{"id":2938,"date":"2025-02-06T02:43:34","date_gmt":"2025-02-06T02:43:34","guid":{"rendered":"http:\/\/13.115.211.33\/?p=2938"},"modified":"2025-03-05T08:27:51","modified_gmt":"2025-03-05T08:27:51","slug":"resin-injection-molding-merits-demerits-materials","status":"publish","type":"post","link":"https:\/\/trytaiga.com\/en\/blog\/resin-injection-molding-merits-demerits-materials\/","title":{"rendered":"What is Resin Injection Molding? Explanation of advantages, disadvantages and types of resins used."},"content":{"rendered":"<p>Injection molding is a molding method often used in resin processing.<\/p>\n\n\n\n<p>However, there are many different molding methods and resins used in plastic injection molding.<\/p>\n\n\n\n<p>Be sure to take into account the advantages and disadvantages in order to select the molding method and resin that best suits the product and scene to be molded.<\/p>\n\n\n\n<p>This article provides an overview of resin injection molding, its advantages and disadvantages, and the types of resins used in injection molding.<\/p>\n\n\n\n<a href=\"https:\/\/trytaiga.com\/en\/\" class=\"cta-btn primary-btn\" data-gtm-id=\"unique-identifier\" style=\"margin-left: 40px;\"margin-top: -20px;>For more information about Taiga, click here.<\/a>\n\n\n\n<p><\/p>\n\n\n\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_75 ez-toc-wrap-left counter-flat ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">Table of Contents<\/p>\n<span class=\"ez-toc-title-toggle\"><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1' ><li class='ez-toc-page-1'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/trytaiga.com\/en\/blog\/resin-injection-molding-merits-demerits-materials\/#%E6%A8%B9%E8%84%82%E3%81%AE%E5%B0%84%E5%87%BA%E6%88%90%E5%BD%A2%E3%81%A8%E3%81%AF\" >What is Resin Injection Molding?<\/a><\/li><li class='ez-toc-page-1'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/trytaiga.com\/en\/blog\/resin-injection-molding-merits-demerits-materials\/#%E5%B0%84%E5%87%BA%E6%88%90%E5%BD%A2%E3%81%A7%E4%BD%BF%E3%82%8F%E3%82%8C%E3%82%8B%E6%A8%B9%E8%84%82%E3%81%AE%E7%A8%AE%E9%A1%9E\" >Types of resins used in injection molding<\/a><\/li><li class='ez-toc-page-1'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/trytaiga.com\/en\/blog\/resin-injection-molding-merits-demerits-materials\/#%E6%A8%B9%E8%84%82%E3%81%AE%E5%B0%84%E5%87%BA%E6%88%90%E5%BD%A2%E3%81%AE%E6%B5%81%E3%82%8C\" >Resin injection molding flow<\/a><\/li><li class='ez-toc-page-1'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/trytaiga.com\/en\/blog\/resin-injection-molding-merits-demerits-materials\/#%E3%80%90%E5%B0%84%E5%87%BA%E6%88%90%E5%BD%A2%E4%BB%A5%E5%A4%96%E3%80%91%E3%83%97%E3%83%A9%E3%82%B9%E3%83%81%E3%83%83%E3%82%AF%E6%88%90%E5%BD%A2%E6%B3%95%E3%81%AE%E7%A8%AE%E9%A1%9E\" >Other than injection molding] Types of plastic molding methods<\/a><\/li><li class='ez-toc-page-1'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/trytaiga.com\/en\/blog\/resin-injection-molding-merits-demerits-materials\/#%E3%81%BE%E3%81%A8%E3%82%81\" >Summary<\/a><\/li><\/ul><\/nav><\/div>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%E6%A8%B9%E8%84%82%E3%81%AE%E5%B0%84%E5%87%BA%E6%88%90%E5%BD%A2%E3%81%A8%E3%81%AF\"><\/span>What is Resin Injection Molding?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"576\" src=\"https:\/\/trytaiga.com\/wp-content\/uploads\/2025\/02\/resin-1024x576.jpg\" alt=\"\" class=\"wp-image-4344\" srcset=\"https:\/\/trytaiga.com\/wp-content\/uploads\/2025\/02\/resin-1024x576.jpg 1024w, https:\/\/trytaiga.com\/wp-content\/uploads\/2025\/02\/resin-300x169.jpg 300w, https:\/\/trytaiga.com\/wp-content\/uploads\/2025\/02\/resin-768x432.jpg 768w, https:\/\/trytaiga.com\/wp-content\/uploads\/2025\/02\/resin-1536x864.jpg 1536w, https:\/\/trytaiga.com\/wp-content\/uploads\/2025\/02\/resin.jpg 1920w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p>Resin injection molding is a method of making molded products by injecting heated, molten plastic resin into a mold, which is then cooled and hardened. It is also called insert molding or injection molding.