{"id":49152,"date":"2025-06-11T15:06:06","date_gmt":"2025-06-11T09:36:06","guid":{"rendered":"https:\/\/plyinsight.com\/?p=49152"},"modified":"2025-06-27T11:22:29","modified_gmt":"2025-06-27T05:52:29","slug":"proposal-for-review-of-preservative-treatment-in-is-49902024","status":"publish","type":"post","link":"https:\/\/plyinsight.com\/hi\/proposal-for-review-of-preservative-treatment-in-is-49902024\/","title":{"rendered":"Proposal for Review of Preservative Treatment in IS 4990:2024"},"content":{"rendered":"<div class=\"wpb-content-wrapper\"><div class=\"vc_row wpb_row\"><div class=\"wpb_column column_container col-sm-12\"><div class=\"vc_column-inner\"><div class=\"wpb_wrapper\">\n\t<div class=\"wpb_text_column wpb_content_element\" >\n\t\t<div class=\"wpb_wrapper\">\n\t\t\t<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p><span style=\"color: #000000;\">To<\/span><\/p>\n<p><span style=\"color: #000000;\">Shri Pramod Kumar Tiwari IAS<\/span><\/p>\n<p><span style=\"color: #000000;\">DG \u2013 BIS, New Delhi<\/span><\/p>\n<p><span style=\"color: #000000;\"><strong>Sub: &#8211;<\/strong> Proposal for Review of Preservative Treatment in IS 4990:2024 Plywood for concrete shuttering work in the next CED-20 Meeting<\/span><\/p>\n<p><span style=\"color: #000000;\">Dear Sir,<\/span><\/p>\n<p><span style=\"color: #000000;\">We are pleased to submit our proposal for reviewing the preservative treatment requirements in IS 4990:2024-Plywood for Concrete Shuttering Works, as per the inputs provided on April 1st, 2025. The proposal includes a draft with suggested amendments to the preservative retention clause.<\/span><\/p>\n<p><span style=\"color: #000000;\">We kindly request that you consider this proposal for deliberation and potential adoption in the upcoming revision of IS 4990.<\/span><\/p>\n<p><a href=\"https:\/\/blackbirdplywood.com\/contact-us.php\" target=\"_blank\" rel=\"noopener\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-41759\" src=\"https:\/\/plyinsight.com\/wp-content\/uploads\/2017\/08\/Emm-Dee-gif.gif\" alt=\"\" width=\"1440\" height=\"162\" \/><\/a><\/p>\n<table style=\"height: 730px;\" width=\"411\">\n<tbody>\n<tr>\n<td width=\"367\"><span style=\"color: #000000;\">Current provision for retention in IS 4990<\/span><\/td>\n<td width=\"367\"><span style=\"color: #000000;\">Suggested provision<\/span><\/td>\n<\/tr>\n<tr>\n<td width=\"367\"><span style=\"color: #000000;\">Clause 10.11<\/span><\/p>\n<p><span style=\"color: #000000;\">Retention of Preservative<\/span><\/td>\n<td width=\"367\"><span style=\"color: #000000;\">Clause 10.11<\/span><\/p>\n<p><span style=\"color: #000000;\">Retention of Preservative<\/span><\/td>\n<\/tr>\n<tr>\n<td width=\"367\"><span style=\"color: #000000;\">Plywood shall be treated as per 6.6 and shall have a retention of not less than 12 kg\/m\u00b3, when tested in accordance with IS 2753 (Part 1).<\/span><\/p>\n<p><span style=\"color: #000000;\">Clause 6.6<\/span><\/p>\n<p><span style=\"color: #000000;\">The plywood after manufacture shall be given a preservative treatment as given in IS 5539 and conditioned to a moisture content not exceeding 15 percent. The preservative used shall have a copper-chrome-boron (CCB) composition or acid copper-chrome (ACC) composition, with retention of not less than 12 kg\/m\u00b3.