{"product_id":"janlaugh-alcohol-resistant-laboratory-markers-10-pack-dual-head-pens","title":"Janlaugh Alcohol Resistant Laboratory Markers 10 Pack - Dual Head Pens","description":"\u003cp\u003eIn this review the Janlaugh 10 Pack Alcohol Resistant Laboratory Markers is presented as a practical choice for lab, industrial and clinical work where markings must survive harsh solvents and extreme cold. The set is aimed at professionals who need reliable, long-lasting labels on tubes, glassware and storage bags; the single biggest reason to buy is the ink's resistance to common lab solvents and temperatures down to -80C, which keeps handwriting legible through typical workflows. The dual ended design also makes it easy to switch between fine and broader marks without changing tools.\u003c\/p\u003e\n\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n \u003cli\u003e\n\u003cstrong\u003eAlcohol resistant ink:\u003c\/strong\u003e With high resistance to ethanol and isopropyl alcohol, the ink maintains clear reading after solvent exposure so markings remain usable during routine cleaning or processing.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eDual ended tips:\u003c\/strong\u003e The double ended pen offers a 0.5mm fine point and a 1.0mm marker tip, allowing precise labeling on small tubes and bolder marks on storage bags without changing pens.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eExtreme temperature tolerance:\u003c\/strong\u003e Marks remain legible in low temperature environments down to -80C\/-112F, making these pens suitable for freezer storage and cryogenic handling.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eBroad chemical resistance:\u003c\/strong\u003e The ink withstands DMSO, acetonitrile, bleach, peroxide and detergents, which helps preserve labels through many laboratory processes.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eMulti-surface use:\u003c\/strong\u003e Designed for glass, plastic centrifuge tubes, petri dishes and freezing tubes, the pens deliver durable, long term markings across common lab containers.\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003ePractical color set:\u003c\/strong\u003e Ten pens in three colors (6 black, 2 red, 2 blue) let users organize and color-code samples for faster identification.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eWho It's For\u003c\/h2\u003e\n\u003cp\u003eThe Janlaugh marker set is best for laboratory technicians, researchers and clinical staff who regularly label vials, tubes and plates and need markings that survive solvent washes, autoclaving and freezer storage. It is also useful in industrial settings where exposure to cleaning agents or occasional oven or incubator use is expected.\u003c\/p\u003e\n\u003cp\u003eUsers who require archival, fade-proof ink for legal documents or outdoor signage should look elsewhere; these pens are formulated for laboratory containers and solvent resistance rather than UV or long-term outdoor weatherproofing.\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\u003eGood chemical tolerance keeps labels readable after exposure to common lab solvents.\u003c\/li\u003e\n \u003cli\u003eDual tips provide flexibility for both fine and bold writing tasks in one pen.\u003c\/li\u003e\n \u003cli\u003eWorks reliably at very low temperatures, down to -80C, for freezer and cryogenic use.\u003c\/li\u003e\n \u003cli\u003eSupplied in a practical mix of colors and quantities for organization and long use.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n \u003cli\u003eInk requires drying time before handling to avoid smudging, which may slow some workflows.\u003c\/li\u003e\n \u003cli\u003eNot specifically marketed for long-term outdoor UV exposure or archival paper permanence.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n \u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eJanlaugh\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003ePack quantity\u003c\/td\u003e\n\u003ctd\u003e10 pens (6 black, 2 red, 2 blue)\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eTip sizes\u003c\/td\u003e\n\u003ctd\u003e0.5mm fine point and 1.0mm marker tip\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eChemical resistance\u003c\/td\u003e\n\u003ctd\u003eWithstands ethanol, isopropyl alcohol, DMSO, acetonitrile, bleach, peroxide\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eTemperature tolerance\u003c\/td\u003e\n\u003ctd\u003eOperable and legible to -80C \/ -112F\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eIntended surfaces\u003c\/td\u003e\n\u003ctd\u003eGlass, plastics, centrifuge tubes, freezing tubes, petri dishes, storage bags\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eOur Verdict\u003c\/h2\u003e\n\u003cp\u003eThe Janlaugh 10 Pack is a sensible value for labs that need solvent-resistant, freezer-safe markings and the convenience of dual tips. For routine lab labeling and sample organization it delivers durable performance and useful color options, but users should allow ink to dry and not expect outdoor UV-proof permanence. Overall it is a practical, cost-effective option for bench and freezer work.\u003c\/p\u003e\n\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eAre these markers safe for freezer and cryogenic storage?\u003c\/strong\u003e\u003cbr\u003eYes, the ink remains legible at low temperatures down to -80C, so they are suitable for freezer and cryogenic sample labeling.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDo the markings resist common lab solvents?\u003c\/strong\u003e\u003cbr\u003eYes, the ink is designed to withstand ethanol, isopropyl alcohol, DMSO and acetonitrile as well as cleaners like bleach and peroxide.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan I use both tips interchangeably during one session?\u003c\/strong\u003e\u003cbr\u003eYes, the double ended design provides a 0.5mm fine tip and a 1.0mm marker tip in the same pen for quick switching between fine and bold marks.\u003c\/p\u003e","brand":"Janlaugh","offers":[{"title":"Default Title","offer_id":48626711658715,"sku":"B0D8138W2M","price":36.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/81EnRDc1e1L._AC_SL1500.jpg?v=1778477381","url":"https:\/\/gearmusthave.com\/products\/janlaugh-alcohol-resistant-laboratory-markers-10-pack-dual-head-pens","provider":"GearMustHave","version":"1.0","type":"link"}