50cm 100cm Thin 3240 epoxy resin board FR4 insulation board electric board fiberglass board high temperature resistantRegular thickness: 0.1mm--50mm, please touch me if you want different thickness or other dimensions (in addition, you could possibly set the thickness of 50MM-150MM)Length: 50cm / 100cmColor: yellow, light green, Black , WhiteMore specs required, wholesale prices. Please touch me.3240 epoxy board meaning:3240 is the nationwide usual number, resembling the EPGC201 variety in IEC893-3-2.According to JB-T 2197-1996 electrical insulation materials product classification, naming and model preparation method:3240 4 Arabic numerals:The first three represents laminates, coiled products, vacuum strain dipped productsThe moment place 2 represents the inorganic base laminateThe third four represents the temperature index level F (155 degrees)The fourth digit 0 represents the product range codeThe 3240 epoxy laminate has a tender surface, no air bubbles, no pits and wrinkles, yet permits for different defects that do not affect the use, such as: scratches, indentations, stains and small spots. The edges ought to be reduce well and the tip faces must be free of delamination and cracks.Executive standard: GB/T1303.1-1998.Temperature rating: Class BColor: pure (yellow), green, etc.Characteristics: The cured epoxy resin formula has splendid mechanical properties, excessive strength at medium temperature, and good electric steadiness below excessive humidity.Electrical: The cured epoxy resin method is a very good insulating materials with excessive dielectric properties, floor leakage resistance and arc resistance.Uses: Suitable for mechanical, electrical, electronic, electric and other fields. Also used for the processing of insulating parts, processing into varied sorts of insulating elements and kit insulation structural parts.The response of the epoxy resin and the curing agent used is implemented through a direct addition reaction or a ring-opening polymerization reaction of an epoxy group in a resin molecule, with out the discharge of water or different volatile by-products. They reveal very low shrinkage (less than 2%) during curing in comparison with unsaturated polyester resins and phenolic resins.1. Shipping TermsUsually, order may be sent within 4-7 working days.The default shipment is Airmail(20-35days),If you wish faster ways, others resembling EMS/DHL/TNT/Fedex etc. are available, yet it's best to pay the extra transport fee.When you make order,please want the shipping method which you want on our internet shop. We will word the tracking No. in order record or ship electronic mail to you.About the transport deadline of the shipment. Most countries will arrive within 35days, also, some international locations will take more time(up to 60days).So whenever you can't obtain your order in time, please contact us first(don't open dispute impetuously).If the order still doesn't arrive within 75days(Brazil 90days), we will refund you.2. Feedbackwe are a form and honest vendor. If you like our products, please do not hesitate to give us 5 star. If for any reason, you don't satisfied,please do not instantly depart detrimental feedback, simply touch us, we will try our best to make you satisfied.3. Customer Service-Because your satisfacition is our goal.Please dont leave any unfavorable or netural feedback or open any dispute on Aliexpress with out communication,thank you. We trust our communication will slove the difficulty for you.and it wont allow you to down.You know any adverse or netural or dispute totally will harm bothsides,and then will not let the issue if truth be told be solved. So please be at liberty to contact us. At Due to the difference of time zone between China and your location, occasionally the answer to your message will be not on time with 6-10 hours.We reply to messages Monday-Friday throughout regular enterprise hours, and most messages are replied within 1-2 business days. Please be patient! Thank you!4. Return Policy-We consistently verify intently earlier than ship the goods, however merchandise might get damage in the course of the long delivery.-If you discover any high quality problem, please touch us inside 7 days after you get the goods. We will solve the problem.-For any reason if you just want to return the products, please touch us inside 7 days after your receipt.-Keep the goods in long-established situation and pay the shipping cost by way of yourself, we are able to complete refund after acquire returned product.- A Refund could be given when we acquired the back item quality fine. Please touch us before shipping any goods back. The sender shipping prices do not return, and the back shipping charge should payed on your side. Thanks on your consider us.5. About Us-We are continually providing best quality merchandise and service to our customers. Hope every customers pleased looking on our shop. Thank you!