{"id":1530,"date":"2015-10-22T15:31:54","date_gmt":"2015-10-22T15:31:54","guid":{"rendered":"https:\/\/virapco.com\/products\/vibration-absorbing-pad-rubber-and-polyurethane\/"},"modified":"2024-06-24T17:50:00","modified_gmt":"2024-06-24T17:50:00","slug":"vibration-absorbing-pad-rubber-and-polyurethane","status":"publish","type":"page","link":"https:\/\/virapco.com\/en\/products\/vibration-absorbing-pad-rubber-and-polyurethane\/","title":{"rendered":"Vibration absorbing pad (rubber and polyurethane)"},"content":{"rendered":"\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-cbjp6-d24940056eff78e3589c537ab7491a8b\">\n#top .flex_column.av-cbjp6-d24940056eff78e3589c537ab7491a8b{\nmargin-top:0px;\nmargin-bottom:0px;\n}\n.flex_column.av-cbjp6-d24940056eff78e3589c537ab7491a8b{\nborder-radius:0px 0px 0px 0px;\npadding:0px 0px 0px 0px;\n}\n.responsive #top #wrap_all .flex_column.av-cbjp6-d24940056eff78e3589c537ab7491a8b{\nmargin-top:0px;\nmargin-bottom:0px;\n}\n<\/style>\n<div  class='flex_column av-cbjp6-d24940056eff78e3589c537ab7491a8b av_one_full  avia-builder-el-0  el_before_av_one_full  avia-builder-el-first  first flex_column_div av-animated-generic bottom-to-top av-zero-column-padding  '     ><p>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-kktsn1gf-62f8fec8fa4b2a007f2c4b4abea38392\">\n#top .av-special-heading.av-kktsn1gf-62f8fec8fa4b2a007f2c4b4abea38392{\npadding-bottom:0;\n}\nbody .av-special-heading.av-kktsn1gf-62f8fec8fa4b2a007f2c4b4abea38392 .av-special-heading-tag .heading-char{\nfont-size:25px;\n}\n.av-special-heading.av-kktsn1gf-62f8fec8fa4b2a007f2c4b4abea38392 .av-subheading{\nfont-size:15px;\n}\n<\/style>\n<div  class='av-special-heading av-kktsn1gf-62f8fec8fa4b2a007f2c4b4abea38392 av-special-heading-h2 blockquote modern-quote  avia-builder-el-1  el_before_av_hr  avia-builder-el-first '><h2 class='av-special-heading-tag'  itemprop=\"headline\"  >Vibration absorbing pad (rubber and polyurethane)<\/h2><div class=\"special-heading-border\"><div class=\"special-heading-inner-border\"><\/div><\/div><\/div><br \/>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-33xfiq-30d6f79874bc4dff954f7c442be62ab0\">\n#top .hr.av-33xfiq-30d6f79874bc4dff954f7c442be62ab0{\nmargin-top:10px;\nmargin-bottom:10px;\n}\n.hr.av-33xfiq-30d6f79874bc4dff954f7c442be62ab0 .hr-inner{\nwidth:50px;\nborder-color:#efbb20;\n}\n<\/style>\n<div  class='hr av-33xfiq-30d6f79874bc4dff954f7c442be62ab0 hr-custom  avia-builder-el-2  el_after_av_heading  avia-builder-el-last  hr-right hr-icon-no'><span class='hr-inner inner-border-av-border-fat'><span class=\"hr-inner-style\"><\/span><\/span><\/div><\/p><\/div>\n<div  class='flex_column av-av_one_full-a1047e079729c501d55df63e7fa78842 av_one_full  avia-builder-el-3  el_after_av_one_full  el_before_av_one_full  first flex_column_div  column-top-margin'     ><section  class='av_textblock_section av-lvws4xxd-c6ed9f1b760f73fab838fe95e655a4ff '   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class='avia_textblock'  itemprop=\"text\" ><p>One of the most important problems in the operation of intra-city and inter-city railway lines is the creation of vibrations caused by the passage of the train. These vibrations, while damaging the infrastructure of the railway line, cause discomfort to the residents around the railway lines. Therefore, the buildings and historical monuments that are located near the subway and railways, under the influence of the dynamic stresses caused by the movement of the train, experience vibration and noise, and on the other hand, due to the rigid<\/p>\n<p>Being the infrastructure and pavement in the subway, this high rigidity causes wear of the suspension system and more noise. Therefore, to reduce noise and vibrations in railway lines, pads are used under the rails and rail bindings.<\/p>\n<p>Vibration absorbing pads can reduce vibrations by about 3 to 8 decibels. Vira Poish Sepid Company, the first exclusive manufacturer of carpets and vibration absorbing pads in the country, as the first creator of vibration absorbing pads in Iran, has taken steps to produce products in different types with different thicknesses and dimensions, and has a wide range of rail pads for any hardness required. , with different genders.<\/p>\n<p>All kinds of pads produced by Danesh Banyan Vira Poish Sepid company including button pads, two and four hole pads with different materials; It is rubber and polyurethane.