{"product_id":"0-8mm-2-1-heat-shrink-tubing-fine-wire-insulation-sleeve","title":"0.8mm 2:1 Heat Shrink Tubing – Fine Wire Insulation Sleeve","description":"\u003cp\u003e \u003c\/p\u003e\n\u003cdiv class=\"hdiy-desc\"\u003e\n\u003cdiv class=\"hdiy-overview\"\u003e\n\u003ch2\u003e0.8mm Heat Shrink Tubing — Precise Wire Insulation for Fine Gauge Electronics\u003c\/h2\u003e\n\u003cp\u003eWorking with thin signal wires, PCB solder joints, or micro connectors means standard heat shrink tubing is simply too bulky. Oversized sleeves bunch up, slip off, and leave connections looking messy — or worse, leave them exposed. This 0.8mm heat shrink tubing is built for electronics hobbyists, PCB assemblers, RC builders, and anyone who works with fine-gauge wiring where a clean, tight insulation sleeve actually matters.\u003c\/p\u003e\n\u003cp\u003eEach roll is made from polyolefin with a 2:1 shrink ratio — the pre-shrink inner diameter of 0.8mm (≈1\/32\") reduces to approximately 0.4mm (≈1\/64\") after heat is applied. Available in lengths of 1M (≈39\"), 5M (≈197\"), 10M (≈394\"), 20M (≈787\"), 30M (≈1181\"), and 50M (≈1969\", Black only), and in seven colors — White, Red, Green, Blue, Transparent, Yellow, and Black — for color-coded wire identification.\u003c\/p\u003e\n\u003cp\u003eIdeal for insulating PCB wire leads and solder joints, protecting fine-gauge wiring in RC aircraft and drone builds, organizing signal cables in electronics prototyping, and covering micro connector pins in automotive sensor harnesses where space is tight.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"hdiy-compat\"\u003e\n\u003cspan class=\"hdiy-compat-icon\"\u003e🔌\u003c\/span\u003e \u003cstrong\u003eCompatibility:\u003c\/strong\u003e Designed for very fine wire gauges, typically 28–32 AWG. Pre-shrink inner diameter is 0.8mm (≈1\/32\"). Verify your wire's outer diameter before ordering — this tubing is not suitable for standard 18–22 AWG wiring.\u003c\/div\u003e\n\u003cdiv class=\"hdiy-note\"\u003e\n\u003cspan class=\"hdiy-note-icon\"\u003e⚠️\u003c\/span\u003e \u003cstrong\u003eNote:\u003c\/strong\u003e Due to the very small diameter, a heat gun with a concentrator nozzle or a hot air rework station is strongly recommended for even shrinkage. Open flames may cause scorching on tubing this fine.\u003c\/div\u003e\n\u003ch2\u003e✅ Key Features of These 0.8mm Heat Shrink Tubes\u003c\/h2\u003e\n\u003cul class=\"hdiy-features\"\u003e\n\u003cli\u003e\n\u003cspan class=\"hdiy-icon\"\u003e🔬\u003c\/span\u003e\u003cspan\u003e\u003cstrong\u003eUltra-Fine 0.8mm Diameter\u003c\/strong\u003e — Sized for 28–32 AWG wire gauges, this tubing fits where standard heat shrink can't, making it ideal for PCB wire insulation, micro connector pins, and fine-gauge hobby wiring.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan class=\"hdiy-icon\"\u003e🔥\u003c\/span\u003e\u003cspan\u003e\u003cstrong\u003e2:1 Shrink Ratio\u003c\/strong\u003e — Shrinks from 0.8mm down to approximately 0.4mm, conforming tightly around thin conductors and solder joints for a gap-free, professional-looking finish.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan class=\"hdiy-icon\"\u003e🎨\u003c\/span\u003e\u003cspan\u003e\u003cstrong\u003e7 Color Options\u003c\/strong\u003e — White, Red, Green, Blue, Transparent, Yellow, and Black allow color-coded wire identification — a standard practice in electronics assembly that speeds up debugging and inspection.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan class=\"hdiy-icon\"\u003e✂️\u003c\/span\u003e\u003cspan\u003e\u003cstrong\u003eCut-to-Length Rolls\u003c\/strong\u003e — Available from 1M up to 50M so you can cut exactly what each connection needs. Larger rolls offer better per-meter value for production runs or ongoing workshop use.