--- product_id: 700056565 title: "FR4 Epoxy-Sheet Resin Glass-Fiber Insulation-Plate, 335X300X10MM" brand: "ciwenkai" price: "$126.62" currency: USD in_stock: true reviews_count: 8 category: "Ciwenkai" url: https://www.desertcart.us/products/700056565-fr4-epoxy-sheet-resin-glass-fiber-insulation-plate-335x300x10mm store_origin: US region: United States of America --- # High electrical insulation performance Robust 10mm thickness for durability Flame retardant for ultimate safety FR4 Epoxy-Sheet Resin Glass-Fiber Insulation-Plate, 335X300X10MM **Brand:** ciwenkai **Price:** $126.62 **Availability:** ✅ In Stock ## Summary > ⚡ Power your projects with the ultimate FR4 epoxy sheet – where strength meets safety! ## Quick Answers - **What is this?** FR4 Epoxy-Sheet Resin Glass-Fiber Insulation-Plate, 335X300X10MM by ciwenkai - **How much does it cost?** $126.62 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/700056565-fr4-epoxy-sheet-resin-glass-fiber-insulation-plate-335x300x10mm) ## Best For - ciwenkai enthusiasts ## Why This Product - Trusted ciwenkai brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Precision-Cut Dimensions:** 335x300x10mm sheet fits perfectly for high-end applications - • **Durable & Chemical-Resistant:** Engineered to withstand harsh environments and heavy use - • **Superior Electrical Insulation:** Protect your circuits with premium FR-4 fiberglass epoxy - • **Industrial-Grade Flame Resistance:** Stay safe with top-tier fire retardant epoxy resin - • **Versatile High-Performance Material:** Ideal for motors, PCBs, aviation, and renewable energy tech ## Overview The Ciwenkai FR4 Epoxy-Sheet is a 10mm thick, 335x300mm fiberglass laminate with exceptional flame retardant, electrical insulation, and mechanical strength properties. Trusted across industries like electronics, aviation, and renewable energy, this green FR-4 board delivers precision, durability, and chemical resistance for high-performance industrial applications. ## Description Thickness: 10mm Dimension:335x300mm Color:Green Material: Fiber Glass FR-4 is a thermoseting industrial laminate consisting of a continuous filament glass.Cloth material with an epoxy resin binder. It has characteristics of high strength. It has excellent electrical properties and chemical resistance. Review: Very nice, good quality no defects - Very nice, good quality no defects, clean, cut edges, correct dimensions decent packing overall very please. Review: Epoxy board! - Epoxy board! If you need it you buy it! ## Features - 1. FR-4 epoxy board has the characteristics of insulation, flame retardant, high temperature resistance, and strong physical properties - 2. It is an indispensable main material or auxiliary material for high -end motor electrical appliances, wind power, hydropower, rail transit, aviation navigation, mold molds, electronics, intelligent physiotherapy and other industries. - 3. You can injection mold molding machine, motor, PCB, ICT treatment table grinding pad, high -performance electronic insulation, FPC reinforcement board, carbon film, insulation pad . - 4. Good wetness and solidification - 5.Size: 2/5 "Thick x 11.8" Wide x 13.2 "Long ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0DPFHHY2W | | Best Sellers Rank | #514,205 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #64 in Laminate Sheets | | Brand | Ciwenkai | | Brand Name | Ciwenkai | | Color | green | | Customer Reviews | 4.9 out of 5 stars 40 Reviews | | Grade Rating | Industrial | | Item Dimensions | 13 x 11 x 0.4 inches | | Item Form | Sheet | | Item Shape | Square | | Item Thickness | 10 millimeters | | Item dimensions L x W x H | 13 x 11 x 0.4 inches | | Manufacturer | Ciwenkai | | Material | FR4 Epoxy | | Number of Items | 1 | | Part Number | 2356476 | | Shape | Square | | Specification Met | Fr-4 | | UPC | 768381400986 | ## Product Details - **Brand:** Ciwenkai - **Color:** green - **Item dimensions L x W x H:** 13 x 11 x 0.4 inches - **Material:** FR4 Epoxy - **Shape:** Square ## Images ![FR4 Epoxy-Sheet Resin Glass-Fiber Insulation-Plate, 335X300X10MM - Image 1](https://m.media-amazon.com/images/I/712Rrmr0uRL.jpg) ![FR4 Epoxy-Sheet Resin Glass-Fiber Insulation-Plate, 335X300X10MM - Image 2](https://m.media-amazon.com/images/I/71c73HcdqQL.jpg) ![FR4 Epoxy-Sheet Resin Glass-Fiber Insulation-Plate, 335X300X10MM - Image 3](https://m.media-amazon.com/images/I/619gEPbYwjL.jpg) ![FR4 Epoxy-Sheet Resin Glass-Fiber Insulation-Plate, 335X300X10MM - Image 4](https://m.media-amazon.com/images/I/61dArQX4ANL.jpg) ![FR4 Epoxy-Sheet Resin Glass-Fiber Insulation-Plate, 335X300X10MM - Image 5](https://m.media-amazon.com/images/I/51x62vf0nNL.jpg) ## Customer Reviews ### ⭐⭐⭐⭐⭐ Very nice, good quality no defects *by S***R on July 2, 2026* Very nice, good quality no defects, clean, cut edges, correct dimensions decent packing overall very please. ### ⭐⭐⭐⭐⭐ Epoxy board! *by S***N on July 6, 2026* Epoxy board! If you need it you buy it! ### ⭐⭐⭐⭐⭐ PERFECT! for my application *by A***R on October 24, 2023* FR4 Epoxy-Sheet Resin Glass-Fiber Insulation-Plate - 335x300x3.0mm This thin, high-strength, very rigid glass-reinforced resin plate solidly supports a heavy security camera with floodlights mounted on my garage. The garage’s aluminum siding is far too weak to support the 2-1/2 pound camera/floodlight, and, since the siding’s strakes tilt out from the garage’s 1x10 wood structure, they can’t be sandwiched behind the camera’s mounting base without collapsing into the underlying air space. My solution to that problem incorporates this composite plate into a fabricated panel that angles out to meet the back surface of the aluminum siding, accepts the camera’s mounting screws, and transfers the camera’s weight to the wood structure of the building. The project took some head-scratching and a good bit of fiddling, but the result is satisfyingly neat, strong, and weatherproof. Permanent too. My original idea was to use 1/16” sheet aluminum for the mounting plate, but I wasn’t confident it would be stiff enough. Spotting this engineered composite on Amazon was the eureka moment. It was just perfect for my application. I jig sawed the perimeters with a combination blade and drilled holes using carbide bits at moderate speed. Two-part slow-cure epoxy formed very strong attachments for necessary standoffs and threaded fasteners. (I prepped surfaces with acetone and coarse sandpaper.) This material met my particular needs SO well that it brought a good deal of pleasure to the project. Note to self - and to anyone who has read this far: Get this stuff when a situation calls for sheet material that’s really rigid and strong, waterproof, chemically and thermally stable, affordable… light, and good looking. --- ## 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.us/products/700056565-fr4-epoxy-sheet-resin-glass-fiber-insulation-plate-335x300x10mm](https://www.desertcart.us/products/700056565-fr4-epoxy-sheet-resin-glass-fiber-insulation-plate-335x300x10mm) --- *Product available on Desertcart United States of America* *Store origin: US* *Last updated: 2026-07-28*