{"id":2864,"date":"2024-12-18T10:02:14","date_gmt":"2024-12-18T10:02:14","guid":{"rendered":"https:\/\/nanoflex.com.vn\/?p=2864"},"modified":"2024-12-18T10:02:14","modified_gmt":"2024-12-18T10:02:14","slug":"distinguish-between-pu-pyramid-sound-absorption-pu-egg-sheet-sound-absorption-and-egg-shaped-rubber-foam-sound-absorption","status":"publish","type":"post","link":"https:\/\/nanoflex.com.vn\/en\/distinguish-between-pu-pyramid-sound-absorption-pu-egg-sheet-sound-absorption-and-egg-shaped-rubber-foam-sound-absorption\/","title":{"rendered":"Distinguish between PU Pyramid sound absorption, PU egg sheet sound absorption and egg-shaped rubber foam sound absorption"},"content":{"rendered":"<p><span style=\"font-family: arial, helvetica, sans-serif;\">Among the current sound absorption solutions, PU Pyramid sound absorption foam, PU egg sheet crate sound absorption foam and rubber foam egg shape sound absorption are three commonly used materials thanks to their effective sound absorption ability and diverse applications. Each type has its own unique characteristics in terms of structure, performance and purpose of use, suitable for each space and different sound insulation needs. Let&#8217;s learn in detail to clearly distinguish these types of sound absorption, thereby choosing the most suitable product for your project.<\/span><\/p>\n<h3 style=\"text-align: center;\"><span style=\"font-family: arial, helvetica, sans-serif;\">PU Pyramid\u00a0tower sound absorption<\/span><\/h3>\n<p><span style=\"font-family: arial, helvetica, sans-serif;\">Pyramid sound absorption foam is a popular sound absorption product line thanks to its outstanding efficiency and unique design. Made from PU Foam material, a light, soft foam with a tightly linked micro-air pocket structure, this product provides a comprehensive sound insulation solution for many spaces.<\/span><\/p>\n<h4><span style=\"font-family: arial, helvetica, sans-serif;\">Structure and operating mechanism<\/span><\/h4>\n<p><span style=\"font-family: arial, helvetica, sans-serif;\">Pyramid foam has a surface consisting of many closely arranged pyramids, creating a large sound absorption area. When in contact, the sound will be retained in the air pockets and converted into heat energy, helping to minimize the phenomenon of reflected sound waves, noise and echo effectively.<\/span><\/p>\n<h4><span style=\"font-family: arial, helvetica, sans-serif;\">Outstanding advantages<\/span><\/h4>\n<p>\n<span style=\"font-family: arial, helvetica, sans-serif;\">Optimal sound absorption: Most effective with high and mid-frequency ranges, especially low frequencies below 500Hz.<\/span><br \/>\n<span style=\"font-family: arial, helvetica, sans-serif;\">Flexible design: The height and size of the tower positively affect the sound dispersion and sound absorption angle, helping to optimize sound absorption efficiency.<\/span><br \/>\n<span style=\"font-family: arial, helvetica, sans-serif;\">Easy to construct: Light, easy to transport, easy to cut and install, suitable for many types of spaces.<\/span><br \/>\n<span style=\"font-family: arial, helvetica, sans-serif;\">Safe and friendly: Odorless, non-toxic, ensuring safety for health and environmentally friendly.<\/span><\/p>\n<h4>\n<span style=\"font-family: arial, helvetica, sans-serif;\">Practical applications<\/span><\/h4>\n<p><span style=\"font-family: arial, helvetica, sans-serif;\">Pyramid sound-absorbing foam is widely used in:<\/span><\/p>\n<p><span style=\"font-family: arial, helvetica, sans-serif;\">Recording studios, broadcasting rooms.