{"id":7677,"date":"2025-08-14T09:00:00","date_gmt":"2025-08-14T08:00:00","guid":{"rendered":"https:\/\/uplastech.com\/vacuum-forming-heater-types\/"},"modified":"2025-08-14T09:00:00","modified_gmt":"2025-08-14T08:00:00","slug":"vacuum-forming-heater-types","status":"publish","type":"post","link":"https:\/\/uplastech.com\/fr\/vacuum-forming-heater-types\/","title":{"rendered":"Vacuum Forming Heater Types: Ceramic, Quartz and Calrod Compared"},"content":{"rendered":"<style>\n.upl-blog{font-size:17px;line-height:1.78;color:#1f2937}\n.upl-blog p{margin:0 0 18px}\n.upl-blog h2{font-size:26px;line-height:1.3;color:#0b2b33;margin:46px 0 14px;font-weight:700;letter-spacing:-.015em}\n.upl-blog h3{font-size:19.5px;color:#0d3b47;margin:28px 0 10px;font-weight:700}\n.upl-blog ul,.upl-blog ol{margin:0 0 20px;padding-left:22px}\n.upl-blog li{margin:0 0 9px}\n.upl-blog figure{margin:0 0 34px}\n.upl-blog figure img{width:100%;height:auto;display:block;border-radius:10px}\n.upl-blog figcaption{font-size:13px;color:#6b7280;margin-top:10px;line-height:1.5}\n.upl-blog .toc{background:none;border:0;border-radius:0;padding:0;margin:0 0 34px}\n.upl-blog .toc .lwptoc{margin:0}\n.upl-blog .toc h4{margin:0 0 10px;font-size:13px;letter-spacing:.1em;text-transform:uppercase;color:#0d5563}\n.upl-blog .toc ol{margin:0;padding-left:18px;font-size:14.5px}\n.upl-blog .toc li{margin-bottom:6px}\n.upl-blog table{width:100%;border-collapse:collapse;font-size:14.5px;margin:0 0 10px}\n.upl-blog th{background:#0d3b47;color:#fff;text-align:left;padding:11px 13px;font-weight:600;font-size:13.5px;border:0}\n.upl-blog td{padding:11px 13px;border:0;border-bottom:1px solid #e8ebed;vertical-align:top}\n.upl-blog tbody tr:nth-child(even){background:#fafbfc}\n.upl-blog .tablecap{font-size:12.5px;color:#6b7280;margin:0 0 30px}\n.upl-blog .myth{background:#fff8ef;border:1px solid #f6ddbd;border-radius:8px;padding:16px 20px;margin:0 0 26px;font-size:15.5px}\n.upl-blog .myth b{color:#a85c10}\n.upl-blog .callout{background:#f2f8f9;border-radius:8px;padding:18px 22px;margin:0 0 26px;font-size:15.5px;border-left:3px solid #14707f}\n.upl-blog .faq h3{border-top:1px solid #eceff1;padding-top:22px;margin-top:0;font-size:18px}\n.upl-blog .faq h3:first-of-type{border-top:0;padding-top:0}\n.upl-blog .cta{background:linear-gradient(135deg,#0b2b33,#0d5563);color:#fff;border-radius:12px;padding:34px;margin:48px 0 30px}\n.upl-blog .cta h2,.upl-blog .cta .cta-h{color:#fff;margin:0 0 10px;font-size:24px;font-weight:700;line-height:1.3}\n.upl-blog .cta p{color:#c9dee3;margin:0 0 20px;font-size:16px}\n.upl-blog .btn{display:inline-block;background:#e07a1f;color:#fff;text-decoration:none;font-weight:700;padding:13px 26px;border-radius:8px;font-size:15.5px}\n.upl-blog .rel{border-top:1px solid #e8ebed;margin-top:40px;padding-top:26px}\n.upl-blog .rel h4{font-size:13px;letter-spacing:.1em;text-transform:uppercase;color:#6b7280;margin:0 0 14px}\n.upl-blog .rel ul{list-style:none;padding:0;margin:0}\n.upl-blog .rel li{padding:11px 0;border-bottom:1px dashed #e8ebed}\n.upl-blog .rel a{text-decoration:none;font-weight:600;font-size:15.5px}\n@media(max-width:640px){.upl-blog h2{font-size:22px}.upl-blog table{font-size:13px}.upl-blog .cta{padding:24px}}\n\/* \u5355\u7bc7\u9875\u9690\u85cf WhatsApp \u81ea\u52a8\u5c55\u5f00\u7684\u95ee\u5019\u5361\uff0c\u53ea\u4fdd\u7559\u5706\u5f62\u6c14\u6ce1\uff0c\u907f\u514d\u906e\u6321\u4fa7\u680f\u8be2\u76d8\u63d0\u4ea4\u6309\u94ae *\/\nbody.single-post .ht_ctc_chat_greetings_box{display:none !important}\n<\/style>\n<div class=\"upl-blog\">\n<figure>\n<img fetchpriority=\"high\" decoding=\"async\" src=\"https:\/\/uplastech.com\/wp-content\/uploads\/2026\/10\/vacuum-forming-heater-types.jpg\" alt=\"Chart comparing ceramic, quartz and calrod heater elements by wavelength, heat-up time and absorption in common thermoforming plastics\" width=\"1536\" height=\"909\"><figcaption>Heater choice is an absorption problem, not a power problem. The element that emits at the wavelength your plastic absorbs best heats it fastest with the least wasted energy.