-mirror-si-reflective-mirrors-lens-gold)

## Best For

- mcwlaser enthusiasts

## Why This Product

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

## Key Features

- • **Durable 5-Layer Coating:** Advanced gold film coating ensures long-lasting performance under intense heat
- • **Ultra-High Reflectivity:** Reflects up to 99.8% infrared light, maximizing laser efficiency and cutting power
- • **Versatile Compatibility:** Perfect upgrade for K9 mirrors, fits 40W-150W CO2 laser engravers and cutters
- • **Oxidation-Proof Packaging:** Individually vacuum-sealed to prevent corrosion and maintain pristine quality
- • **Precision Gold-Plated Silicon:** Premium 19mm diameter with 3mm thickness for flawless laser reflection

## Overview

MCWlaser’s 19mm gold-plated silicon CO2 laser mirrors deliver exceptional >99.8% reflectivity and superior heat resistance, engineered with a durable 5-layer coating. Designed for 40W-150W laser engraving and cutting machines, these precision mirrors offer a reliable upgrade to standard K9 mirrors, packaged individually to prevent oxidation and ensure peak performance.

## Description

MCWlaser Si Reflective Mirror Coated Gold 3PCS Dia:19mm Thickness:3mm For CO2 Laser Engraving Cutting Engraver/Cutter 40W 50W 60W 80W 100W 130W 150W   Feature: 1.Gold-plated coating film.  2.Significantly high reflectivity; Be reach up to 99.2%.  3.The Si mirror is good replacement if you upgrade K9 mirror.  4.The Si/Silicon mirrors are widely used in low and high power CO2 lasers 40W-150W.  Application: Please check the lsting pic Parameter: Please check the listing pic.  Packing list: Si coated-gold mirror x3pcs

## Features

- 〖Silicon Laser Mirror Size〗Material: Gold-Plated Silicon. Diameter: 19mm/0.75", Thickness: 3mm/0.12", Shape: plane. Transmittance (Reflectivity): >99,2%.
- 〖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〗MCWlaser'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.
- 〖Widely Application〗Si laser mirror is suitable for 40-400W CO2 laser engraving and cutting machines. It's great replacement laser lens to the K9 mirror for K40 and other 40W engravers.
- 〖Package〗3PCS 19mm CO2 laser mirrors kit. Single piece independent packaging, Adopt closed vacuum packaging to prevent oxidation and corrosion.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | Shanghai Top Nine Industrial Co.,Ltd |
| Part Number | Cole |
| Package Dimensions | 10 x 8.8 x 1.9 cm; 27 g |
| Manufacturer reference | Cole |
| Size | Dia: 19mm ; 3PCS |
| Colour | Gold |
| Style | Laser |
| Material | Silicon |
| Item Package Quantity | 1 |
| Batteries included? | No |
| Batteries Required? | No |
| Item Weight | 27 g |

## Product Details

- **Brand:** MCWlaser
- **Material:** Silicon
- **Colour:** Gold
- **Style:** Laser
- **Operation mode:** Manual

## Images

![MCWlaser 19mm CO2 Laser Mirror Si Reflective Mirrors Lens Gold-Plated Silicon 3PCS CO2 Laser Lens,for CO2 Laser Engraving Cutting Machine - Image 1](https://m.media-amazon.com/images/I/516FbwKSEVL.jpg)
![MCWlaser 19mm CO2 Laser Mirror Si Reflective Mirrors Lens Gold-Plated Silicon 3PCS CO2 Laser Lens,for CO2 Laser Engraving Cutting Machine - Image 2](https://m.media-amazon.com/images/I/519IhD+C62L.jpg)
![MCWlaser 19mm CO2 Laser Mirror Si Reflective Mirrors Lens Gold-Plated Silicon 3PCS CO2 Laser Lens,for CO2 Laser Engraving Cutting Machine - Image 3](https://m.media-amazon.com/images/I/61kSNJAYGmL.jpg)
![MCWlaser 19mm CO2 Laser Mirror Si Reflective Mirrors Lens Gold-Plated Silicon 3PCS CO2 Laser Lens,for CO2 Laser Engraving Cutting Machine - Image 4](https://m.media-amazon.com/images/I/61xnIfEMdiL.jpg)
![MCWlaser 19mm CO2 Laser Mirror Si Reflective Mirrors Lens Gold-Plated Silicon 3PCS CO2 Laser Lens,for CO2 Laser Engraving Cutting Machine - Image 5](https://m.media-amazon.com/images/I/719CGl2mqbL.jpg)

## Available Options

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

## Questions & Answers

**Q: I have the 100 watt chinese red and black will these work?**
A: I have the 80w same machine
I don’t see why not

**Q: What adhesive would you use to attach to the backing plates**
A: Thank for your interest in our product.
Normally the mirror will be installed in the mirror mounts,no backing plates was required. If you mirror need the backing plates,could you send us the photo to show your original mirror and the backing plate for us to check again? So we give you the solution.
You may also contact with us by service@mcwlaser.com

**Q: Are they Plano-Convex or Meniscus lenses?**
A: They are the reflective mirrors,not focus lens. All of the mirrors are flat. The lens has the plano-convex or meniscus,depond on the difference focal length. I hope it will be helpful.You cn also contact with us by cncoletech@126.com if you have any other question.

Cole Technology Co.,Ltd

**Q: I have a universal laser 150w co2. the 2.0 lens i use comes in a bracket. is there any way to remove that lens and replace it with this?**
A: You say "Lens" in your question, but this item is a mirror? If you are replacing the mirror, there is always a way to do that.

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*Product available on Desertcart Philippines*
*Store origin: PH*
*Last updated: 2026-01-24*