{"product_id":"kokuyo-research-lab-permanent-marker-pens","title":"Kokuyo Research Lab Permanent Marker Pens","description":"\u003ch2\u003eKokuyo Research Lab Permanent Marker Pens 2-Pack\u003c\/h2\u003e\u003cp\u003eDesigned for demanding scientific, clinical, and industrial environments, the Kokuyo Research Lab Permanent Marker Pens 2-Pack provides permanent, high-precision identification that withstands routine laboratory disinfection. Engineered and manufactured in Japan by Kokuyo, these specialized oil-based markers feature an advanced resin-bonded ink formulation that resists dissolution or smearing when exposed to alcohol, ethanol, and common sanitizing sprays. The durable 0.6mm fine bullet nib writes cleanly across challenging non-porous surfaces—including frosted glass slides, polypropylene microcentrifuge tubes, petri dishes, and cryovials—even in the presence of cold condensation or light moisture. Encased in a lightweight, chemical-resistant aluminum barrel, each two-pack contains one black and one red marker for crisp, legible sample color-coding.\u003c\/p\u003e\u003ch3\u003eKey Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eExceptional Alcohol \u0026amp; Ethanol Resistance:\u003c\/strong\u003e High-adhesion ink formula maintains sharp legibility even after direct contact with ethanol and laboratory cleaning solvents.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMoisture \u0026amp; Condensation Writing Capability:\u003c\/strong\u003e Adheres reliably to cold, frozen, or condensation-covered sample containers straight out of refrigerators or freezers.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurable 0.6mm Fine Bullet Nib:\u003c\/strong\u003e Reinforced fine tip delivers crisp, compact lettering that fits comfortably on small microtube caps and vial labels.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLightweight Aluminum Construction:\u003c\/strong\u003e Professional aluminum barrel offers chemical resilience, comfortable handling, and anti-roll cap design.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBlack \u0026amp; Red Dual-Color Pack:\u003c\/strong\u003e Includes one black (PM-R100D) and one red (PM-R100R) marker for efficient sample identification and experimental labeling.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Kokuyo (Japan)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeries:\u003c\/strong\u003e Research Lab Pen\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel:\u003c\/strong\u003e PM-R100DR (PM-R100D Black + PM-R100R Red)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLine Width:\u003c\/strong\u003e 0.6mm Fine Tip\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInk Type:\u003c\/strong\u003e Alcohol-resistant oil-based permanent ink\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBarrel Material:\u003c\/strong\u003e Aluminum\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDimensions:\u003c\/strong\u003e Ø11mm × 130mm | Weight: 9g per pen\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCountry of Origin:\u003c\/strong\u003e Japan\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eQ: Will ethanol wipes erase writing from this marker?\u003c\/strong\u003e\u003cbr\u003eA: No. The Kokuyo Research Lab Pen is specifically formulated to resist ethanol and alcohol disinfection, preventing accidental erasure during laboratory sanitization.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ: Can it write on cold microtubes taken directly from a freezer?\u003c\/strong\u003e\u003cbr\u003eA: Yes. The specialized ink formulation is designed to write reliably on chilled surfaces and containers with slight condensation.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ: What is your order cancellation and inquiry policy?\u003c\/strong\u003e\u003cbr\u003eA: Full refunds and order cancellations are supported anytime prior to shipping confirmation. Pre-sale technical consultations are not supported; inquiries are handled promptly post-order. Contact us anytime at szjyf@outlook.com for order assistance.\u003c\/p\u003e","brand":"Kokuyo","offers":[{"title":"Default Title","offer_id":68453424103458,"sku":"KOKUYO-MARKER-PMR100-2DR","price":20.25,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0902\/3045\/6354\/files\/PM-R100DR.jpg?v=1791864273","url":"https:\/\/www.xypen.com\/products\/kokuyo-research-lab-permanent-marker-pens","provider":"XYPen","version":"1.0","type":"link"}