<\/figcaption><\/figure>\n<div class=\"toc\"><\/div>\n<h2 id=\"why\">Why heater type matters more than heater power<\/h2>\n<p>Two vacuum forming machines with identical power ratings can differ by 40% in cycle time and by a wide margin in sheet temperature uniformity. The difference is the element type, and it comes down to wavelength.<\/p>\n<p>Every hot surface radiates at a wavelength determined by its temperature, following Planck's law. Plastics absorb infrared strongly at certain wavelengths and weakly at others. If the element emits where the plastic absorbs, the energy goes into the sheet. If it emits elsewhere, the energy bounces off or passes through and heats the machine instead.<\/p>\n<div class=\"callout\">\n<p><strong>The practical version:<\/strong> ceramic elements run at 700\u2013900 \u00b0C and emit in the 3\u20135 \u00b5m band, which most thermoplastics absorb well. Quartz runs hotter (1,500\u20132,200 \u00b0C) and emits at 1.5\u20132.5 \u00b5m, which is absorbed by the surface but penetrates deeper into some materials. Calrod (tubular metal sheath) runs at 400\u2013600 \u00b0C and emits at 5\u20138 \u00b5m, which is well absorbed but slow to respond.<\/p>\n<\/div>\n<h2 id=\"types\">The three element families<\/h2>\n<table>\n<thead>\n<tr>\n<th>Type<\/th>\n<th>Element temperature<\/th>\n<th>Peak wavelength<\/th>\n<th>Heat-up time<\/th>\n<th>Response<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Ceramic (flat or hollow)<\/td>\n<td>700 \u2013 900 \u00b0C<\/td>\n<td>3 \u2013 5 \u00b5m<\/td>\n<td>3 \u2013 6 min<\/td>\n<td>Lenteur<\/td>\n<\/tr>\n<tr>\n<td>Quartz tube \/ halogen<\/td>\n<td>1,500 \u2013 2,200 \u00b0C<\/td>\n<td>1.5 \u2013 2.5 \u00b5m<\/td>\n<td>10 \u2013 60 s<\/td>\n<td>Rapide<\/td>\n<\/tr>\n<tr>\n<td>Calrod (tubular sheath)<\/td>\n<td>400 \u2013 600 \u00b0C<\/td>\n<td>5 \u2013 8 \u00b5m<\/td>\n<td>5 \u2013 10 min<\/td>\n<td>Very slow<\/td>\n<\/tr>\n<tr>\n<td>Ceramic with reflector<\/td>\n<td>700 \u2013 900 \u00b0C<\/td>\n<td>3 \u2013 5 \u00b5m, directed<\/td>\n<td>3 \u2013 6 min<\/td>\n<td>Lenteur<\/td>\n<\/tr>\n<tr>\n<td>Quartz with gold reflector<\/td>\n<td>1,500 \u2013 2,200 \u00b0C<\/td>\n<td>1.5 \u2013 2.5 \u00b5m, directed<\/td>\n<td>10 \u2013 60 s<\/td>\n<td>Rapide<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p class=\"tablecap\">Table 1 \u2014 The three element families. Response time is what separates them in production: a quartz array can follow a power change within seconds, a calrod array takes minutes.<\/p>\n<p>Response time matters because most forming cycles use zone control \u2014 different zones at different powers to compensate for edge losses. A slow element cannot hold a zone profile; it just averages. A fast element can, which is why quartz dominates on thin gauge and on any machine running multiple materials.<\/p>\n<h2 id=\"absorption\">Absorption: matching element to plastic<\/h2>\n<p>Plastics are not grey bodies. Their absorption varies strongly with wavelength, and the variation differs between materials.