<\/p>\n\n\n\n<p>The following types of resin injection molding are available<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td>Injection Molding Types<\/td><td>feature<\/td><\/tr><tr><td>Multi-material injection molding<\/td><td>Molding method that involves two injections, such as multi-color molding, multiple materials, etc.<\/td><\/tr><tr><td>In-mold molding<\/td><td>Method of inserting the printed film into the cavity and moving on to the injection process<\/td><\/tr><tr><td>Hot-and-cool molding<\/td><td>A method of cooling and releasing the mold immediately after injection and pressure retention in a high-temperature mold for complete transfer of cavity surfaces.<\/td><\/tr><tr><td>Injection compression molding<\/td><td>Molding method for transfer to cavity surfaces of CDs, light guide plates, etc.<\/td><\/tr><tr><td>Foam molding<\/td><td>Molding methods that use nitrogen gas or chemical foaming agents for burn prevention, etc.<\/td><\/tr><tr><td>Sandwich injection molding<\/td><td>Molding method in which the core and skin layers are injected in separate molding machines<\/td><\/tr><tr><td>Gas-assisted injection molding<\/td><td>Molding method that eliminates non-uniformity of pressure to prevent sink marks and deformation<\/td><\/tr><tr><td>In-mold assembly legislation<\/td><td>Secondary molding method after aligning joints to assembly positions with a large slide.<\/td><\/tr><tr><td>Injection molding of hollow products<\/td><td>In-mold assembly molding method for injection molding joints<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>Resin injection molding is used in the following manufacturing scenarios for parts and products<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Automotive (exterior components, engine compartment, driver's seat)<\/li>\n\n\n\n<li>Large and small household appliances<\/li>\n\n\n\n<li>business machine<\/li>\n\n\n\n<li>Information and Communication Equipment<\/li>\n\n\n\n<li>Optical instruments and lenses<\/li>\n\n\n\n<li>Housing &amp; Construction<\/li>\n\n\n\n<li>Containers &amp; Packaging<\/li>\n\n\n\n<li>Sports &amp; Leisure<\/li>\n\n\n\n<li>Stationery &amp; Toys<\/li>\n\n\n\n<li>medical care<\/li>\n\n\n\n<li>aircraft<\/li>\n\n\n\n<li>Boats &amp; Vessels<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Advantages of Injection Molding<\/h3>\n\n\n\n<p>Resin injection molding offers the following advantages<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>A certain amount of complex shapes and fine products can be manufactured by fabricating molds<\/li>\n\n\n\n<li>Wide range of plastic resin materials can be used according to application and shape<\/li>\n\n\n\n<li>Generally, defect rates are lower than other construction methods.<\/li>\n\n\n\n<li>Capable of handling from lot production to mass production<\/li>\n\n\n\n<li>Cost-effective for mass production<\/li>\n\n\n\n<li>Can handle small to large products as long as the injection molding machine is compatible.<\/li>\n\n\n\n<li>Less or no post-processing of molded products such as drilling and deburring<\/li>\n\n\n\n<li>Easily automated, leading to reduced labor costs and increased productivity<\/li>\n<\/ul>\n\n\n\n<p>This molding method is used in many situations because it can create complex shapes using a variety of resins and is also suitable for mass production.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Disadvantages of Injection Molding<\/h3>\n\n\n\n<p>The disadvantages of resin injection molding are as follows<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>High cost of mold fabrication<\/li>\n\n\n\n<li>Design constraints.