[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"detail-sidebar-cat-0-en-105":3,"doc-seo-672110-105":59,"doc-detail-672110-en":129},{"code":4,"msg":5,"data":6},0,"success",[7,13,18,23,28,33,38,43,48,51,55],{"id":8,"doc_module":4,"doc_module_name":9,"category_name":10,"show_sort_weight":11,"slug":12},1,"Document","Story & Novel",90,"story-novel",{"id":14,"doc_module":4,"doc_module_name":9,"category_name":15,"show_sort_weight":16,"slug":17},2,"Literature",80,"literature",{"id":19,"doc_module":4,"doc_module_name":9,"category_name":20,"show_sort_weight":21,"slug":22},4,"Exam",70,"exam",{"id":24,"doc_module":4,"doc_module_name":9,"category_name":25,"show_sort_weight":26,"slug":27},5,"Comic",60,"comic",{"id":29,"doc_module":4,"doc_module_name":9,"category_name":30,"show_sort_weight":31,"slug":32},6,"Technology",50,"technology",{"id":34,"doc_module":4,"doc_module_name":9,"category_name":35,"show_sort_weight":36,"slug":37},7,"Healthcare",40,"healthcare",{"id":39,"doc_module":4,"doc_module_name":9,"category_name":40,"show_sort_weight":41,"slug":42},8,"Research & Report",30,"research-report",{"id":44,"doc_module":4,"doc_module_name":9,"category_name":45,"show_sort_weight":46,"slug":47},9,"Religion & Spirituality",20,"religion-spirituality",{"id":46,"doc_module":4,"doc_module_name":9,"category_name":49,"show_sort_weight":46,"slug":50},"World Cup","world-cup",{"id":52,"doc_module":4,"doc_module_name":9,"category_name":53,"show_sort_weight":52,"slug":54},10,"Lifestyle","lifestyle",{"id":56,"doc_module":4,"doc_module_name":9,"category_name":57,"show_sort_weight":24,"slug":58},19,"General","general",{"code":4,"msg":60,"data":61},"ok",{"site_id":62,"language":63,"slug":64,"title":65,"keywords":66,"description":67,"schema_data":68,"social_meta":122,"head_meta":124,"extra_data":126,"updated_unix":128},105,"en","lexan-sgc308-matte-finish-sheet-mechanical-optical-electrical-properties","LEXAN SGC308 Matte-Finish Sheet - Mechanical, Optical, Electrical Properties","","LEXAN™ SGC308 is a matte-finish polycarbonate sheet for signage, combining impact strength with a proprietary UV-resistant surface treatment that helps protect against weathering. The sheet features a matte surface on one side and a polished surface on the other, making it suitable for thermoformed or flat signs where glare and reduced reflection are needed. It includes a five-year limited warranty against yellowing, light-transmission loss, and breakage, with typical physical, optical, mechanical, thermal, and electrical property values and referenced test methods.",{"@graph":69,"@context":121},[70,84,104],{"@type":71,"itemListElement":72},"BreadcrumbList",[73,77,79,82],{"item":74,"name":75,"@type":76,"position":8},"https://docshare.wps.com","Home","ListItem",{"item":78,"name":9,"@type":76,"position":14},"https://docshare.wps.com/document/",{"item":80,"name":30,"@type":76,"position":81},"https://docshare.wps.com/document/technology/",3,{"item":83,"name":65,"@type":76,"position":19},"https://docshare.wps.com/document/lexan-sgc308-matte-finish-sheet-mechanical-optical-electrical-properties/672110/",{"url":83,"name":65,"@type":85,"image":86,"author":91,"headline":65,"publisher":94,"fileFormat":97,"inLanguage":63,"description":67,"dateModified":98,"datePublished":98,"encodingFormat":97,"isAccessibleForFree":99,"interactionStatistic":100},"DigitalDocument",{"url":87,"@type":88,"width":89,"height":90},"https://docshare.wps.com/thumbnails/lexan-sgc308-matte-finish-sheet-mechanical-optical-electrical-properties/672110.png","ImageObject",300,407,{"name":92,"@type":93},"\tCallum ","Person",{"url":74,"name":95,"@type":96},"DocShare","Organization","application/pdf","2026-11-02",true,{"@type":101,"interactionType":102,"userInteractionCount":14},"InteractionCounter",{"@type":103},"ViewAction",{"@type":105,"mainEntity":106},"FAQPage",[107,113,117],{"name":108,"@type":109,"acceptedAnswer":110},"What are the key surface characteristics of LEXAN™ SGC308?","Question",{"text":111,"@type":112},"It has a matte surface on one side and a polished surface on the other. This design supports reduced reflection and glare for signage applications.","Answer",{"name":114,"@type":109,"acceptedAnswer":115},"What protection does LEXAN™ SGC308 provide against weathering and aging?",{"text":116,"@type":112},"A proprietary UV-resistant surface treatment protects the sheet from weathering. It also comes with a five-year limited warranty against yellowing, loss of light transmission, and breakage.",{"name":118,"@type":109,"acceptedAnswer":119},"Which types of properties are included in the typical property value tables?",{"text":120,"@type":112},"The document lists physical, optical (light transmission), refractive index, mechanical strength and stiffness, thermal expansion and heat deflection temperature, and electrical insulation characteristics with referenced test methods.","https://schema.org",{"og:url":83,"og:type":123,"og:title":65,"og:site_name":95,"og:description":67},"article",{"robots":125,"canonical":83},"index,follow",{"doc_id":127,"site_id":62},672110,1793585681,{"code":4,"msg":5,"data":130},{"doc_id":127,"user_id":131,"nickname":92,"user_avatar":132,"doc_module":4,"category_id":29,"category_name":30,"doc_title":65,"doc_description":67,"doc_content":133,"file_id":134,"file_url":135,"file_type":136,"file_size":137,"view_count":14,"is_deleted":4,"is_public":8,"is_downloadable":8,"audit_status":8,"page_count":81,"language":138,"language_code":63,"site_id":62,"html_lang":63,"table_of_contents":139,"faqs":140,"seo_title":141,"seo_description":67,"update_tm":128,"read_time":39},137451211410,"https://ap-avatar.wpscdn.com/avatar/2000bb0a9246f588df?x-image-process=image/resize,m_fixed,w_180,h_180&k=1786362646172706240","LEXAN™ SGC308  \nDESCRIPTION  \nMatte-finish LEXAN™ SGC308 sheet for signs combines the impact strength of LEXAN polycarbonate sheet with a proprietary, UVresistant surface treatment that protects it from weathering. LEXAN SG308 sheet is backed by a five-year limited warranty against yellowing, loss of light transmission and breakage\\# . LEXAN SGC308 sheet has a matte surface on one side and a polished surface on the other. It is ideally suited for all types of thermoformed or flat signs where reduced reflection and glare are required.  \nTYPICAL PROPERTY VALUES*  \n\n| \u003Cbr>PROPERTY\u003Cbr>Physical | \u003Cbr>TEST METHOD | \u003Cbr>UNITS | \u003Cbr>VALUE |\n| --- | --- | --- | --- |\n| Specific gravity | ASTM D792 | - | 1.20 |\n| Light Transmission @ . 