{"product_id":"sunlu-500g-refill-petg-filament-1-75mm-4-pack-bright-neon-set","title":"SUNLU 500g Refill PETG Filament 1.75mm 4 Pack - Bright Neon Set","description":"\u003cp\u003eIn this review the SUNLU 500g Refill PETG Filament 1.75mm is evaluated as a budgetminded option for makers who already own reusable spools. The bottom line: this fourcolor pack delivers consistent color accuracy and strong, durable prints when mounted properly on a compatible SUNLU or Bambu Lab reusable spool. It is best for users who want PETG toughness and bright neon colors without buying new spools each time, but it requires an empty compatible spool before you can print.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eRefill system:\u003c\/strong\u003e Designed to be loaded onto SUNLU or Bambu Lab reusable spools so you save cost and waste by reusing existing hardware.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePETG blend:\u003c\/strong\u003e Combines PETG and ABS characteristics to give higher toughness and impact resistance for durable functional parts.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh impact strength:\u003c\/strong\u003e Prints resist bumps and minor drops, making the filament a good choice for functional prototypes and enduse parts.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSmooth printing:\u003c\/strong\u003e Engineered to reduce stringing and clogging for more consistent extrusion and cleaner surface finish when dialed in.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVacuum packaging:\u003c\/strong\u003e Each refill spool arrives sealed in airtight vacuum packaging to keep the filament dry until you load it.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEconomy pack:\u003c\/strong\u003e Four 0.5 kg refills in vibrant sunny orange, yellow, green and lavender purple cut material cost when you reuse spools.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWho It's For\u003c\/h2\u003e\n\u003cp\u003eThis package targets hobbyists, small workshop owners and educators who already use SUNLU or Bambu Lab reusable spools and want to reduce perprint cost while keeping a selection of bright colors on hand. It's especially suited to users printing functional parts that need extra toughness and impact resistance.\u003c\/p\u003e\n\u003cp\u003eIt is not ideal for someone who expects immediate plugandplay on a brand new sealed spool; the refill must be installed on a compatible empty spool before it can be used. Users who require extremely low stringing without profile tuning may need to experiment with the recommended temperature and speed ranges.\u003c\/p\u003e\n\u003ch2\u003ePros \u0026amp; Cons\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003ePros\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eGood filament and print quality with accurate, vivid colors that include a bright UV-reactive neon hue.\u003c\/li\u003e\n\u003cli\u003eDurable PETG blend offers enhanced toughness and high impact resistance for functional parts.\u003c\/li\u003e\n\u003cli\u003eVacuum sealed packaging preserves filament quality and reduces moisture issues out of the box.\u003c\/li\u003e\n\u003cli\u003eEconomy pricing when you reuse compatible spools reduces ongoing material cost.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eCannot be used directly; requires a SUNLU or Bambu Lab reusable spool or a printed adapter for most printers.\u003c\/li\u003e\n\u003cli\u003eSome users report mixed results with adhesion and stringing, so slicing and temperature tuning may be needed.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eSUNLU\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaterial\u003c\/td\u003e\n\u003ctd\u003ePETG refill filament (PETG\/ABS blend characteristics)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDiameter\u003c\/td\u003e\n\u003ctd\u003e1.75mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSpool weight\u003c\/td\u003e\n\u003ctd\u003e0.5kg per refill\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePack\u003c\/td\u003e\n\u003ctd\u003e4 pack (Sunny Orange, Yellow, Green, Lavender Purple)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRecommended nozzle temp\u003c\/td\u003e\n\u003ctd\u003e240-260C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRecommended bed temp\u003c\/td\u003e\n\u003ctd\u003e60-70C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch2\u003eOur Verdict\u003c\/h2\u003e\n\u003cp\u003eThe SUNLU 500g Refill PETG 1.75mm 4 pack is a practical value buy for makers who already use reusable spools and want bright, durable PETG material without extra spool cost. It offers solid print quality and toughness when mounted and tuned correctly, making it good value for workshops focused on functional prints and colorful prototypes.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eCan I use this straight from the box?\u003c\/strong\u003e\u003cbr\u003eAnswer. No, these refills must be installed on a compatible empty reusable spool from SUNLU or Bambu Lab before printing.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat settings work best?\u003c\/strong\u003e\u003cbr\u003eAnswer. SUNLU recommends 240-260C nozzle, 60-70C bed and speeds between 50-200mm\/s; expect to tune for your specific printer and model.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWill these colors be durable?\u003c\/strong\u003e\u003cbr\u003eAnswer. Yes, PETG is known for enhanced toughness and impact resistance, so printed parts should withstand bumps and regular use when printed correctly.\u003c\/p\u003e","brand":"SUNLU","offers":[{"title":"Default Title","offer_id":48649455993051,"sku":"B0FG7S9BN2","price":36.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/81jVhLIoFEL._AC_SL1500.jpg?v=1778734996","url":"https:\/\/gearmusthave.com\/products\/sunlu-500g-refill-petg-filament-1-75mm-4-pack-bright-neon-set","provider":"GearMustHave","version":"1.0","type":"link"}