{"product_id":"simpure-conical-centrifuge-tubes-50ml-pack-of-100-leak-proof-lab","title":"SimPure Conical Centrifuge Tubes 50mL Pack of 100 - Leak-Proof Lab","description":"\u003cp\u003eIn this review the SimPure Conical Centrifuge Tubes 50mL pack is evaluated as a workhorse consumable for small labs and serious hobbyists. The bottom line: these tubes are best for users who need reliable, graduated 50ml polypropylene tubes in bulk, with a single biggest reason to buy being the combination of leak-resistant screw caps and clear, accurate graduations that make routine sample handling simpler. The review covers construction, labeling, and practical use cases observed by purchasers and in hands-on testing.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh purity PP material:\u003c\/strong\u003e The polypropylene construction is chemically resistant and suitable for general biochemistry and molecular biology workflows.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLeak-proof screw caps:\u003c\/strong\u003e Longer length caps with sealing rings reduce the risk of spills during transport or mixing, which adds confidence when storing samples.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eClear graduations:\u003c\/strong\u003e Black 1mL increments with stated 2% accuracy make volume measurements straightforward for centrifugation and prep work.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWritable identification patch:\u003c\/strong\u003e A white write patch on each tube allows quick labeling and reduces mix-ups in busy workflows or freezer storage.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAutoclavable and freezable:\u003c\/strong\u003e Tubes withstand autoclaving at 121C and freezing down to -80C, supporting sterilization and long-term sample storage.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBulk pack:\u003c\/strong\u003e The 100-piece quantity suits labs that consume tubes regularly and want consistent supplies.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eWho It's For\u003c\/h2\u003e\u003cp\u003eThese 50mL conical tubes are aimed at research technicians, teaching labs, and anyone performing routine sample separation, storage, or centrifugation where disposable polypropylene tubes are acceptable. They are practical for molecular biology prep, biochemistry fractionation, and general lab use thanks to the autoclavable and low-temperature tolerance.\u003c\/p\u003e\u003cp\u003eUsers who need ultra-high-speed centrifugation limits beyond the stated maximum RCF, sterile certified for clinical implant use, or specialized features such as screw-thread adapters should look elsewhere; these tubes are general-purpose labware rather than clinical-grade single-use devices for regulated medical procedures.\u003c\/p\u003e\u003ch2\u003ePros \u0026amp; Cons\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003ePros\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eGood build quality and consistent dimensions make them reliable in routine centrifuges and storage.\u003c\/li\u003e\n\u003cli\u003eEffective screw caps with sealing rings minimize leakage during handling and freezing.\u003c\/li\u003e\n\u003cli\u003eReadable black graduations and a white write patch simplify measuring and labeling tasks.\u003c\/li\u003e\n\u003cli\u003eAutoclavable and freeze-compatible down to -80C expands usable workflows.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eDurability feedback is mixed for some heavy-duty uses, so they may not suit extreme mechanical strain repeatedly.\u003c\/li\u003e\n\u003cli\u003eNot intended for specialized clinical certification or ultra high-speed centrifugation beyond the listed RCF.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eCapacity\u003c\/td\u003e\n\u003ctd\u003e50 mL\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaterial\u003c\/td\u003e\n\u003ctd\u003eHigh purity polypropylene (PP)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePack size\u003c\/td\u003e\n\u003ctd\u003e100 tubes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGraduation\u003c\/td\u003e\n\u003ctd\u003eBlack 1 mL increments, accurate to ~2%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTemperature tolerance\u003c\/td\u003e\n\u003ctd\u003eAutoclavable at 121C; freezable to -80C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax RCF\u003c\/td\u003e\n\u003ctd\u003e9,400 (conical bottom)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSpecial features\u003c\/td\u003e\n\u003ctd\u003eLonger screw caps with sealing rings; white write patch\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch2\u003eOur Verdict\u003c\/h2\u003e\u003cp\u003eThe SimPure 50mL conical tubes are a sensible, cost-effective choice for labs and hobbyists who need bulk disposable tubes with reliable screw caps, clear graduations, and good temperature tolerance. They deliver solid value for routine centrifugation and storage tasks, though those needing specialized clinical certification or extremes of mechanical stress should consider alternate options.\u003c\/p\u003e\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eAre these tubes sterile out of the package?\u003c\/strong\u003e\u003cbr\u003eYes, the pack is supplied EO sterile and suitable for many lab workflows after unpacking.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCan these tubes be autoclaved and frozen?\u003c\/strong\u003e\u003cbr\u003eThey are rated autoclavable at 121C and freezable to -80C, making them suitable for sterilization and long-term storage.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eDo the caps prevent leakage during transport?\u003c\/strong\u003e\u003cbr\u003eThe longer screw caps include sealing rings designed to reduce leakage, and customers report good performance for routine transport and freezer storage.\u003c\/p\u003e","brand":"SimPure","offers":[{"title":"Default Title","offer_id":48178784108763,"sku":"B09FXY2CPH","price":52.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/71W2-CHtVQL._SL1500.jpg?v=1769618740","url":"https:\/\/gearmusthave.com\/products\/simpure-conical-centrifuge-tubes-50ml-pack-of-100-leak-proof-lab","provider":"GearMustHave","version":"1.0","type":"link"}