<\/span><\/td>\n<td width=\"367\"><span style=\"color: #000000;\">Retention of preservative- Nil<\/span><\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p><span style=\"color: #000000;\">Retention of preservative- Nil<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><span style=\"color: #000000;\">Plywood used for concrete shuttering work must conform to IS 4990 standards &#8211; construction details, surface finish and flexural properties aligned with most international specifications. However, the specified chemical retention requirement of 12 kg\/m\u00b3 for preservative treatment should be reconsidered based on the usage pattern that is discarded after use and no requirement of long storage.<\/span><\/p>\n<p><span style=\"color: #000000;\">Based on the suggestions received from the technical committee, we propose the following provision for the preservative retention clause as mentioned in IS 4990.<\/span><\/p>\n<p><span style=\"color: #000000;\"><strong>Justification<\/strong><\/span><\/p>\n<ul>\n<li><span style=\"color: #000000;\">Shuttering plywood is used in alkaline cement environments. The high pH of cement acts as a natural biocide, reducing the risk of termite and fungal attack during use.<\/span><\/li>\n<li><span style=\"color: #000000;\">Shuttering plywood is specifically used for concrete shuttering work and is typically discarded after the work is completed. Due to its usage pattern, it is not usually stored in stock for an extended period before being consumed.<\/span><\/li>\n<\/ul>\n<ol>\n<li style=\"list-style-type: none;\">\n<ol>\n<li><span style=\"color: #000000;\">Joint Secretary, DPIIT, 2. Shri Pradeep Singh Sekhawat, 3. Director IWST<\/span><\/li>\n<\/ol>\n<\/li>\n<\/ol>\n<p><span style=\"color: #000000;\"><strong>\u00a0<\/strong><\/span><\/p>\n<p style=\"text-align: center;\"><span style=\"color: #000000;\"><strong>All India Plywood Manufacturers Association<\/strong><\/span><\/p>\n<p style=\"text-align: center;\"><span style=\"color: #000000;\"><strong>Haryana Plywood Manufacturers Association<\/strong><\/span><\/p>\n<p style=\"text-align: center;\"><span style=\"color: #000000;\"><strong>All India Plywood &amp; Laminate Industries<\/strong><\/span><\/p>\n<p style=\"text-align: center;\"><span style=\"color: #000000;\"><strong> UP Ply Association<\/strong><\/span><\/p>\n<p style=\"text-align: center;\"><span style=\"color: #000000;\"><strong>Association of Indian Plywood &amp; Laminate Industries<\/strong><\/span><\/p>\n<p style=\"text-align: center;\"><span style=\"color: #000000;\"><strong>The South Indian Plywood Manufacturers Association<\/strong><\/span><\/p>\n<p style=\"text-align: center;\"><span style=\"color: #000000;\"><strong>All Kerala Plywood &amp; Block Board Manufacturer\u2019s Association<\/strong><\/span><\/p>\n<p style=\"text-align: center;\"><span style=\"color: #000000;\"><strong>North Malabar Plywood &amp; Doors Manufacturers Association<\/strong><\/span><\/p>\n<p style=\"text-align: center;\"><span style=\"color: #000000;\"><strong>The Bengaluru Plywood Manufacturers Association<\/strong><\/span><\/p>\n<hr \/>\n<p style=\"text-align: center;\"><span style=\"color: #ff0000;\"><strong>\u00a0<\/strong><strong>\ud83d\udc47 Please Note\u00a0<\/strong><strong>\ud83d\udc47<\/strong><\/span><\/p>\n<p style=\"text-align: center;\"><span style=\"color: #ff0000;\"><strong>Thank you for reading our article!<\/strong><\/span><\/p>\n<p style=\"text-align: center;\"><span style=\"color: #ff0000;\"><strong>If you don&#8217;t received industries updates, News &amp; our daily articles<\/strong><\/span><\/p>\n<p style=\"text-align: center;\"><span style=\"color: #ff0000;\"><strong>please Whatsapp your Wapp No. or V Card on 8278298590, your number will be added in our broadcasting list.