<\/p>\n<table>\n<thead>\n<tr>\n<th>Mat\u00e9riau<\/th>\n<th>Good absorption band<\/th>\n<th>Best element<\/th>\n<th>Notes<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>PS, HIPS<\/td>\n<td>3 \u2013 6 \u00b5m<\/td>\n<td>Ceramic<\/td>\n<td>Absorbs broadly; easy material<\/td>\n<\/tr>\n<tr>\n<td>ABS<\/td>\n<td>3 \u2013 6 \u00b5m<\/td>\n<td>Ceramic<\/td>\n<td>Similar to PS; watch for surface overheating<\/td>\n<\/tr>\n<tr>\n<td>PVC (rigid)<\/td>\n<td>3 \u2013 5 \u00b5m<\/td>\n<td>Ceramic<\/td>\n<td>Low thermal stability; surface scorch risk with quartz<\/td>\n<\/tr>\n<tr>\n<td>PE, PP<\/td>\n<td>3 \u2013 8 \u00b5m, weaker overall<\/td>\n<td>Ceramic or calrod<\/td>\n<td>Poor absorbers; need longer dwell or higher power<\/td>\n<\/tr>\n<tr>\n<td>PETG<\/td>\n<td>3 \u2013 6 \u00b5m<\/td>\n<td>Ceramic<\/td>\n<td>Sticky when hot; uniform heating matters<\/td>\n<\/tr>\n<tr>\n<td>PC<\/td>\n<td>2 \u2013 4 \u00b5m<\/td>\n<td>Quartz or ceramic<\/td>\n<td>High temperature; quartz penetrates and heats faster<\/td>\n<\/tr>\n<tr>\n<td>PMMA (acrylic)<\/td>\n<td>2 \u2013 4 \u00b5m<\/td>\n<td>Quartz<\/td>\n<td>Quartz penetrates; ceramic can scorch the surface<\/td>\n<\/tr>\n<tr>\n<td>Thick clear sheet (PC, PMMA)<\/td>\n<td>Needs penetration<\/td>\n<td>Quartz, both sides<\/td>\n<td>Surface-only heating leaves a cold core<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p class=\"tablecap\">Table 2 \u2014 Absorption bands and element choice. The clear, thick materials are where quartz earns its cost; the opaque commodity materials do fine on ceramic.<\/p>\n<p>The clear-sheet case is the one worth understanding. A 6 mm clear PC sheet heated by a ceramic element absorbs most of the energy in the first 0.5 mm. The surface reaches forming temperature while the core is still cold, so the sheet sags, the surface degrades, and the core is not formable. Quartz at 2 \u00b5m penetrates several millimetres, heating the sheet more evenly through its thickness.<\/p>\n<h2 id=\"zoning\">Zoning: where heater type really pays<\/h2>\n<p>Every sheet loses heat at its edges, through the clamp frame and by convection. A single-zone heater array produces a sheet that is hot in the middle and cold at the edges, which forms into a part with thin corners and a thick centre.<\/p>\n<table>\n<thead>\n<tr>\n<th>Zoning<\/th>\n<th>Contr\u00f4le<\/th>\n<th>Uniformity<\/th>\n<th>Meilleur pour<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Single zone<\/td>\n<td>One contactor<\/td>\n<td>Pauvre<\/td>\n<td>Small parts, thin gauge, forgiving material<\/td>\n<\/tr>\n<tr>\n<td>3-zone (centre \/ edge)<\/td>\n<td>Three power levels<\/td>\n<td>Mod\u00e9r\u00e9<\/td>\n<td>General purpose<\/td>\n<\/tr>\n<tr>\n<td>Grid zoning (6\u201312 zones)<\/td>\n<td>Individual SCR control<\/td>\n<td>Bon<\/td>\n<td>Large parts, technical materials<\/td>\n<\/tr>\n<tr>\n<td>Full matrix with closed loop<\/td>\n<td>Per-zone with sheet temperature feedback<\/td>\n<td>Excellent<\/td>\n<td>Heavy gauge, tight wall tolerance<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p class=\"tablecap\">Table 3 \u2014 Zoning levels. Grid zoning only works with fast elements; a calrod array cannot respond fast enough to hold a grid profile.<\/p>\n<p>Grid zoning with quartz elements is the combination that produces uniform sheet temperature on large parts. The controller runs the edge zones harder to compensate for losses, and because quartz responds in seconds, the correction actually arrives during the heating cycle rather than after it.