<\/li>\n\n\n\n<li>Waste of materials due to molding of non-product parts<\/li>\n\n\n\n<li>Molding defects such as burrs, sink marks, and weld lines may occur<\/li>\n\n\n\n<li>Large products require larger injection molding machines and higher tooling costs<\/li>\n<\/ul>\n\n\n\n<p>Injection molding requires the use of molds, so it is not suitable for low-volume production due to the cost of mold fabrication.<\/p>\n\n\n\n<p>It should also be noted that there are design restrictions due to the need to remove the molded product from the mold.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%E5%B0%84%E5%87%BA%E6%88%90%E5%BD%A2%E3%81%A7%E4%BD%BF%E3%82%8F%E3%82%8C%E3%82%8B%E6%A8%B9%E8%84%82%E3%81%AE%E7%A8%AE%E9%A1%9E\"><\/span>Types of resins used in injection molding<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"538\" src=\"https:\/\/trytaiga.com\/wp-content\/uploads\/2025\/01\/\u71b1\u786c\u5316\u6027\u6a39\u8102-1024x538.jpg\" alt=\"\" class=\"wp-image-3645\" srcset=\"https:\/\/trytaiga.com\/wp-content\/uploads\/2025\/01\/\u71b1\u786c\u5316\u6027\u6a39\u8102-1024x538.jpg 1024w, https:\/\/trytaiga.com\/wp-content\/uploads\/2025\/01\/\u71b1\u786c\u5316\u6027\u6a39\u8102-300x158.jpg 300w, https:\/\/trytaiga.com\/wp-content\/uploads\/2025\/01\/\u71b1\u786c\u5316\u6027\u6a39\u8102-768x403.jpg 768w, https:\/\/trytaiga.com\/wp-content\/uploads\/2025\/01\/\u71b1\u786c\u5316\u6027\u6a39\u8102.jpg 1200w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p>This section describes the main types of resins used in injection molding and their characteristics.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">thermosetting resin<\/h3>\n\n\n\n<p>Thermosetting resins are resins that cure when heated.<\/p>\n\n\n\n<p>It has a linear, three-dimensional polymer structure, and when heated, it softens and then hardens through a chemical reaction.&nbsp;<\/p>\n\n\n\n<p>Once heated and hardened, it will not dissolve even if reheated.<br>Therefore, it is used in parts and locations where heat resistance is required.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">thermoplastic resin<\/h3>\n\n\n\n<p>Thermoplastic resins are resins that soften when heated.<\/p>\n\n\n\n<p>It has linear polymers that soften when heated and solidify when cooled.<\/p>\n\n\n\n<p>It can be used repeatedly because it softens again when heated.<br>It is mainly used in household products such as buckets, cups, sealed containers, and many other products.<\/p>\n\n\n\n<p>Thermoplastics can be further classified into three types: commodity plastics, engineering plastics, and super engineering plastics.<\/p>\n\n\n\n<p>Let's take a closer look at each of these features below.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">General Purpose Plastics<\/h4>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"576\" src=\"https:\/\/trytaiga.com\/wp-content\/uploads\/2025\/02\/polyethylene-1024x576.jpg\" alt=\"\" class=\"wp-image-4345\" srcset=\"https:\/\/trytaiga.com\/wp-content\/uploads\/2025\/02\/polyethylene-1024x576.jpg 1024w, https:\/\/trytaiga.com\/wp-content\/uploads\/2025\/02\/polyethylene-300x169.jpg 300w, https:\/\/trytaiga.com\/wp-content\/uploads\/2025\/02\/polyethylene-768x432.jpg 768w, https:\/\/trytaiga.com\/wp-content\/uploads\/2025\/02\/polyethylene-1536x864.jpg 1536w, https:\/\/trytaiga.com\/wp-content\/uploads\/2025\/02\/polyethylene.jpg 1920w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p>Commodity plastics are thermoplastics with the following characteristics<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Heat deformation temperature less than 100\u00b0C<\/li>\n\n\n\n<li>Tensile strength less than 500kgf\/cm\u00b2.<\/li>\n\n\n\n<li>Impact resistance less than 5kgf.cm\/cm<\/li>\n<\/ul>\n\n\n\n<p>It is easy to process and inexpensive, making it suitable for mass production.<br>Commodity plastics account for about 80% of total plastic production and are used as materials for a wide range of products, including daily necessities, industrial products, and household goods.