<\/span><br \/>\n<span style=\"font-family: arial, helvetica, sans-serif;\">Karaoke room, family theater room.<\/span><br \/>\n<span style=\"font-family: arial, helvetica, sans-serif;\">Movie theater, livestream room, music room, empty room.<\/span><\/p>\n<p><span style=\"font-family: arial, helvetica, sans-serif;\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-2854 aligncenter\" src=\"https:\/\/nanoflex.com.vn\/wp-content\/uploads\/2024\/12\/tieu-am-thap-co-keo-5.jpg\" alt=\"Ti\u00eau \u00e2m PU foam m\u00fat th\u00e1p\" width=\"800\" height=\"793\" srcset=\"https:\/\/nanoflex.com.vn\/wp-content\/uploads\/2024\/12\/tieu-am-thap-co-keo-5.jpg 800w, https:\/\/nanoflex.com.vn\/wp-content\/uploads\/2024\/12\/tieu-am-thap-co-keo-5-300x297.jpg 300w, https:\/\/nanoflex.com.vn\/wp-content\/uploads\/2024\/12\/tieu-am-thap-co-keo-5-150x150.jpg 150w, https:\/\/nanoflex.com.vn\/wp-content\/uploads\/2024\/12\/tieu-am-thap-co-keo-5-768x761.jpg 768w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/span><\/p>\n<h3 style=\"text-align: center;\"><span style=\"font-family: arial, helvetica, sans-serif;\">\u00a0PU egg sheet\u00a0Sound Absorption<\/span><\/h3>\n<p><span style=\"font-family: arial, helvetica, sans-serif;\">Egg-Crate PU Foam Sound Absorption, also known as egg-shaped foam, is one of the most popular sound absorption materials today. The product is made from PE Foam &#8211; a light, porous material with a round surface structure like an egg, which helps increase sound absorption efficiency, especially in the mid and treble frequencies.<\/span><\/p>\n<h4><span style=\"font-family: arial, helvetica, sans-serif;\">Outstanding advantages of PU Foam Egg Basket Sound Absorption<\/span><\/h4>\n<p><span style=\"font-family: arial, helvetica, sans-serif;\"><strong>Outstanding sound absorption efficiency:<\/strong>Good sound absorption ability in many different frequency ranges from 80Hz &#8211; 1000Hz. Reduces refraction and echo in space.<\/span><\/p>\n<p><span style=\"font-family: arial, helvetica, sans-serif;\"><strong>Reasonable cost: <\/strong>Compared to other sound absorption products, egg foam has an affordable price, suitable for the budget of many customers.<\/span><\/p>\n<p><span style=\"font-family: arial, helvetica, sans-serif;\"><strong>Light weight, easy to transpor<\/strong>t: Made from PE Foam, the product is very light, convenient for transportation and construction.<\/span><\/p>\n<p><span style=\"font-family: arial, helvetica, sans-serif;\"><strong>Easy to install<\/strong>: Can be easily cut and joined with a regular paper cutter to shape according to needs. Just clean the surface, apply glue and fix it to complete.<\/span><\/p>\n<p><span style=\"font-family: arial, helvetica, sans-serif;\"><strong>Environmentally friendly: <\/strong>No unpleasant odor, no fine dust, ensuring safety for the health of the construction and user.<\/span><\/p>\n<p><span style=\"font-family: arial, helvetica, sans-serif;\"><strong>High aesthetics: <\/strong>Beautiful surface design, can be used as a decorative accessory to increase sound absorption efficiency and beautify the space.<\/span><\/p>\n<h4><span style=\"font-family: arial, helvetica, sans-serif;\">Application of Egg Basket PU Foam Sound Absorption<\/span><\/h4>\n<p><span style=\"font-family: arial, helvetica, sans-serif;\">Thanks to its effective sound absorption ability, egg foam sound absorption is widely used in:<\/span><\/p>\n<p><span style=\"font-family: arial, helvetica, sans-serif;\">Recording studios, filming rooms, studios.