125”(Average) | ASTM D1003 | % | 82 |\n| Refractive Index @ 77°F | ASTM D542A | - | 1.586 |\n| Rockwell Hardness | ASTM D785 | - | M70,R118 |\n| Mechanical |  |  |  |\n| Tensile Strength @ Yield | ASTM D638 | psi | 9,000 |\n| @ Ultimate |  |  | 9,000 |\n| Tensile Modulus | ASTM D638 | psi | 280,000 |\n| Flexural Strength | ASTM D790 | psi | 12,500 |\n| Flexural Modulus | ASTM D790 | Psi | 333,000 |\n| Elongation | ASTM D638 | % | 70 |\n| Poisson’s Ratio | - | - | 0.37 |\n| Compression Strength | ASTM D695 | Psi | 12,500 |\n| Izod Impact Strength, up to 125 mils | ASTM D256A | ft-lbs/in |  |\n| Notched |  |  | 12-16 |\n| Drop Ball Impact Strength, 1/8” dia.dart @ .236 thickness | POLYVANTIS Test \\#\\# | ft-lbs |  |\n| @ 73°F |  |  | >200 |\n| @ 32°F |  |  | >200 |\n| @ 0°F |  |  | >200 |\n| Thermal |  |  |  |\n| Coefficient of Thermal Expansion | ASTM D696 | in/in/°F | 3.75 x 10-5 |\n| Specific Heat @ 40° C |  | cal/gm/°C | 0.30 |\n| Heat Deflection Temperature | ASTM D648 | °F |  |\n| @ 264 psi |  |  | 260 |\n\n\n| PROPERTY TEST METHOD |  | UNITS | VALUE |\n| --- | --- | --- | --- |\n| Electrical |  |  |  |\n| Dielectric Strength, Short Time @ 125 mils | ASTM D149 | V/mil | 380 |\n| Dielectric Constant, 23°C @ 60 Hz | ASTM D150 | - | 2.9 |\n| @ 1,000 Hz |  |  | 2.9 |\n| @ 1,000,000 Hz |  |  | 2.9 |\n| Dissipation Factor @ 60 Hz | ASTM D150 |  | 0.009 |\n| @ 1,000 Hz |  |  | 0.01 |\n| Volume Resistivity @ 23°C | ASTM D257 |  | 8 x 10-16 |\n\n♦ These typical values are not intended for specification purposes. If minimum certifiable properties are required please contact your local POLYVANTIS Innovative Plastics, Specialty Film & Sheet representative.  \n\\# See actual Product Warranty for conditions that may apply.  \n\\#\\# 5-lb steel ball dropped from a height of 40 feet.  \nUL FILE NUMBER: 539257  \nUV RESISTANCE  \nLEXAN™ SGC308 sheet was compared to acrylic in Florida weathering tests. After five years, LEXAN SG 308 sheet showed only minimal changes in light transmission and clarity.  \nYELLOWNESS INDEX  \n9  \n8  \n7  \n6  \n5  \n4  \n3  \n2  \n1  \n1 2 3 4 5  \nYEARS EXPOSED  \nIMPACT RESISTANCE  \nLEXAN™ SGC308 sheet has up to 30 times the impact strength of “Acrylic” and 10 times the impact strength of “Modified Acrylic\" .  \nIMPACT RESISTANCE  \n¼” LEXAN™ SGC308 Sheet  \n¼“ Modified Acrylic  \n¼” Acrylic  \n0 25 50 75 200  \nMEASURED IN FOOT-POUNDS  \n© POLYVANTIS PV_DS_001_ 8040-FILM_ENG_06-24","cbCaipdAnlmkW5ET","https://ap.wps.com/l/cbCaipdAnlmkW5ET","pdf",182684,"English","# Description\n# Typical Property Values\n## Physical\n## Mechanical\n## Thermal\n## Electrical\n# UV Resistance\n# Yellowness Index\n# Impact Resistance\n# Warranty and Notes","[{\"question\":\"What are the key surface characteristics of LEXAN™ SGC308?\",\"answer\":\"It has a matte surface on one side and a polished surface on the other. This design supports reduced reflection and glare for signage applications.\"},{\"question\":\"What protection does LEXAN™ SGC308 provide against weathering and aging?\",\"answer\":\"A proprietary UV-resistant surface treatment protects the sheet from weathering. It also comes with a five-year limited warranty against yellowing, loss of light transmission, and breakage.\"},{\"question\":\"Which types of properties are included in the typical property value tables?\",\"answer\":\"The document lists physical, optical (light transmission), refractive index, mechanical strength and stiffness, thermal expansion and heat deflection temperature, and electrical insulation characteristics with referenced test methods.\"}]","LEXAN SGC308 Matte-Finish Sheet - Mechanical, Optical, Electrical Properties | PDF"]