<\/p>\n<h2 id=\"energy\">Energy and operating cost<\/h2>\n<table>\n<thead>\n<tr>\n<th>Facteur<\/th>\n<th>Ceramic<\/th>\n<th>Quartz<\/th>\n<th>Calrod<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Radiant efficiency to sheet<\/td>\n<td>60 \u2013 75%<\/td>\n<td>70 \u2013 85% with reflector<\/td>\n<td>50 \u2013 65%<\/td>\n<\/tr>\n<tr>\n<td>Idle heat loss<\/td>\n<td>Mod\u00e9r\u00e9<\/td>\n<td>Low (can switch off between cycles)<\/td>\n<td>High (long thermal mass)<\/td>\n<\/tr>\n<tr>\n<td>Element life<\/td>\n<td>3,000 \u2013 8,000 h<\/td>\n<td>2,000 \u2013 5,000 h<\/td>\n<td>8,000 \u2013 15,000 h<\/td>\n<\/tr>\n<tr>\n<td>Replacement cost<\/td>\n<td>Faible<\/td>\n<td>Moyen<\/td>\n<td>Faible<\/td>\n<\/tr>\n<tr>\n<td>Failure mode<\/td>\n<td>Crack, partial loss of a zone<\/td>\n<td>Tube darkening, then open circuit<\/td>\n<td>Sheath oxidation, then open circuit<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p class=\"tablecap\">Table 4 \u2014 Operating characteristics. Quartz has the best radiant efficiency and the shortest life; calrod has the longest life and the worst efficiency.<\/p>\n<p>The energy argument is often overstated. On a machine running continuously, the difference in radiant efficiency between ceramic and quartz translates to roughly 10\u201315% of the heating energy, which is a fraction of total machine power. The real gain from quartz is cycle time and uniformity, not the electricity bill.<\/p>\n<h2 id=\"choosing\">Choosing for a specific job<\/h2>\n<table>\n<thead>\n<tr>\n<th>Situation<\/th>\n<th>Recommandation<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Thin gauge (< 1.5 mm), commodity material<\/td>\n<td>Ceramic, 3-zone<\/td>\n<\/tr>\n<tr>\n<td>Thin gauge, fast cycles, multiple materials<\/td>\n<td>Quartz, grid zoning<\/td>\n<\/tr>\n<tr>\n<td>Thick gauge (> 4 mm), opaque<\/td>\n<td>Ceramic, both sides, long dwell<\/td>\n<\/tr>\n<tr>\n<td>Thick clear PC or acrylic<\/td>\n<td>Quartz, both sides, grid zoning<\/td>\n<\/tr>\n<tr>\n<td>PVC with tight colour control<\/td>\n<td>Ceramic; quartz risks surface scorch<\/td>\n<\/tr>\n<tr>\n<td>Very large parts (> 1.5 m)<\/td>\n<td>Quartz grid with closed-loop sheet temperature<\/td>\n<\/tr>\n<tr>\n<td>Low volume, many changeovers<\/td>\n<td>Quartz \u2014 fast heat-up means less warm-up waste<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p class=\"tablecap\">Table 5 \u2014 Element selection by job. The PVC line is the one where quartz is actively wrong, because surface scorch is a colour defect that cannot be corrected downstream.<\/p>\n<p>The changeover argument is underrated. A ceramic array takes 5 minutes to reach stable temperature and the same to cool; on a machine doing six changeovers a day that is an hour of lost production. A quartz array stabilises in under a minute. For a job shop, that alone can justify the shorter element life.<\/p>\n<h2 id=\"troubleshooting\">Heating faults and what they mean<\/h2>\n<table>\n<thead>\n<tr>\n<th>Symptom<\/th>\n<th>Cause<\/th>\n<th>Check<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Sheet hot in patches<\/td>\n<td>Failed element or a zone stuck on<\/td>\n<td>Element-by-element current draw<\/td>\n<\/tr>\n<tr>\n<td>Edges cold, centre hot<\/td>\n<td>No edge zoning, or edge zones underpowered<\/td>\n<td>Zone power settings and reflector condition<\/td>\n<\/tr>\n<tr>\n<td>Sheet sags before forming<\/td>\n<td>Overheating, or heating too slowly at high temperature<\/td>\n<td>Reduce power, shorten dwell, raise element distance<\/td>\n<\/tr>\n<tr>\n<td>Surface gloss loss<\/td>\n<td>Surface overheating, especially with quartz on PVC<\/td>\n<td>Increase element-to-sheet distance<\/td>\n<\/tr>\n<tr>\n<td>Long warm-up, unstable temperature<\/td>\n<td>Failing element or degraded reflector<\/td>\n<td>Reflector cleanliness; element resistance<\/td>\n<\/tr>\n<tr>\n<td>Part forms unevenly across the sheet<\/td>\n<td>Non-uniform heating, often from a cold draught<\/td>\n<td>Air movement around the machine; zone profile<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p class=\"tablecap\">Table 6 \u2014 Heating faults. Patchy heating is nearly always a failed element rather than a control problem, and it is worth checking element current before touching settings.