<\/span><br \/>\n<span style=\"font-family: arial, helvetica, sans-serif;\">Entertainment music rooms, karaoke bars.<\/span><br \/>\n<span style=\"font-family: arial, helvetica, sans-serif;\">Family singing rooms, livestream spaces.<\/span><br \/>\n<span style=\"font-family: arial, helvetica, sans-serif;\">In addition, the product is also used for interior decoration, combined with other soundproofing materials, creating aesthetic and highly effective sound absorption walls.<\/span><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-2856 size-full aligncenter\" src=\"https:\/\/nanoflex.com.vn\/wp-content\/uploads\/2024\/12\/O1CN010vEPX32GCR4Y63WDz_2214935928979-0-cib.jpg\" alt=\"Ti\u00eau \u00c2m PU Foam D\u1ea1ng S\u1ecdt Tr\u1ee9ng\u00a0\" width=\"800\" height=\"800\" srcset=\"https:\/\/nanoflex.com.vn\/wp-content\/uploads\/2024\/12\/O1CN010vEPX32GCR4Y63WDz_2214935928979-0-cib.jpg 800w, https:\/\/nanoflex.com.vn\/wp-content\/uploads\/2024\/12\/O1CN010vEPX32GCR4Y63WDz_2214935928979-0-cib-300x300.jpg 300w, https:\/\/nanoflex.com.vn\/wp-content\/uploads\/2024\/12\/O1CN010vEPX32GCR4Y63WDz_2214935928979-0-cib-150x150.jpg 150w, https:\/\/nanoflex.com.vn\/wp-content\/uploads\/2024\/12\/O1CN010vEPX32GCR4Y63WDz_2214935928979-0-cib-768x768.jpg 768w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/p>\n<h3 style=\"text-align: center;\"><span style=\"font-family: arial, helvetica, sans-serif;\">Rubber egg foam<\/span><\/h3>\n<p><span style=\"font-family: arial, helvetica, sans-serif;\">Rubber egg foam, also known as rubber egg foam, is a new product line on the market, produced from NBR rubber. With a closed cell structure, low thermal conductivity (0.037 W\/mK), high density (250 &#8211; 300 kg\/m\u00b3), this is an ideal solution for projects with strict requirements on sound insulation, sound absorption, anti-vibration and heat insulation.<\/span><\/p>\n<h4><span style=\"font-family: arial, helvetica, sans-serif;\">Outstanding advantages of rubber egg foam<\/span><\/h4>\n<p><span style=\"font-family: arial, helvetica, sans-serif;\"><strong>Easy to construct: <\/strong>Egg-shaped surface design (chicken egg) similar to foam sound-absorbing foam. Can be easily cut, trimmed and fixed with glue or screws to walls, ceilings, partitions.<\/span><\/p>\n<p><span style=\"font-family: arial, helvetica, sans-serif;\"><strong>Anti-vibration and shock absorption ability: <\/strong>Thanks to the high elasticity of NBR rubber, the product effectively reduces vibration, especially in large capacity machine rooms.<\/span><\/p>\n<p><span style=\"font-family: arial, helvetica, sans-serif;\"><strong>Moisture and microbiological resistance: <\/strong>The cold heat-insulating structure helps the product have extremely low moisture absorption, limiting mold and microorganisms, protecting the health of users and machines.<\/span><\/p>\n<p><span style=\"font-family: arial, helvetica, sans-serif;\"><strong>Excellent sound absorption and sound diffusion: <\/strong>The round spherical surface with honeycomb structure provides a large sound absorption area, increasing the efficiency of sound dissipation and absorption from all directions.<\/span><\/p>\n<p><span style=\"font-family: arial, helvetica, sans-serif;\"><strong>Safe fireproof: <\/strong>The product is mixed with fireproof materials, meeting Class B standards, helping to minimize the risk of fire and explosion and limit the spread when an incident occurs.<\/span><\/p>\n<p><span style=\"font-family: arial, helvetica, sans-serif;\">Disadvantages of rubber egg foam<\/span><br \/>\n<span style=\"font-family: arial, helvetica, sans-serif;\">The price is higher than that of conventional egg foam or sound-absorbing spike foam.