{"id":53,"date":"2008-12-01T11:14:24","date_gmt":"2008-12-01T16:14:24","guid":{"rendered":"http:\/\/www.esdpros.com\/?p=6"},"modified":"2008-12-01T11:14:24","modified_gmt":"2008-12-01T16:14:24","slug":"controlling-static-electricity-on-concrete","status":"publish","type":"post","link":"https:\/\/www.gndzero.com\/blog\/controlling-static-electricity-on-concrete\/","title":{"rendered":"Controlling static electricity on concrete"},"content":{"rendered":"<p><strong>Q:<\/strong> Why can&#8217;t bare or sealed concrete be used as a method for controlling static electricity in a electronics manufacturing environment verse utilizing a Conductive or Static Dissipative covering and\/or coating?<\/p>\n<p><strong>A:<\/strong> I&#8217;ve done some studies on ESD resistive characteristics of the several different floor surfaces. In light of the following question, I just snapped some photos of ESD readings on the following surfaces:<\/p>\n<div style=\"width: 250px\" class=\"wp-caption alignnone\"><img decoding=\"async\" title=\"ESD reading on Dry Concrete\" src=\"http:\/\/www.gndzero.com\/images\/flooring_question\/dry_concrete.jpg\" alt=\"ESD reading on Dry Concrete\" width=\"240\" height=\"180\" \/><p class=\"wp-caption-text\">ESD reading on Dry Concrete<\/p><\/div>\n<p><strong>Bare concrete (dry). <\/strong>Results- barely conductive, very humidity dependant; in the insulative range(1E09-1E12)<\/p>\n<div style=\"width: 250px\" class=\"wp-caption alignnone\"><img decoding=\"async\" title=\"ESD reading on Asphalt\" src=\"http:\/\/www.gndzero.com\/images\/flooring_question\/asphalt.jpg\" alt=\"ESD reading on Asphalt\" width=\"240\" height=\"180\" \/><p class=\"wp-caption-text\">ESD reading on Asphalt<\/p><\/div>\n<p><strong>Asphalt.<\/strong> Results- unacceptable; above insulative.<\/p>\n<div style=\"width: 250px\" class=\"wp-caption alignnone\"><img decoding=\"async\" title=\"ESD reading on Dirt\" src=\"http:\/\/www.gndzero.com\/images\/flooring_question\/dirt.jpg\" alt=\"ESD reading on Dirt\" width=\"240\" height=\"180\" \/><p class=\"wp-caption-text\">ESD reading on Dirt<\/p><\/div>\n<p><strong>Dirt.<\/strong> Results- pretty good, acually comes in at barely dissipative; Upside, cheap; Downside, hard to clean.<\/p>\n<div style=\"width: 250px\" class=\"wp-caption alignnone\"><a href=\"http:\/\/gndzero.com\/grounding_static_control_carpet_us.php\" target=\"_blank\"><img loading=\"lazy\" decoding=\"async\" title=\"Reading on ESD Carpet\" src=\"http:\/\/www.gndzero.com\/images\/flooring_question\/carpet.jpg\" alt=\"Reading on ESD Carpet\" width=\"240\" height=\"180\" \/><\/a><p class=\"wp-caption-text\">Reading on ESD Carpet<\/p><\/div>\n<p><strong>ESD Carpet<\/strong> (<a href=\"http:\/\/gndzero.com\/grounding_static_control_carpet_us.php\" target=\"_blank\">Ground Zero Information<\/a>). Results- ESD conductive(2.5e4-1.0E6).<\/p>\n<div style=\"width: 250px\" class=\"wp-caption alignnone\"><a href=\"http:\/\/gndzero.com\/grounding_static_control_vinyl_tile_du.php\" target=\"_blank\"><img loading=\"lazy\" decoding=\"async\" title=\"Reading on ESD Tile\" src=\"http:\/\/www.gndzero.com\/images\/flooring_question\/vinyl_tile.jpg\" alt=\"Reading on ESD Tile\" width=\"240\" height=\"180\" \/><\/a><p class=\"wp-caption-text\">Reading on ESD Tile<\/p><\/div>\n<p><strong>ESD Tile<\/strong> (<a href=\"http:\/\/gndzero.com\/grounding_static_control_vinyl_tile_du.php\" target=\"_blank\">Ground Zero Information<\/a>). Results &#8211; ESD dissipative(1.0E6-1.0E8).<\/p>\n<div style=\"width: 250px\" class=\"wp-caption alignnone\"><a href=\"http:\/\/gndzero.com\/grounding_chemicals_st.php\" target=\"_blank\"><img loading=\"lazy\" decoding=\"async\" title=\"Reading on Sealed Concrete\" src=\"http:\/\/www.gndzero.com\/images\/flooring_question\/bare_concrete.jpg\" alt=\"Reading on Sealed Concrete\" width=\"240\" height=\"180\" \/><\/a><p class=\"wp-caption-text\">Reading on Sealed Concrete<\/p><\/div>\n<p><strong>Sealed Concrete.<\/strong> Results-unacceptable; a sealed concrete is necessary for heavy foot traffic, but the very thing that would make the concrete conductive is sealed out- moisture. This floor could be made dissipative very easily with an ESD chemical (<a href=\"http:\/\/gndzero.com\/grounding_chemicals_st.php\" target=\"_blank\">Ground Zero Information<\/a>).<\/p>\n<div style=\"width: 250px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" title=\"Reading on Particle Board\" src=\"http:\/\/www.gndzero.com\/images\/flooring_question\/particle_board.jpg\" alt=\"Reading on Particle Board\" width=\"240\" height=\"180\" \/><p class=\"wp-caption-text\">Reading on Particle Board<\/p><\/div>\n<p><strong>Particle board.<\/strong> See asphalt<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Q: Why can&#8217;t bare or sealed concrete be used as a method for controlling static electricity in a electronics manufacturing environment verse utilizing a Conductive or Static Dissipative covering and\/or coating? A: I&#8217;ve done some studies on ESD resistive characteristics of the several different floor surfaces. In light of the following question, I just snapped [&hellip;]<\/p>\n","protected":false},"author":5,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[10,22],"tags":[39,46,47,53,55,66,90,136],"class_list":["post-53","post","type-post","status-publish","format-standard","hentry","category-flooring","category-surfaces","tag-asphalt","tag-concrete","tag-conductive","tag-dirt","tag-dissipative","tag-esd-carpet","tag-esd-tile","tag-static-electricity"],"_links":{"self":[{"href":"https:\/\/www.gndzero.com\/blog\/wp-json\/wp\/v2\/posts\/53","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.gndzero.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.gndzero.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.gndzero.com\/blog\/wp-json\/wp\/v2\/users\/5"}],"replies":[{"embeddable":true,"href":"https:\/\/www.gndzero.com\/blog\/wp-json\/wp\/v2\/comments?post=53"}],"version-history":[{"count":0,"href":"https:\/\/www.gndzero.com\/blog\/wp-json\/wp\/v2\/posts\/53\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.gndzero.com\/blog\/wp-json\/wp\/v2\/media?parent=53"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.gndzero.com\/blog\/wp-json\/wp\/v2\/categories?post=53"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.gndzero.com\/blog\/wp-json\/wp\/v2\/tags?post=53"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}