<\/p>\n<p>Reflector condition is the most neglected item. A dirty or oxidised reflector loses 20\u201330% of its output within a year, and the loss is uneven, which produces the same symptom as a failing element. Cleaning or replacing reflectors is cheap and it restores both output and uniformity.<\/p>\n<div class=\"faq\">\n<h3>What is the difference between ceramic and quartz heaters?<\/h3>\n<p>Element temperature and therefore wavelength. Ceramic runs at 700\u2013900 \u00b0C and emits at 3\u20135 \u00b5m, which most plastics absorb well. Quartz runs at 1,500\u20132,200 \u00b0C and emits at 1.5\u20132.5 \u00b5m, which penetrates deeper into clear materials. Quartz responds in seconds, ceramic in minutes.<\/p>\n<h3>Which heater type is best for thick polycarbonate?<\/h3>\n<p>Quartz, on both sides. Thick clear PC needs energy that penetrates rather than being absorbed in the first half millimetre. A ceramic array heats the surface while the core stays cold, which causes sag and surface degradation before the sheet is formable.<\/p>\n<h3>Can I retrofit quartz elements to a ceramic machine?<\/h3>\n<p>Often yes, but the power control has to change. Quartz elements have different resistance and different thermal response, so the controller needs to be able to modulate them \u2014 usually SCR rather than contactors. The reflector geometry also has to be matched to the element shape.<\/p>\n<h3>Why is my sheet heating unevenly?<\/h3>\n<p>Usually a failed element, a dirty reflector, or missing edge zoning. Check element current draw one by one first, because a single open-circuit element produces a cold patch that looks exactly like a control fault. Then check reflector condition.<\/p>\n<h3>How far should the heaters be from the sheet?<\/h3>\n<p>Typically 80\u2013150 mm for ceramic and 100\u2013200 mm for quartz. Closer heats faster but increases the risk of surface overheating and patchiness. On thin gauge the distance is often increased to slow the surface heating relative to the core.<\/p>\n<h3>Do I need zoning on a small machine?<\/h3>\n<p>At least three zones \u2014 centre and two edges. Even a 600 mm wide machine has measurable edge loss, and without edge compensation the corners of the part will be thin. Full grid zoning is only worth it above about 1 m sheet width.<\/p>\n<h3>How long do heater elements last?<\/h3>\n<p>Ceramic 3,000\u20138,000 hours, quartz 2,000\u20135,000 hours, calrod 8,000\u201315,000 hours. Life depends heavily on how the machine is run: frequent on\/off cycling shortens quartz life, and running at maximum power shortens all of them.<\/p>\n<h3>Is infrared heating the only option?<\/h3>\n<p>For most thermoforming, yes. Convection ovens are used for some thick gauge and for twin-sheet forming, and they heat more evenly but far more slowly. Contact heating is used in some specialised processes but is not practical for general vacuum forming.<\/p>\n<\/div>\n<div class=\"cta\">\n<p class=\"cta-h\">Sheet heating unevenly, or cycle time too long?<\/p>\n<p>Tell us the material, gauge, part size and current cycle. We will recommend an element type and zoning layout, and tell you what sheet temperature uniformity is achievable on your part.