<\/span><\/p>\n<p><span style=\"font-family: arial, helvetica, sans-serif;\">More suitable for projects requiring high standards of sound insulation, anti-vibration, and fire resistance, such as large-capacity machine rooms, conference rooms, multi-purpose gyms<\/span><\/p>\n<h4><span style=\"font-family: arial, helvetica, sans-serif;\">Disadvantages of rubber egg foam<\/span><\/h4>\n<p><span style=\"font-family: arial, helvetica, sans-serif;\">The price is higher than that of conventional egg foam or sound-absorbing spike foam.<\/span><\/p>\n<p><span style=\"font-family: arial, helvetica, sans-serif;\">More suitable for projects requiring high standards of soundproofing, anti-vibration, and fireproofing, such as large-capacity machine rooms, conference rooms, multi-purpose gyms.<\/span><\/p>\n<h4><span style=\"font-family: arial, helvetica, sans-serif;\">Applications of rubber egg foam<\/span><\/h4>\n<p><span style=\"font-family: arial, helvetica, sans-serif;\"><strong>In industry: <\/strong>Soundproofing large-capacity machine rooms, vacuum cleaners, washing machines; anti-collision of ships and boats.<\/span><\/p>\n<p><span style=\"font-family: arial, helvetica, sans-serif;\"><strong>In traffic: <\/strong>Soundproofing control rooms, car cabins.<\/span><\/p>\n<p><span style=\"font-family: arial, helvetica, sans-serif;\"><strong>In the health field: <\/strong>Used as cushions, sofa cushions.<\/span><\/p>\n<p><span style=\"font-family: arial, helvetica, sans-serif;\"><strong>In commercial buildings: <\/strong>Soundproofing floors, floors, walls, recording studios, bars, dance floors.<\/span><\/p>\n<h4><span style=\"font-family: arial, helvetica, sans-serif;\">Other applications:<\/span><\/h4>\n<p><span style=\"font-family: arial, helvetica, sans-serif;\">Insulating machinery expansion joints, anti-collision of products.<\/span><\/p>\n<p><span style=\"font-family: arial, helvetica, sans-serif;\">With outstanding performance in sound insulation, sound absorption, vibration resistance and fire resistance, rubber egg foam is not only an ideal solution for projects requiring high technical requirements but also opens up a new direction in optimizing modern living and working spaces.<\/span><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-2833 aligncenter\" src=\"https:\/\/nanoflex.com.vn\/wp-content\/uploads\/2024\/07\/tiem-am-xop-trung-co-keo-4-1.jpg\" alt=\"Ti\u00eau \u00c2m PU Foam D\u1ea1ng S\u1ecdt Tr\u1ee9ng\u00a0\" width=\"750\" height=\"750\" srcset=\"https:\/\/nanoflex.com.vn\/wp-content\/uploads\/2024\/07\/tiem-am-xop-trung-co-keo-4-1.jpg 750w, https:\/\/nanoflex.com.vn\/wp-content\/uploads\/2024\/07\/tiem-am-xop-trung-co-keo-4-1-300x300.jpg 300w, https:\/\/nanoflex.com.vn\/wp-content\/uploads\/2024\/07\/tiem-am-xop-trung-co-keo-4-1-150x150.jpg 150w\" sizes=\"auto, (max-width: 750px) 100vw, 750px\" \/><\/p>\n<h4><span style=\"font-family: arial, helvetica, sans-serif;\">General comparison:<\/span><\/h4>\n<table style=\"width: 96.5217%; height: 150px;\" data-sourcepos=\"36:1-42:127\">\n<tbody>\n<tr style=\"height: 25px;\" data-sourcepos=\"36:1-36:106\">\n<th style=\"height: 25px;\" data-sourcepos=\"36:1-36:11\"><span style=\"font-family: arial, helvetica, sans-serif;\">Features<\/span><\/th>\n<th style=\"height: 25px;\" data-sourcepos=\"36:13-36:39\"><span style=\"font-family: arial, helvetica, sans-serif;\">Pyramid PU foam sound absorption<\/span><\/th>\n<th style=\"height: 25px;\" data-sourcepos=\"36:41-36:72\"><span