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan class=\"hdiy-icon\"\u003e🌡️\u003c\/span\u003e\u003cspan\u003e\u003cstrong\u003eLow Activation Temperature\u003c\/strong\u003e — Begins shrinking at approximately 90°C (194°F), compatible with low-setting heat guns and hot air rework stations without risking damage to nearby PCB components.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan class=\"hdiy-icon\"\u003e⚡\u003c\/span\u003e\u003cspan\u003e\u003cstrong\u003eElectrical Insulation Barrier\u003c\/strong\u003e — Polyolefin construction provides a consistent dielectric layer over solder joints and wire splices, reducing short-circuit risk in low-voltage electronics and signal wiring applications.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e📐 Technical Specifications — 0.8mm Heat Shrink Tubing\u003c\/h2\u003e\n\u003cdiv class=\"hdiy-table-wrap\"\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eProduct Type\u003c\/th\u003e\n\u003ctd\u003eHeat Shrink Tubing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eInner Diameter (Pre-Shrink)\u003c\/th\u003e\n\u003ctd\u003e0.8mm (≈1\/32\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eInner Diameter (Post-Shrink)\u003c\/th\u003e\n\u003ctd\u003eApproximately 0.4mm (≈1\/64\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eShrink Ratio\u003c\/th\u003e\n\u003ctd\u003e2:1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMaterial\u003c\/th\u003e\n\u003ctd\u003ePolyolefin\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eAvailable Colors\u003c\/th\u003e\n\u003ctd\u003eWhite, Red, Green, Blue, Transparent, Yellow, Black\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eAvailable Lengths\u003c\/th\u003e\n\u003ctd\u003e1M (≈39\"), 5M (≈197\"), 10M (≈394\"), 20M (≈787\"), 30M (≈1181\"), 50M (≈1969\", Black only)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eActivation Temperature\u003c\/th\u003e\n\u003ctd\u003eTypically 90–120°C (194–248°F)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eRecommended Tool\u003c\/th\u003e\n\u003ctd\u003eHeat gun with concentrator nozzle or hot air rework station\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eTypical Wire Gauge Fit\u003c\/th\u003e\n\u003ctd\u003e28–32 AWG (verify wire OD before ordering)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eApplication\u003c\/th\u003e\n\u003ctd\u003ePCB assembly, hobby electronics, RC wiring, micro connector insulation\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eWaterproof\u003c\/th\u003e\n\u003ctd\u003eContact us to confirm for your specific application\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"hdiy-faq\"\u003e\n\u003ch2\u003e❓ Frequently Asked Questions\u003c\/h2\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhat wire gauge does 0.8mm heat shrink tubing fit?\u003c\/summary\u003e\n\u003cdiv class=\"hdiy-faq-body\"\u003e\n\u003cp\u003e0.8mm heat shrink tubing (pre-shrink inner diameter) is designed for very fine wire gauges, typically in the \u003cstrong\u003e28–32 AWG range\u003c\/strong\u003e. After heat is applied, the 2:1 shrink ratio reduces the inner diameter to approximately 0.4mm, creating a snug fit around the conductor. Always measure your wire's outer diameter before ordering — if your wire OD is close to or larger than 0.8mm, size up to a larger tube.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhat does the 2:1 shrink ratio mean for 0.8mm tubing?\u003c\/summary\u003e\n\u003cdiv class=\"hdiy-faq-body\"\u003e\n\u003cp\u003eA 2:1 ratio means the tubing shrinks to approximately \u003cstrong\u003ehalf its original inner diameter\u003c\/strong\u003e when heat is applied. This 0.8mm tube shrinks down to roughly 0.4mm (≈1\/64\"), conforming tightly around fine wire leads, PCB pins, or micro connectors. Once shrunk, the tubing does not return to its original size, so always cut a piece slightly longer than the area you need to cover.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eCan I use this tubing outdoors or in humid environments?