<\/strong><\/span><\/p>\n<hr \/>\n\n\t\t<\/div>\n\t<\/div>\n<\/div><\/div><\/div><\/div><div class=\"vc_row wpb_row\"><div class=\"wpb_column column_container col-sm-12\"><div class=\"vc_column-inner\"><div class=\"wpb_wrapper\">\n\t<div  class=\"wpb_single_image wpb_content_element vc_align_center wpb_content_element\">\n\t\t\n\t\t<figure class=\"wpb_wrapper vc_figure\">\n\t\t\t<a href=\"https:\/\/plyinsight.com\/hi\/placement-wanted\/\" target=\"_blank\" class=\"vc_single_image-wrapper   vc_box_border_grey\"><img loading=\"lazy\" decoding=\"async\" width=\"1433\" height=\"303\" src=\"https:\/\/plyinsight.com\/wp-content\/uploads\/2022\/12\/Placement-Wanted.jpg\" class=\"vc_single_image-img attachment-full\" alt=\"\" title=\"Placement Wanted\" srcset=\"https:\/\/plyinsight.com\/wp-content\/uploads\/2022\/12\/Placement-Wanted.jpg 1433w, https:\/\/plyinsight.com\/wp-content\/uploads\/2022\/12\/Placement-Wanted-300x63.jpg 300w, https:\/\/plyinsight.com\/wp-content\/uploads\/2022\/12\/Placement-Wanted-1024x217.jpg 1024w, https:\/\/plyinsight.com\/wp-content\/uploads\/2022\/12\/Placement-Wanted-768x162.jpg 768w, https:\/\/plyinsight.com\/wp-content\/uploads\/2022\/12\/Placement-Wanted-18x4.jpg 18w, https:\/\/plyinsight.com\/wp-content\/uploads\/2022\/12\/Placement-Wanted-600x127.jpg 600w\" sizes=\"auto, (max-width: 1433px) 100vw, 1433px\" \/><\/a>\n\t\t<\/figure>\n\t<\/div>\n<\/div><\/div><\/div><\/div><div class=\"vc_row wpb_row\"><div class=\"wpb_column column_container col-sm-12\"><div class=\"vc_column-inner\"><div class=\"wpb_wrapper\">\n\t<div class=\"wpb_raw_code wpb_raw_html wpb_content_element\" >\n\t\t<div class=\"wpb_wrapper\">\n\t\t\t<html>\n<head>\n<\/head>\n<body>\n  <marquee behavior=\"scrolling\" direction=\"left\" scrollamount=\"3\" seamless>\n    <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/plyinsight.com\/wp-content\/uploads\/2022\/10\/Logos-2.png\" width=\"800\" height=\"600\" alt=\"Natural\" \/>\n <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/plyinsight.com\/wp-content\/uploads\/2022\/10\/Logos-2.png\" width=\"800\" height=\"600\" alt=\"Natural\" \/>\n  <\/marquee>\n<\/body>\n<\/html>\n\t\t<\/div>\n\t<\/div>\n<\/div><\/div><\/div><\/div>\n<\/div>","protected":false},"excerpt":{"rendered":"&nbsp; &nbsp; To Shri Pramod Kumar Tiwari IAS DG \u2013 BIS, New Delhi Sub: - Proposal for Review of Preservative Treatment in IS 4990:2024 Plywood for concrete shuttering work in the next CED-20 Meeting Dear Sir, We are pleased to submit our proposal for reviewing the preservative treatment requirements in IS 4990:2024-Plywood for Concrete Shuttering [...]","protected":false},"author":1,"featured_media":43420,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[9515],"tags":[9557,1326,9561,9559,9555,9556,459,9562,91,516,4623,9560,9558],"class_list":["post-49152","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-june-articles-2025","tag-all-india-plywood-laminate-industries","tag-all-india-plywood-manufacturers-association","tag-all-kerala-plywood-block-board-manufacturers-association","tag-association-of-indian-plywood-laminate-industries","tag-ced-20-meeting","tag-consider","tag-haryana-plywood-manufacturers-association","tag-north-malabar-plywood-doors-manufacturers-association","tag-plywood","tag-shuttering","tag-the-bengaluru-plywood-manufacturers-association","tag-the-south-indian-plywood-manufacturers-association","tag-up-ply-association"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.9 - 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