<\/p>\n<p><a class=\"btn\" href=\"https:\/\/uplastech.com\/fr\/formage-sous-vide\/\">Talk to a thermoforming engineer<\/a>\n<\/div>\n<div class=\"rel\">\n<h4>Continue reading<\/h4>\n<ul>\n<li><a href=\"https:\/\/uplastech.com\/fr\/thermoforming-sheet-heating-temperature-window\/\">Sheet Heating in Thermoforming: The Temperature Window<\/a><\/li>\n<li><a href=\"https:\/\/uplastech.com\/fr\/thick-gauge-vs-thin-gauge-thermoforming\/\">Thick Gauge vs Thin Gauge Thermoforming: Process and Economics<\/a><\/li>\n<li><a href=\"https:\/\/uplastech.com\/fr\/vacuum-forming-wall-thickness\/\">Wall Thickness in Vacuum Forming: Why Corners Thin<\/a><\/li>\n<li><a href=\"https:\/\/uplastech.com\/fr\/vacuum-forming-mold-design\/\">Vacuum Forming Mold Design: Materials, Draft and Tool Life<\/a><\/li>\n<li><a href=\"https:\/\/uplastech.com\/fr\/pressure-forming-vs-vacuum-forming\/\">Pressure Forming vs Vacuum Forming: When the Extra Tooling Pays Off<\/a><\/li>\n<\/ul>\n<\/div>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>Heater type decides heat uniformity, warm-up time and power bill. A comparison across the three common element types and the zoning that makes them work.<\/p>","protected":false},"author":1,"featured_media":7670,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_seopress_titles_title":"Vacuum Forming Heater Types: Ceramic, Quartz and Calrod Comp","_seopress_titles_desc":"Heater type decides heat uniformity, warm-up time and power bill. A comparison across the three common element types and the zoning that makes them work.","_seopress_robots_index":"","_seopress_robots_follow":"","_seopress_robots_imageindex":"","_seopress_robots_snippet":"","_seopress_robots_primary_cat":"29","_seopress_robots_breadcrumbs":"","_seopress_robots_freeze_modified_date":"","_seopress_robots_custom_modified_date":"","_seopress_robots_canonical":"","_seopress_social_fb_title":"","_seopress_social_fb_desc":"","_seopress_social_fb_img":"","_seopress_social_fb_img_attachment_id":0,"_seopress_social_fb_img_width":0,"_seopress_social_fb_img_height":0,"_seopress_social_twitter_title":"","_seopress_social_twitter_desc":"","_seopress_social_twitter_img":"","_seopress_social_twitter_img_attachment_id":0,"_seopress_social_twitter_img_width":0,"_seopress_social_twitter_img_height":0,"_seopress_redirections_value":"","_seopress_redirections_enabled":"","_seopress_redirections_enabled_regex":"","_seopress_redirections_logged_status":"","_seopress_redirections_param":"","_seopress_redirections_type":0,"_seopress_analysis_target_kw":"vacuum forming heater types","footnotes":""},"categories":[29],"tags":[],"class_list":["post-7677","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-vacuum-forming"],"meta_box":{"post-to-quiz_to":[]},"_links":{"self":[{"href":"https:\/\/uplastech.com\/fr\/wp-json\/wp\/v2\/posts\/7677","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/uplastech.com\/fr\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/uplastech.com\/fr\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/uplastech.com\/fr\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/uplastech.com\/fr\/wp-json\/wp\/v2\/comments?post=7677"}],"version-history":[{"count":0,"href":"https:\/\/uplastech.com\/fr\/wp-json\/wp\/v2\/posts\/7677\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/uplastech.com\/fr\/wp-json\/wp\/v2\/media\/7670"}],"wp:attachment":[{"href":"https:\/\/uplastech.com\/fr\/wp-json\/wp\/v2\/media?parent=7677"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/uplastech.com\/fr\/wp-json\/wp\/v2\/categories?post=7677"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/uplastech.com\/fr\/wp-json\/wp\/v2\/tags?post=7677"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}