Store Categories Store Categories fishing tool Fishing Accessories Fishing Boxes Baits Lures Business Industrial Electrical Test Equipment Lab Supplies Electrics Switches Toys Hobbies Pit Balls Tents, Tunnels Playhuts Shade Cloth Spear Rod Gun Fishing Rods Fishing Net Polyfilm Diode Rectifier Capacitor Wooden Chips Semi-Finished Mesh Column Parachute Pit Balls Other 1Pc Aluminum Nitride Ceramic Sheet Heat Sink Pads ALN Ceramic Gasket Product Description 1. After polishing the surface finish, Ra?0.1?m; 2. The dimensional accuracy of the product in all directions is guaranteed by laser marking, the minimum value is 0.1mm; 3. Products with special specifications can be customized according to customer requirements, with any thickness. Aluminum nitride ceramics have excellent thermal conductivity (7-10 times that of alumina ceramics), low dielectric constant and dielectric loss, reliable insulation performance, excellent mechanical properties, non-toxic, high temperature resistance, and chemical corrosion resistance , And the coefficient of thermal expansion is similar to that of silicon, as a new generation of ceramic materials, more and more people pay attention and value. The aluminum nitride ceramics produced by our company are of the highest quality among similar domestic products and are of international advanced level. They are widely used in communication devices, high-brightness LEDs, power electronic devices and other industries. Note: The buyer is responsible for any applicable import duties and local taxes. Please verify with your customs before making your purchase. Payment Policy Shipping Policy Returns Policy Contact Us Payment Policy 1. We only accept PayPal. 2. Payment needs to be cleared within 5 days. Shipping Policy 1. We ship to your address by default. Please make sure your address is correct before you make payment. 2. Would you please leave a home or mobile phone number for us if available because it will help your package to be delivered on time. 3. We will ship the item by express if you are willing to pay extra express fee, please contact us if you want to send the item by express. Returns Policy In the unlikely event that a return is request, all returns must include all original items undamaged, in re-saleable condition, all original packaging including manuals, warranty forms, etc. Shipping and handling fees are not refundable. Buyer is responsible for shipping costs incurred shipping products back. Contact Us All sales are final. The feedback is very important for us, positive feedback and 5 Score DSR is highly appreciated. If any question, please feel free to contact us via "Ask seller a question" ,We try our best to reply to your emails as soon as possible, however, due to high volume of daily incoming emails and time zone difference, we may not be able to reply your emails immediately. Please allow 1-2 business days for us to response. Copyright 2021 Dianxiaomi