\u003c\/summary\u003e\n\u003cdiv class=\"hdiy-faq-body\"\u003e\n\u003cp\u003eThis polyolefin heat shrink tubing generally provides good resistance to moisture and humidity, making it suitable for \u003cstrong\u003elight outdoor and indoor electronics applications\u003c\/strong\u003e. For fully waterproof or submersed installations (e.g., marine or underground wiring), we recommend using adhesive-lined heat shrink tubing instead, and contacting us to confirm suitability for your specific use case.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eHow strong is the insulation — what voltage can it handle?\u003c\/summary\u003e\n\u003cdiv class=\"hdiy-faq-body\"\u003e\n\u003cp\u003eThis tubing is designed for \u003cstrong\u003elow-voltage DC applications\u003c\/strong\u003e typically found in hobby electronics, PCB work, and small signal wiring. It is generally suitable for circuits operating at standard logic and battery voltages (3.3V, 5V, 12V). For higher voltage or mains AC applications, contact us to confirm suitability before use.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eHow do I choose between 1M, 5M, 10M, 20M, 30M, and 50M lengths?\u003c\/summary\u003e\n\u003cdiv class=\"hdiy-faq-body\"\u003e\n\u003cp\u003eFor a \u003cstrong\u003esingle repair or small PCB project\u003c\/strong\u003e, 1 meter (≈39\") is generally sufficient. For ongoing hobby builds or workshop stock, \u003cstrong\u003e5M (≈197\")\u003c\/strong\u003e or \u003cstrong\u003e10M (≈394\")\u003c\/strong\u003e offers better value. For production runs or bulk wiring jobs, \u003cstrong\u003e20M (≈787\")\u003c\/strong\u003e, \u003cstrong\u003e30M (≈1181\")\u003c\/strong\u003e, or \u003cstrong\u003e50M (≈1969\", Black only)\u003c\/strong\u003e provides the best per-meter cost. Many electronics hobbyists keep a 10M roll of each color on hand for quick access.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eDoes the color affect the tubing's electrical or thermal properties?\u003c\/summary\u003e\n\u003cdiv class=\"hdiy-faq-body\"\u003e\n\u003cp\u003eNo — all color variants share the \u003cstrong\u003esame 2:1 shrink ratio and electrical insulation properties\u003c\/strong\u003e. Color is used purely for wire identification and organization. Using different colors for different signal lines or voltage rails (e.g., red for power, black for ground, blue for signal) is a standard practice in electronics assembly and makes troubleshooting significantly faster.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhat tool do I need to shrink this tubing without damaging it?\u003c\/summary\u003e\n\u003cdiv class=\"hdiy-faq-body\"\u003e\n\u003cp\u003eA \u003cstrong\u003eheat gun with a concentrator nozzle\u003c\/strong\u003e set to a low or medium setting is the recommended tool for even, controlled shrinkage. A \u003cstrong\u003ehot air rework station\u003c\/strong\u003e gives the most precise control for PCB work. This tubing typically activates at around 90°C (194°F). Avoid open flames — at 0.8mm diameter, the tubing is susceptible to scorching or uneven shrinkage from direct flame exposure.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"hdiy-cta\"\u003e🛒 Select your \u003cstrong\u003ecolor and length\u003c\/strong\u003e above, then add to cart — ships from our US warehouse.\u003c\/div\u003e\n\u003c\/div\u003e","brand":"HomeDIYer","offers":[{"title":"White \/ 1M","offer_id":52330645291282,"sku":"FCB3021x1","price":1.55,"currency_code":"USD","in_stock":true},{"title":"White \/ 5M","offer_id":52330645324050,"sku":"FCB3021x5","price":1.8,"currency_code":"USD","in_stock":true},{"title":"White \/ 10M","offer_id":52330645356818,"sku":"FCB3021x10","price":2.11,"currency_code":"USD","in_stock":true},{"title":"White \/ 20M","offer_id":52330645389586,"sku":"FCB3021x20","price":2.87,"currency_code":"USD","in_stock":true},{"title":"White \/ 30M","offer_id":52330645422354,"sku":"FCB3021x30","price":3.96,"currency_code":"USD","in_stock":true},{"title":"Red \/ 1M","offer_id":52330645455122,"sku":"FCB3022x1","price":1.55,"currency_code":"USD","in_stock":true},{"title":"Red \/ 5M","offer_id":52330645487890,"sku":"FCB3022x5","price":1.8,"currency_code":"USD","in_stock":true},{"title":"Red \/ 10M","offer_id":52330645520658,"sku":"FCB3022x10","price":2.11,"currency_code":"USD","in_stock":true},{"title":"Red \/ 20M","offer_id":52330645553426,"sku":"FCB3022x20","price":2.87,"currency_code":"USD","in_stock":true},{"title":"Red \/ 30M","offer_id":52330645586194,"sku":"FCB3022x30","price":3.96,"currency_code":"USD","in_stock":true},{"title":"Green \/ 1M","offer_id":52330645618962,"sku":"FCB3023x1","price":1.55,"currency_code":"USD","in_stock":true},{"title":"Green \/ 5M","offer_id":52330645651730,"sku":"FCB3023x5","price":1.8,"currency_code":"USD","in_stock":true},{"title":"Green \/ 10M","offer_id":52330645684498,"sku":"FCB3023x10","price":2.11,"currency_code":"USD","in_stock":true},{"title":"Green \/ 20M","offer_id":52330645717266,"sku":"FCB3023x20","price":2.87,"currency_code":"USD","in_stock":true},{"title":"Green \/ 30M","offer_id":52330645750034,"sku":"FCB3023x30","price":3.96,"currency_code":"USD","in_stock":true},{"title":"Blue \/ 1M","offer_id":52330645782802,"sku":"FCB3024x1","price":1.55,"currency_code":"USD","in_stock":true},{"title":"Blue \/ 5M","offer_id":52330645815570,"sku":"FCB3024x5","price":1.8,"currency_code":"USD","in_stock":true},{"title":"Blue \/ 10M","offer_id":52330645848338,"sku":"FCB3024x10","price":2.11,"currency_code":"USD","in_stock":true},{"title":"Blue \/ 20M","offer_id":52330645881106,"sku":"FCB3024x20","price":2.87,"currency_code":"USD","in_stock":true},{"title":"Blue \/ 30M","offer_id":52330645913874,"sku":"FCB3024x30","price":3.96,"currency_code":"USD","in_stock":true},{"title":"Transparent \/ 1M","offer_id":52330645946642,"sku":"FCB3025x1","price":1.55,"currency_code":"USD","in_stock":true},{"title":"Transparent \/ 5M","offer_id":52330645979410,"sku":"FCB3025x5","price":1.8,"currency_code":"USD","in_stock":true},{"title":"Transparent \/ 10M","offer_id":52330646012178,"sku":"FCB3025x10","price":2.11,"currency_code":"USD","in_stock":true},{"title":"Transparent \/ 20M","offer_id":52330646044946,"sku":"FCB3025x20","price":2.87,"currency_code":"USD","in_stock":true},{"title":"Transparent \/ 30M","offer_id":52330646077714,"sku":"FCB3025x30","price":3.96,"currency_code":"USD","in_stock":true},{"title":"Yellow \/ 1M","offer_id":52330646110482,"sku":"FCB3026x1","price":1.55,"currency_code":"USD","in_stock":true},{"title":"Yellow \/ 5M","offer_id":52330646143250,"sku":"FCB3026x5","price":1.8,"currency_code":"USD","in_stock":true},{"title":"Yellow \/ 10M","offer_id":52330646176018,"sku":"FCB3026x10","price":2.11,"currency_code":"USD","in_stock":true},{"title":"Yellow \/ 20M","offer_id":52330646208786,"sku":"FCB3026x20","price":2.87,"currency_code":"USD","in_stock":true},{"title":"Yellow \/ 30M","offer_id":52330646241554,"sku":"FCB3026x30","price":3.96,"currency_code":"USD","in_stock":true},{"title":"Black \/ 1M","offer_id":52330646274322,"sku":"FCB3027x1","price":1.55,"currency_code":"USD","in_stock":true},{"title":"Black \/ 5M","offer_id":52330646307090,"sku":"FCB3027x5","price":1.77,"currency_code":"USD","in_stock":true},{"title":"Black \/ 10M","offer_id":52330646339858,"sku":"FCB3027x10","price":2.03,"currency_code":"USD","in_stock":true},{"title":"Black \/ 20M","offer_id":52330646372626,"sku":"FCB3027x20","price":2.71,"currency_code":"USD","in_stock":true},{"title":"Black \/ 50M","offer_id":52330646405394,"sku":"FCB3027x50","price":5.74,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0884\/8936\/1682\/files\/Picture3of7_681c9aa1-bae9-453f-a088-fc4ec96a3c93.jpg?v=1780924520","url":"https:\/\/homediyer.com\/de\/products\/0-8mm-2-1-heat-shrink-tubing-fine-wire-insulation-sleeve","provider":"HomeDIYer","version":"1.0","type":"link"}