<\/p>\n\n\n\n<p>On the other hand, its performance in terms of heat resistance and mechanical strength is not very high.<\/p>\n\n\n\n<p>Typical commodity plastics include<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Polyethylene (PE)<\/li>\n\n\n\n<li>Polystyrene (PS)<\/li>\n\n\n\n<li>Acrylonitrile styrene resin (AS or SAN)<\/li>\n\n\n\n<li>Acrylonitrile butadiene styrene resin (ABS)<\/li>\n\n\n\n<li>Polypropylene (PP)<\/li>\n\n\n\n<li>Polyvinyl chloride resin (PVC)<\/li>\n\n\n\n<li>Methacrylic resin (PMMA)<\/li>\n\n\n\n<li>Polyethylene terephthalate (PET)<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\">engineering plastics<\/h4>\n\n\n\n<p>Engineering plastics (engineering plastics) are thermoplastics with the following characteristics<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Heat deformation temperature 100\u00b0C min.<\/li>\n\n\n\n<li>Tensile strength 500kgf\/cm\u00b2 min.<\/li>\n\n\n\n<li>Impact resistance 5kgf.cm\/cm or more<\/li>\n<\/ul>\n\n\n\n<p>It is characterized by superior mechanical strength and heat resistance compared to commodity plastics.<\/p>\n\n\n\n<p>Typical engineering plastics include<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Polyamide (PA)<\/li>\n\n\n\n<li>Polycarbonate (PC)<\/li>\n\n\n\n<li>Polyacetal (POM)<\/li>\n\n\n\n<li>Modified polyphenylene ether (m-PPE)<\/li>\n\n\n\n<li>Polypropylene terephthalate (PBT)<\/li>\n\n\n\n<li>GF reinforced polyethylene terephthalate (GE-PET)<\/li>\n\n\n\n<li>Ultra high molecular weight polyethylene (UHPE)<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\">super engineering plastic<\/h4>\n\n\n\n<p>Super engineering plastics are thermoplastics with long-term heat resistance of 150\u00b0C or higher.<\/p>\n\n\n\n<p>In particular, it surpasses engineering plastics in heat resistance and mechanical strength at high temperatures.<\/p>\n\n\n\n<p>Typical super engineering plastics include<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Polyphenylene sulfide (PPS)<\/li>\n\n\n\n<li>Polyarylate (PAR)<\/li>\n\n\n\n<li>Polysulfone (PSU)<\/li>\n\n\n\n<li>Polyethersulfone (PES)<\/li>\n\n\n\n<li>Polyetheretherketone (PEEK)<\/li>\n\n\n\n<li>Polyetherimide (PEI)<\/li>\n\n\n\n<li>Polyamide-imide (PAI)<\/li>\n\n\n\n<li>Liquid crystal polymer (LCP)<\/li>\n\n\n\n<li>Polyimide (PI)<\/li>\n\n\n\n<li>Polyarylate (PAR)<\/li>\n\n\n\n<li>Polysulfone (PSF)<\/li>\n\n\n\n<li>Polytetrafluoroethylene (PTFE)<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\">Other plastic resins<\/h4>\n\n\n\n<p>Other plastics include<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>fluoropolymer<\/li>\n\n\n\n<li>thermoplastic elastomer<\/li>\n\n\n\n<li>Polymethylpentene (PMP)<\/li>\n\n\n\n<li>Biodegradable plastics (bioplastics)<\/li>\n\n\n\n<li>fibre-based plastics<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%E6%A8%B9%E8%84%82%E3%81%AE%E5%B0%84%E5%87%BA%E6%88%90%E5%BD%A2%E3%81%AE%E6%B5%81%E3%82%8C\"><\/span>Resin injection molding flow<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Resin injection molding is performed as follows<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>Resin (pellets) is fed in and melted.<\/li>\n\n\n\n<li>Melted resin is poured into the mold.<\/li>\n\n\n\n<li>apply pressure to a person's high position<\/li>\n\n\n\n<li>Cool the inside of the metal and wait for the resin to harden.<\/li>\n\n\n\n<li>When the product has hardened sufficiently, remove the mold and take out the product.<\/li>\n<\/ol>\n\n\n\n<p>The specific flow of injection molding is also explained in \" \", so please refer to it as well.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%E3%80%90%E5%B0%84%E5%87%BA%E6%88%90%E5%BD%A2%E4%BB%A5%E5%A4%96%E3%80%91%E3%83%97%E3%83%A9%E3%82%B9%E3%83%81%E3%83%83%E3%82%AF%E6%88%90%E5%BD%A2%E6%B3%95%E3%81%AE%E7%A8%AE%E9%A1%9E\"><\/span>Other than injection molding] Types of plastic molding methods<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Molding methods other than injection molding of plastic resins are summarized below.