{"product_id":"reprapper-polypropylene-pp-filament-1-75mm-1kg-semi-flexible-tough","title":"Reprapper Polypropylene PP Filament 1.75mm 1kg - Semi-Flexible Tough","description":"\u003cp\u003eIn this review of the Reprapper Polypropylene PP Filament, the bottom line is simple: this spool is intended for makers and small-scale prototyping teams who need a durable, lightweight material for functional parts. The biggest reason to buy is its blend of toughness and low density, which suits parts that must flex without cracking. Our review found the filament prints cleanly when used with the included build sheet and careful settings, and it rewards those who need chemical resistance and a smooth surface on finished parts.\u003c\/p\u003e\n\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n \u003cli\u003e\n\u003cstrong\u003eExceptional toughness:\u003c\/strong\u003e The polypropylene formulation yields high tensile strength so parts like handles and lockable containers resist impact while retaining flexibility.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eChemical resistance:\u003c\/strong\u003e The material stands up to common chemicals better than many PLA blends, making it suitable for functional applications that see light exposure to solvents or cleaners.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eLightweight construction:\u003c\/strong\u003e Low density helps produce lighter prints that are useful for prototypes where weight is important, such as aerospace or automotive mockups.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eIncludes PP buildsheet:\u003c\/strong\u003e Printing is easier when the supplied build sheet is used, improving first-layer adhesion for a material that otherwise can warp on large parts.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eCareful spooling and inspection:\u003c\/strong\u003e The spool is mechanically wound and manually checked to reduce tangles and extrusion interruptions during long prints.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eWho It's For\u003c\/h2\u003e\n\u003cp\u003eThis filament is best for hobbyists, engineers, and small shops that need semi-flexible, ultra-tough parts and are willing to use a dedicated build sheet and adjust printer settings. It works well for functional prototypes, clips, housings, and containers where strength and low weight matter.\u003c\/p\u003e\n\u003cp\u003eIt is less suited to casual users expecting plug-and-play behavior on any bed surface or to those who need perfectly rigid, high-temperature materials. Users without a suitable build surface or who cannot control warping on very large parts should consider other filaments.\u003c\/p\u003e\n\n\u003ch2\u003ePros \u0026amp; Cons\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003ePros\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n \u003cli\u003eHigh durability and flexibility make it a reliable choice for functional parts.\u003c\/li\u003e\n \u003cli\u003eLow density produces lighter prints useful for weight-sensitive prototypes.\u003c\/li\u003e\n \u003cli\u003eSupplied build sheet and careful spooling reduce adhesion and tangling problems when used properly.\u003c\/li\u003e\n \u003cli\u003eGood surface finish and color consistency when printed correctly.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n \u003cli\u003eRequires the special PP build sheet and can still warp on big parts without a heated environment.\u003c\/li\u003e\n \u003cli\u003eSome users report mixed quality on brittleness and issues like stringing if settings are not tuned.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n \u003ctr\u003e\n\u003ctd\u003eMaterial\u003c\/td\u003e\n\u003ctd\u003ePolypropylene (PP)\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\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e2.2lb (1kg)\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eTolerance \/ Layer\u003c\/td\u003e\n\u003ctd\u003e0.03mm (layer detail)\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eColor\u003c\/td\u003e\n\u003ctd\u003eWhite (example shown)\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eExtras\u003c\/td\u003e\n\u003ctd\u003e5pcs PP build sheet included\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eOur Verdict\u003c\/h2\u003e\n\u003cp\u003eThe Reprapper Polypropylene PP Filament is a practical choice for users who need a semi-flexible, ultra-tough material and who will use the included build sheet and tune printer settings. It offers good value for functional prototypes and lightweight parts, though it asks for a bit more setup than standard PLA to avoid warping and stringing.\u003c\/p\u003e\n\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eDo I need a heated bed?\u003c\/strong\u003e\u003cbr\u003eThe filament can be printed without a heated bed but large parts tend to warp; a heated environment helps stability.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs the build sheet required?\u003c\/strong\u003e\u003cbr\u003eUsing the supplied PP build sheet is recommended for reliable first-layer adhesion and to reduce lifting during the print.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWill it clog my nozzle?\u003c\/strong\u003e\u003cbr\u003eProperly spooled and inspected filament reduces clog risk, but users should tune extrusion settings to minimize stringing and avoid nozzle issues.\u003c\/p\u003e","brand":"RepRapper","offers":[{"title":"Default Title","offer_id":48248093114587,"sku":"B09VZ154Q4","price":36.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/61pM9Ke6l2L._SL1500.jpg?v=1770922848","url":"https:\/\/gearmusthave.com\/products\/reprapper-polypropylene-pp-filament-1-75mm-1kg-semi-flexible-tough","provider":"GearMustHave","version":"1.0","type":"link"}