{"product_id":"pro-grade-high-purity-boron-nitride-ceramic-square","title":"Pro Grade High Purity Boron Nitride Ceramic Square Sheet 99 Percent for Heat Sinks and Lab Experiments 4mm Thick by 20mm Square with Superior Thermal Conductivity and Electrical Insulation","description":"\u003cdiv\u003eHigh-Purity Boron Nitride Square Sheet for Heat Sinks 4x20mm\u003cbr\u003e\n✔️ 4 mm x 20 mm BN sheet, single sheet, 99% purity, high thermal conductivity \u003cp\u003eThis premium boron nitride ceramic square sheet is designed for lab experiments and heat sink assemblies. It measures 4 mm thick by 20 mm square (0.16 in x 0.79 in), and is sold as a single sheet for precise prototyping.\u003c\/p\u003e \u003cp\u003eKey specs at a glance include ultra-high purity BN material, excellent thermal management, and robust electrical insulation suitable for scientific and engineering work. Perfect for research benches, prototype builds, and metal or ceramic processing tests.\u003c\/p\u003e ✅ 99% purity boron nitride ceramic with hexagonal structure \u003cbr\u003e\n✅ excellent thermal conductivity and electrical insulation for electronics \u003cbr\u003e\n✅ withstands high temperatures up to 2000°C with chemical stability \u003cbr\u003e\n✅ very low thermal expansion 2-4 × 10⁻⁶\/°C for dimensional stability \u003cbr\u003e\n✅ ideal for sintering and casting of metals, ceramics, and rare earths \u003cbr\u003e \u003cp\u003e💡 What is a boron nitride ceramic sheet used for in high-temperature lab setups and heat sink projects?\u003c\/p\u003e\n\u003cp\u003eIt’s handy for providing stable insulation and efficient heat spread in demanding environments.\u003c\/p\u003e - high-temp insulation and heat spreading in electronics and lab gear\n- stable dimensions under rapid temperature changes with very low expansion\n- chemical resistance and compatibility with metals and ceramics \u003c\/div\u003e","brand":"Amazon","offers":[{"title":"Default Title","offer_id":48213315715307,"sku":"VXB0GS5L8CNY","price":77.77,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0662\/3268\/0683\/files\/31aEHzyao4L_daf88921-29c7-4212-a378-a9a0c0051642.jpg?v=1778817367","url":"https:\/\/vxb.com\/products\/pro-grade-high-purity-boron-nitride-ceramic-square","provider":"VXB Bearings","version":"1.0","type":"link"}