Quick DetailsType: Heat SinksSurface Treatment: Nano CoatingWarranty(Year): 5Process: ExtrusionIP Rating: IP65Certification: CE, RoHSPlace of Origin: Zhejiang, China (Mainland)Brand Name: GentwinModel Number: FCZ-D280H320Body Color: Black/SilverShape: RoundBody Material: AluminumApplication: 300~400 WOverall Size: 280*320 mmColor: Black /SilverLight Source: COB /SMDWorking Principle: Phase Change Heat TransferWeight: 7.15 kgSupplyAbilitySupplyAbility: 20000 Piece/Pieces per Month For Standard ProductsPackaging &DeliveryPackaging DetailsSea-shipping carton and pallet.PortSHANGHAILead Time: 2~5 days for sample order; 10 days for bulk orderFeaturePhase -Change Heat SinkCore Technology: Heat Column(Pipe)High Thermal Conductivity: Far more than any materialLow Temp Start: Start to work even below 28Long lifespan: More than 10 yearsPhase Change Principle: Vapor-liquid circulating transformationThe Core of Heat Sink: Heat Column(Upgraded Heat Pipe)Heat Column: High efficient heat transfer deviceChina Invention Patent No.: ZL 2010 10162168.4Thermal Conductivity: Hundred times more than metal heat transferUsage Angle: Customized for 360°Environment friendly: Non-posisonous and harmless inorganic mediumChimney Convection Enhance CoolingA better air convection fin design by taking advantage of chimney effect lead to amuchBetter heat disspation.Nano-coating AppearanceOffers abetter heat dissipationCorrosion-proof and rust-proofColor options: Black or SilverCustomized Service for base Plate SizeVarious sizes of base plate are availableFor better performance and better priceFAQQ1. Can Ihave asample order for LED high bay heat sink?A: Yes, sample order to test and check quality is available. Mixed samples are acceptable.Q2. How about the lead time?A: 2-5 days for sample order, 10 business days for bulk orders for standard products.Q3. Do you have any MOQ limit for LED high bay heat sink order?A: No MOQ, even 1piece sample is OK; Different quantity has different price.Q4. How do you ship the goods and how long does it take to arrive?A: We usually ship by DHL, UPS, FedEx or TNT for sample order with freight collect. It usually takes 3-5 days. Bulk orders will go by air or by sea.Q5. How to proceed an order for LED high bay heat sink?A: Review information of heat sink online, choose what you like;Contact us to discuss the details such as: Application, drawing, customized, by mail, Skype, Wechat, What's APP, or call usPlace the order to us, arrange the payment, we can go on produce the goods.Q6. Is it OK to print my logo on LED high bay heat sink?A: Yes. It depends on the LOGO that you want to have, and we recommand to put your logo on our reflector by Laser after powder coating on its surface.Q7: Do you offer guarantee for the products?A: Yes, we offer 5years warranty for cooling performance of heat sink.Q8: How to deal with the faulty?A: First, inform us the faulty situation by sending us mail with photos and reports;Second, we will analyze the probable reasons and get back to you;Then, we can discuss about the solution according the reasons may cause the faulty.