style=\"font-family: arial, helvetica, sans-serif;\">Egg PU foam<\/span><\/th>\n<th style=\"height: 25px;\" data-sourcepos=\"36:74-36:104\"><span style=\"font-family: arial, helvetica, sans-serif;\">Egg shaped foam rubber sound absorption<\/span><\/th>\n<\/tr>\n<tr style=\"height: 25px;\" data-sourcepos=\"38:1-38:56\">\n<td style=\"height: 25px;\" data-sourcepos=\"38:1-38:11\"><span style=\"font-family: arial, helvetica, sans-serif;\">Shape<\/span><\/td>\n<td style=\"height: 25px;\" data-sourcepos=\"38:13-38:26\"><span style=\"font-family: arial, helvetica, sans-serif;\">Pyramid<\/span><\/td>\n<td style=\"height: 25px;\" data-sourcepos=\"38:28-38:40\"><span style=\"font-family: arial, helvetica, sans-serif;\">Egg shaped foam<\/span><\/td>\n<td style=\"height: 25px;\" data-sourcepos=\"38:42-38:54\"><span style=\"font-family: arial, helvetica, sans-serif;\">Egg shaped foam<\/span><\/td>\n<\/tr>\n<tr style=\"height: 25px;\" data-sourcepos=\"39:1-39:64\">\n<td style=\"height: 25px;\" data-sourcepos=\"39:1-39:11\"><span style=\"font-family: arial, helvetica, sans-serif;\">Material<\/span><\/td>\n<td style=\"height: 25px;\" data-sourcepos=\"39:13-39:30\"><span style=\"font-family: arial, helvetica, sans-serif;\">Polyurethane foam<\/span><\/td>\n<td style=\"height: 25px;\" data-sourcepos=\"39:32-39:49\"><span style=\"font-family: arial, helvetica, sans-serif;\">PE Foam<\/span><\/td>\n<td style=\"height: 25px;\" data-sourcepos=\"39:51-39:62\"><span style=\"font-family: arial, helvetica, sans-serif;\"><span style=\"font-family: arial, helvetica, sans-serif;\">Nbr rubber<\/span><\/span><\/td>\n<\/tr>\n<tr style=\"height: 25px;\" data-sourcepos=\"40:1-40:85\">\n<td style=\"height: 25px;\" data-sourcepos=\"40:1-40:21\"><span style=\"font-family: arial, helvetica, sans-serif;\">Sound absorption efficiency<\/span><\/td>\n<td style=\"height: 25px;\" data-sourcepos=\"40:23-40:49\"><span style=\"font-family: arial, helvetica, sans-serif;\"> 500Hz<\/span><\/td>\n<td style=\"height: 25px;\" data-sourcepos=\"40:51-40:77\"><span style=\"font-family: arial, helvetica, sans-serif;\">80Hz &#8211; 1000Hz<\/span><\/td>\n<td style=\"height: 25px;\" data-sourcepos=\"40:79-40:83\"><span style=\"font-family: arial, helvetica, sans-serif;\">Good<\/span><\/td>\n<\/tr>\n<tr style=\"height: 25px;\" data-sourcepos=\"41:1-41:109\">\n<td style=\"height: 25px;\" data-sourcepos=\"41:1-41:10\"><span style=\"font-family: arial, helvetica, sans-serif;\">Application<\/span><\/td>\n<td style=\"height: 25px;\" data-sourcepos=\"41:12-41:56\"><span style=\"font-family: arial, helvetica, sans-serif;\">Studio, karaoke room, cinema&#8230;<\/span><\/td>\n<td style=\"height: 25px;\" data-sourcepos=\"41:58-41:77\"><span style=\"font-family: arial, helvetica, sans-serif;\">Studio, karaoke room, cinema&#8230;<\/span><\/td>\n<td style=\"height: 25px;\" data-sourcepos=\"41:79-41:107\"><span style=\"font-family: arial, helvetica, sans-serif;\">Soundproof, anti-vibration,&#8230;<\/span><\/td>\n<\/tr>\n<tr style=\"height: 25px;\" data-sourcepos=\"42:1-42:127\">\n<td style=\"height: 25px;\" data-sourcepos=\"42:1-42:11\"><span style=\"font-family: arial, helvetica, sans-serif;\">Differences<\/span><\/td>\n<td style=\"height: 25px;\" data-sourcepos=\"42:13-42:61\"><span style=\"font-family: arial, helvetica, sans-serif;\">Unique shape, good echo reduction<\/span><\/td>\n<td style=\"height: 25px;\" data-sourcepos=\"42:63-42:96\"><span style=\"font-family: arial, helvetica, sans-serif;\">Unique shape, good echo reduction<\/span><\/td>\n<td style=\"height: 25px;\" data-sourcepos=\"42:98-42:125\"><span style=\"font-family: arial, helvetica, sans-serif;\">High durability, good heat resistance<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2 style=\"text-align: center;\">Contact<\/h2>\n<p style=\"text-align: center;\"><span class=\"text\">DETI CO., LTD<\/span><\/p>\n<p style=\"text-align: center;\"><span class=\"text\">Add Factory: Km 16+500 Thang Long Highway, Yen Son IZ, Quoc Oai Dist, Ha Noi city.