--- product_id: 346030610 title: "MCWlaser 3PCS Si Mirror Coated Gold Dia:25mm for CO2 Laser Engraving Cutting 40W-150W" brand: "mcwlaser" price: "S$64" currency: SGD in_stock: true category: "Mc Wlaser" url: https://www.desertcart.sg/products/346030610-mcwlaser-3pcs-si-mirror-coated-gold-dia-25mm-for-co2 store_origin: SG region: Singapore --- # High Damage Threshold 99.9% Reflectance 3mm Thickness Precision MCWlaser 3PCS Si Mirror Coated Gold Dia:25mm for CO2 Laser Engraving Cutting 40W-150W **Brand:** mcwlaser **Price:** S$64 **Availability:** ✅ In Stock ## Summary > ✨ Reflect your laser’s true potential with MCWlaser gold mirrors! ## Quick Answers - **What is this?** MCWlaser 3PCS Si Mirror Coated Gold Dia:25mm for CO2 Laser Engraving Cutting 40W-150W by mcwlaser - **How much does it cost?** S$64 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/346030610-mcwlaser-3pcs-si-mirror-coated-gold-dia-25mm-for-co2) ## 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 - • **Pro-Level Laser Upgrade:** Elevate your engraving game with mirrors trusted by professionals for high power laser systems. - • **Versatile Compatibility:** Perfect drop-in replacement for K9 mirrors on popular CO2 laser engravers and cutters. - • **Ultra-Reflective Brilliance:** Maximize laser efficiency with 99.9% reflectance for crisp, precise cuts. - • **Precision Engineered Durability:** 3mm thick silicon mirrors built to last through intense 40W-150W laser operations. - • **Golden Coating for Peak Performance:** Si mirror coated with gold ensures minimal energy loss and superior reflection. ## Overview The MCWlaser 3PCS Si Mirror Coated Gold (25mm diameter) is a high-precision silicon mirror designed for CO2 laser engraving and cutting machines ranging from 40W to 150W. Featuring a 99.9% reflectance rate and durable 3mm thickness, these gold-coated mirrors minimize energy loss and withstand high damage thresholds, making them an ideal upgrade or replacement for K9 mirrors in professional laser systems. ## Description High Quality Si Reflection Mirror for CO2 Laser Cutter Engraver?40-200W Diameter 25mmThis optical element is used for planar reflecting the laser beam and is an important component of the laser system.The biggest advantage of si mirror is it has high damage threshold. So it can be used in some high power laser systems such as laser engraving machines and laser cutting machines.As a kind of high quality si mirrors, it has high reflectance and low flatness. Using the high quality surface coating will protect the layer of molybdenum not to damage, and increases the molybdenum layer reflection efficiency.Specification:Material: SiWave length: 10.6umDiameter tolerance: +0/-0.1mmReflectance: 99.9%Thickness tolerance: -0/0.1mmAperture: > 90%Thickness: 3mmPackages:3 pieces ## Features - Material: Si coated golden - Dia:19mm/20mm/25mm/30mm/38mm optional ; Thickness:3mm - High reflective 99.2% ; Less loss of energy; Durable and long service life. - Good replacement for the K9 mirror for K40 or the other 40W engraver/cutter. - It can be used for CO2 laser low and high power engraving and cutting 40W/50W/80W/100W/130W/150W. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B07MPV297F | | Best Sellers Rank | #145,283 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #197 in Engraving Tools | | Brand Name | MCWlaser | | Color | Gold | | Customer Reviews | 4.5 4.5 out of 5 stars (187) | | Item Dimensions L x W | 25L x 25W millimeters | | Item Weight | 0.02 Kilograms | | Manufacturer | Shanghai Top Nine Industrial Co.,Ltd | | Manufacturer Part Number | LM1-SI25x3 | | Material Type | Silicon | | Model Number | LM1-SI25x3 | | Number of Items | 3 | | Number of Packs | 3 | | Operation Mode | Automatic | | Style Name | Laser | | UPC | 642337974380 671875153841 | | Unit Count | 1.0 Count | ## Product Details - **Brand:** MCWlaser - **Colour:** Gold - **Material:** Silicon - **Product dimensions:** 25L x 25W millimeters - **Style:** Laser ## Images ![MCWlaser 3PCS Si Mirror Coated Gold Dia:25mm for CO2 Laser Engraving Cutting 40W-150W - Image 1](https://m.media-amazon.com/images/I/61UwHnKGAXL.jpg) ## Available Options This product comes in different **Size** options. ## Frequently Bought Together - MCWlaser Co2 Laser Mirrors 25mm Si Reflective Lens Laser Mirror 3PCS CO2 Laser Lens Gold-Plated Silicon Mirrors for CO2 Laser Machine - Cloudray CO2 Laser Lens 18mm Laser Mirror CO2 Laser Focal Lens CO2 Focus Lens,PVD ZnSe for CO2 Laser Engraving Cutting Machine,Laser Cutter 30W-100W,Dia 18mm FL50.8mm - CNCOLETECH 20mm CO2 Laser Lens, 50.8mm Focal Length, PVD ZnSe Material, 30W-100W Compatible, For CO2 Laser Engraving & Cutting --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.sg/products/346030610-mcwlaser-3pcs-si-mirror-coated-gold-dia-25mm-for-co2](https://www.desertcart.sg/products/346030610-mcwlaser-3pcs-si-mirror-coated-gold-dia-25mm-for-co2) --- *Product available on Desertcart Singapore* *Store origin: SG* *Last updated: 2026-10-26*