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td>Molding Method<\/td><td>feature<\/td><\/tr><tr><td>Extrusion molding method<\/td><td>Molding process for long molded products<\/td><\/tr><tr><td>Blow molding method<\/td><td>Basic molding method for extruding and inflating hollow productsBasic molding method for bottled products<\/td><\/tr><tr><td>Vacuum forming method<\/td><td>Thermal processing and forming of sheet materials<\/td><\/tr><tr><td>Film forming method<\/td><td>Forms sheets and films using heating rolls and cooling rolls<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>Since the appropriate molding method differs depending on the characteristics of the resin and the molded product, the best method should be selected after consulting with the processor.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%E3%81%BE%E3%81%A8%E3%82%81\"><\/span>Summary<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Types of resin injection molding, advantages, disadvantages, and procedures are explained.<\/p>\n\n\n\n<p>Injection molding is the most common method of resin molding.<\/p>\n\n\n\n<p>If you are considering plastic injection molding, it is important to select a plastic material that is appropriate for the product you want to make and to choose a processor that can perform the molding with high technology.<\/p>\n\n\n\n<p>If you are considering manufacturing parts utilizing plastic injection molding, please contact us.<strong>Taiga.\"<\/strong>Taiga is a free service that allows you to consult with experienced contractors.<\/p>\n\n\n\n<p>We can efficiently proceed with the development of difficult or new parts, small-lot production, prototyping, and mass production while keeping costs low.<\/p>\n\n\n\n<a href=\"https:\/\/trytaiga.com\/en\/\" class=\"cta-btn primary-btn\" data-gtm-id=\"unique-identifier\" style=\"margin-left: 40px;\"margin-top: -20px;>For more information about Taiga, click here.<\/a>","protected":false},"excerpt":{"rendered":"<p>Injection molding is a molding method often used in resin processing. However, there are many molding methods for resin injection molding [...].<\/p>","protected":false},"author":1,"featured_media":5017,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[14],"tags":[23],"class_list":["post-2938","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-injection-molding","tag-23"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v25.5 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>\u6a39\u8102\u306e\u5c04\u51fa\u6210\u5f62\u3068\u306f\uff1f\u30e1\u30ea\u30c3\u30c8\u30fb\u30c7\u30e1\u30ea\u30c3\u30c8\u3084\u4f7f\u308f\u308c\u308b\u6a39\u8102\u306e\u7a2e\u985e\u306b\u3064\u3044\u3066\u89e3\u8aac - \u91d1\u5c5e3D\u30d7\u30ea\u30f3\u30c8\u30fb\u8a66\u4f5c\u30fb\u30ea\u30d0\u30fc\u30b9\u30a8\u30f3\u30b8\u30cb\u30a2\u30ea\u30f3\u30b0\u5bfe\u5fdc\uff5c\u53d7\u8a17\u88fd\u9020\u30b5\u30fc\u30d3\u30b9<\/title>\n<meta name=\"description\" content=\"\u6a39\u8102\u306e\u5c04\u51fa\u6210\u5f62\u306e\u6982\u8981\u3084\u30e1\u30ea\u30c3\u30c8\u30fb\u30c7\u30e1\u30ea\u30c3\u30c8\u3001\u5c04\u51fa\u6210\u5f62\u3067\u4f7f\u308f\u308c\u308b\u6a39\u8102\u306e\u7a2e\u985e\u3092\u89e3\u8aac\u3057\u307e\u3059\u3002\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/trytaiga.com\/en\/blog\/resin-injection-molding-merits-demerits-materials\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"\u6a39\u8102\u306e\u5c04\u51fa\u6210\u5f62\u3068\u306f\uff1f\u30e1\u30ea\u30c3\u30c8\u30fb\u30c7\u30e1\u30ea\u30c3\u30c8\u3084\u4f7f\u308f\u308c\u308b\u6a39\u8102\u306e\u7a2e\u985e\u306b\u3064\u3044\u3066\u89e3\u8aac - 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