<\/p>\n<\/div><\/section><\/div>\n<div  class='flex_column av-av_one_full-a1047e079729c501d55df63e7fa78842 av_one_full  avia-builder-el-5  el_after_av_one_full  el_before_av_one_half  first flex_column_div  column-top-margin'     ><section  class='av_textblock_section av-lvws5iq8-c30ca767be1c1337e31c8b80168ed0d0 '   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class='avia_textblock'  itemprop=\"text\" ><p><strong>Technical Specifications<\/strong><\/p>\n<table width=\"623\">\n<tbody>\n<tr>\n<td width=\"46\">Row<\/td>\n<td width=\"131\">Material properties<\/td>\n<td width=\"111\">Measured range<\/td>\n<td width=\"142\">Test methods<\/td>\n<td width=\"193\">comment<\/td>\n<\/tr>\n<tr>\n<td width=\"46\">1<\/td>\n<td width=\"131\">Tensile stress at break<\/td>\n<td width=\"111\">11.44.5- N\/mm<sup>2<\/sup><\/td>\n<td width=\"142\">DIN EN ISO 527-3\/5\/100<\/td>\n<td width=\"193\">Minimum Value<\/td>\n<\/tr>\n<tr>\n<td width=\"46\">2<\/td>\n<td width=\"131\">Water absorption<\/td>\n<td width=\"111\">0.33%<\/td>\n<td width=\"142\">DIN 45673<\/td>\n<td width=\"193\">Minimum value<\/td>\n<\/tr>\n<tr>\n<td width=\"46\">4<\/td>\n<td width=\"131\">Dynamic modulus<\/td>\n<td width=\"111\">0.20 N\/mm<sup>3<\/sup><\/td>\n<td width=\"142\">DIN 45673<\/td>\n<td width=\"193\">Minimum value<\/td>\n<\/tr>\n<tr>\n<td width=\"46\">5<\/td>\n<td width=\"131\">Static modulus<\/td>\n<td width=\"111\">0.142N\/mm<sup>3<\/sup><\/td>\n<td width=\"142\">DIN 45673<\/td>\n<td width=\"193\">Minimum value<\/td>\n<\/tr>\n<tr>\n<td width=\"46\">7<\/td>\n<td width=\"131\">Mechanical loss factor<\/td>\n<td width=\"111\">0.329<\/td>\n<td width=\"142\">DIN 53513<\/td>\n<td width=\"193\">Depending on frequency, load and amplitude (reference value)<\/td>\n<\/tr>\n<tr>\n<td width=\"46\">8<\/td>\n<td width=\"131\">Elongation at break<\/td>\n<td width=\"111\">662.2%<\/td>\n<td width=\"142\">DIN EN ISO 527-3\/5\/100<\/td>\n<td width=\"193\">Minimum value<\/td>\n<\/tr>\n<tr>\n<td width=\"46\">11<\/td>\n<td width=\"131\">Compression set<\/td>\n<td width=\"111\">5-11 %<\/td>\n<td width=\"142\">EN ISO 1856<\/td>\n<td width=\"193\">50 %, 23 \u00b0C, 70 h, 30 minutes after unloading<\/td>\n<\/tr>\n<tr>\n<td width=\"46\">12<\/td>\n<td width=\"131\">Density (D)<\/td>\n<td width=\"111\">1100 (kg\/m<sup>3<\/sup>)<\/td>\n<td width=\"142\">&#8211;<\/td>\n<td width=\"193\">&#8211;<\/td>\n<\/tr>\n<tr>\n<td width=\"46\">14<\/td>\n<td width=\"131\">Volume electrical resistance<\/td>\n<td width=\"111\">3.31\u00d710<sup>7<\/sup><\/td>\n<td width=\"142\">ASTM D257<\/td>\n<td width=\"193\"><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div><\/section><\/div><div  class='flex_column av-av_one_half-a1047e079729c501d55df63e7fa78842 av_one_half  avia-builder-el-7  el_after_av_one_full  el_before_av_one_half  first flex_column_div  column-top-margin'     ><style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-lvws9edl-29b1abb719628f452ca3363dc578ea22\">\n.avia-image-container.av-lvws9edl-29b1abb719628f452ca3363dc578ea22 img.avia_image{\nbox-shadow:none;\n}\n.avia-image-container.av-lvws9edl-29b1abb719628f452ca3363dc578ea22 .av-image-caption-overlay-center{\ncolor:#ffffff;\n}\n<\/style>\n<div  class='avia-image-container av-lvws9edl-29b1abb719628f452ca3363dc578ea22 av-styling- avia-align-center  avia-builder-el-8  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data-created_by=\"avia_inline_auto\" id=\"style-css-av-lvws9k3n-72fd9676776d0b97c5f6f42eab5ed90e\">\n.avia-image-container.av-lvws9k3n-72fd9676776d0b97c5f6f42eab5ed90e img.avia_image{\nbox-shadow:none;\n}\n.avia-image-container.av-lvws9k3n-72fd9676776d0b97c5f6f42eab5ed90e .av-image-caption-overlay-center{\ncolor:#ffffff;\n}\n<\/style>\n<div  class='avia-image-container av-lvws9k3n-72fd9676776d0b97c5f6f42eab5ed90e av-styling- avia-align-center  avia-builder-el-10  avia-builder-el-no-sibling '   itemprop=\"image\" itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/ImageObject\" ><div class=\"avia-image-container-inner\"><div class=\"avia-image-overlay-wrap\"><img fetchpriority=\"high\" fetchpriority=\"high\" decoding=\"async\" fetchpriority=\"high\" class='wp-image-1189 avia-img-lazy-loading-not-1189 avia_image ' src=\"https:\/\/virapco.com\/wp-content\/uploads\/2024\/05\/pad_2.jpg\" alt='' title='pad_2'  height=\"334\" width=\"488\"  itemprop=\"thumbnailUrl\" 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