<\/span><\/p>\n<p style=\"text-align: center;\"><span class=\"text\">Office: Shophouse B5-20 Vinhomes Gardenia Ham Nghi, Nam Tu Liem District, Ha Noi city.<\/span><\/p>\n<p style=\"text-align: center;\"><span class=\"text\">Add Email:\u00a0<\/span><a class=\"text-is-email\" href=\"mailto:sales@nanoflex.com.vn\" target=\"_blank\" rel=\"noopener\" data-z-element-type=\"email\">sales@nanoflex.com.vn<\/a><\/p>\n<p style=\"text-align: center;\">Phone: CEO: Mr. Nguyen Xuan Tai \u2013 0913.554.030<\/p>\n<p style=\"text-align: center;\">Sales: Ms. Tran Phuong Thao \u2013 0904 698 379<\/p>\n<p style=\"text-align: center;\">Sales: Ms. Nguyen Thi Phuong Thao \u2013 0936 382 469<\/p>\n<p style=\"text-align: center;\">Website:\u00a0<a href=\"https:\/\/prodetech.vn\/\">prodetech.vn<\/a>;\u00a0<a href=\"https:\/\/beeflex.com.vn\/\">beeflex.com.vn<\/a>;\u00a0<a href=\"https:\/\/nanoflex.com.vn\/\">nanoflex.com.vn<\/a>;\u00a0<a href=\"https:\/\/atata.com.vn\/\">atata.com.vn<\/a>;\u00a0<a href=\"https:\/\/microflex.com.vn\/\">microflex.com.vn<\/a>\u00a0;<a href=\"https:\/\/3wtape.vn\/\">\u00a03wtape.vn<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Among the current sound absorption solutions, PU Pyramid sound absorption foam, PU egg sheet crate sound absorption foam and rubber foam egg shape sound absorption are three commonly used materials thanks to their effective sound absorption ability and diverse applications. Each type has its own unique characteristics in terms of structure, performance and purpose of [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":2862,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[12],"tags":[567,560,561,562,563,564,565,566],"class_list":["post-2864","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news","tag-rubber-egg-foam","tag-distinguish-between-tower-shaped-pu-foam-sound-absorption","tag-pu-foam-sound-absorption","tag-egg-shaped-pu-foam-sound-absorption","tag-pu-egg-sheet","tag-pu-pyramid-sound-absorption","tag-distinguish-between-pu-pyramid-sound-absorption","tag-pu-egg-sheet-sound-absorption-and-egg-shaped-rubber-foam-sound-absorption"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v20.4 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Distinguish between PU Pyramid sound absorption, PU egg sheet sound absorption and egg-shaped rubber foam sound absorption - Nanoflex High Quality Insulation<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/nanoflex.com.vn\/en\/distinguish-between-pu-pyramid-sound-absorption-pu-egg-sheet-sound-absorption-and-egg-shaped-rubber-foam-sound-absorption\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Distinguish between PU Pyramid sound absorption, PU egg sheet sound absorption and egg-shaped rubber foam sound absorption - Nanoflex High Quality Insulation\" \/>\n<meta property=\"og:description\" content=\"Among the current sound absorption solutions, PU Pyramid sound absorption foam, PU egg sheet crate sound absorption foam and rubber foam egg shape sound absorption are three commonly used materials thanks to their effective sound absorption ability and diverse applications. 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