Home Guides Pens KOKUYO Research Lab Pen: Alcohol-Resistant 0.6 mm Pen Brand: KOKUYO
KOKUYO Research Lab Pen: Alcohol-Resistant 0.6 mm Pen Compiled from 1 sources; we haven't tested this product ourselves yet. How we research
Quick answer The KOKUYO Research Lab Pen is a 0.6 mm oil-based ballpoint made for laboratories. KOKUYO says its ink resists alcohol so letters do not fade when alcohol touches them, and a special water-repellent ink writes on frozen or dewy surfaces. A hard thin tip fits small labels such as microtube lids. It comes in blue, black and red at 440 yen (about US$2.78) each.
The Research Lab Pen in blue, black and red (drawn in proportion). Original illustration made for this guide. © Stationery Times. Product facts Product KOKUYO Research Lab Pen, oil-based alcohol-resistant ink, fine 0.6 mm (blue, black, red) Brand KOKUYO Brand origin Japan Made in Not stated* Material Oil-based alcohol-resistant ink; hard fine tip Price range $ under $5 per pen (multi-packs divided by the count) Rate it ★ ★ ★ ★ ★ No ratings yet. Be the first to rate this product. Notes on these facts Made by KOKUYO Co., Ltd. (Osaka). Country of manufacture not stated: KOKUYO's Research Lab Pen series page gives no country of manufacture, so check the label on your copy. Price: example listing . How we test and disclose samples: How we test stationery . Price bands are typical US retail, checked October 2026. Conversions to US dollars are approximate, at October 2026 rates (US$1 = ¥158 = ₩1,330 = NT$32.5 = CN¥6.7 = SEK 9.9 = DKK 6.7 = ₺49.6 = C$1.41 = A$1.43 = CZK 21.7; €1 = US$1.12; £1 = US$1.32; CHF 1 = US$1.21). Key takeaways The ink is oil-based and alcohol-resistant, so writing should not fade when alcohol touches it, per KOKUYO. A special ink that does not mix easily with water lets it write on frozen or dewy surfaces. The tip is about 0.6 mm and made of a hard material, so it fits small surfaces such as microtube lids. It comes in blue, black and red at 440 yen (about US$2.78) each. KOKUYO's page gives no country of manufacture and no body dimensions. What is the KOKUYO Research Lab Pen?
It is a pen for laboratories, built so labels survive alcohol. KOKUYO describes it as an alcohol-resistant pen for research labs and opens its page with a familiar problem: letters that disappeared when alcohol touched them. It is a capped oil-based pen with a fine tip of about 0.6 mm.
What makes the ink different?
It is made to resist alcohol and water. KOKUYO says the ink has excellent alcohol resistance, so even if alcohol gets on the writing surface the letters do not fade easily. It also says the ink is smudge-resistant and quick-drying.
Can it write on frozen or wet surfaces?
Yes, according to KOKUYO. The page says a special ink that does not easily mix with water lets the pen write on frozen surfaces and on surfaces with condensation. We have not tested this.
How fine is the tip?
About 0.6 mm. KOKUYO says a hard tip material makes a thin shape so you can write on small surfaces, such as the lid of a microtube. By our arithmetic a 0.6 mm line is twice the 0.3 mm of the Zebra Mackee Care Ultra Fine and about half the 1 mm line of the Sharpie Fine Point .
Is it a ballpoint or a marker?
KOKUYO calls it an oil-based pen, so think of it as a ballpoint-style pen. The page lists oil-based, alcohol-resistant ink and a fine 0.6 mm point, and does not call it a marker.
What colors and price?
Blue, black and red at 440 yen each. KOKUYO lists the same price for all three: 440 yen (about US$2.78), in our $ band (under $5).
What did KOKUYO say about caring for it?
It is a lab tool with a short list of conditions. Beyond the ink claims, KOKUYO’s page is brief: a thin tip, three colors and one price. It gives no body size, weight or refill information, so we cannot say whether it is refillable or how it sits in the hand. Treat it as a disposable lab pen until KOKUYO says more.
How should you store it?
Cap on and lying down. KOKUYO’s care notes for the pen say not to store it upright and to keep the cap on, and to store it sideways.
Who is it for?
For lab and cold-storage labeling. The use cases KOKUYO names are small tubes, alcohol-wiped surfaces and frozen or dewy surfaces. For everyday permanent marking, a Zebra Hi-Mackee costs a quarter of the price by our arithmetic (165 yen against 440 yen).
How does it compare with other permanent markers?
It is a pen, not a marker. For markers see our best permanent markers roundup, and for pens that resist water see best waterproof pens and inks .
Where is it made, and what does it cost?
KOKUYO’s page doesn’t say. At 440 yen (about US$2.78) it is in our $ band (under $5).
Frequently asked questions What is it for? Writing on lab items where alcohol can wipe off ordinary ink, such as microtube lids, per KOKUYO.
How does the ink resist alcohol? KOKUYO says the ink has excellent alcohol resistance so letters do not fade easily if alcohol reaches them.
Can it write on frozen things? Yes. KOKUYO says its special ink does not mix easily with water, so it writes on frozen or dewy surfaces.
How fine is the line? About 0.6 mm.
Which colors are there? Blue, black and red.
How much is it? 440 yen each, about US$2.78.
Where is it made? KOKUYO's page does not state it.
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Slip & Seal Cap & Gold Nib Price range: $$$$Pentel R.S.V.P.: Fine vs Medium, Refills & Grip Price range: $Zebra F-301: Steel Barrel, Point Sizes & Refills Price range: $Sakura Gelly Roll: White Gel Pen Sizes & Moonlight Inks Price range: $Kaweco Sport: Pocket Size, Cartridges & Nib Sizes Price range: $$$LAMY 2000: Piston Filler, Hooded Nib & Makrolon Price range: $$$$Pilot Vanishing Point: Retractable Nib & Converter Price range: $$$$uni-ball One: Pigment Gel Ink, Sizes & Refills Price range: $uni-ball Signo 207: Fraud-Resistant Gel Pen Guide Price range: $Pentel Sign Pen: The 1963 Fiber-Tip Pen Explained Price range: $Platinum Preppy: The Slip & Seal Starter Fountain Pen Price range: $$Zebra Sarasa Clip: The Binder-Clip Gel Pen Explained Price range: $Pilot Precise V5: Liquid Ink, Needle Tip & V5 RT Price range: $Zebra Mildliner: Mild Colors, Twin Tips & Ink Price range: $Pilot Metropolitan: Nibs, Converters & Brass Body Price range: $$$uni-ball Jetstream RT: Hybrid Ink, Tip Sizes & Refills Price range: $Pentel EnerGel RTX: Liquid Gel Ink, Tips & Refills Price range: $Sharpie S-Gel Pen Sizes: 0.38–1.0 mm, Refills & Smear Claims Price range: $ARTISTRO Dual-Tip Acrylic Paint Markers: Tips and Sets Price range: $Caliart Alcohol Markers: 41-Color Chisel and Fine Set Price range: $Ohuhu Oahu: Chisel-and-Fine Alcohol Markers Price range: $Copic Ciao: 180 Colors, Round Body & Refills Explained Price range: $Prismacolor Premier Double-Ended Markers: Tips & Sets Price range: $Sharpie Clear View Highlighter: See-Through Chisel Tip Price range: $Asvine P100: Titanium Piston Pen With a #8 Nib Price range: $$$Asvine V800: Vacuum Filler With a Large #8 Nib Price range: $$$Best Dip Pens for Beginners: Nikko G, Zebra G & Holders Price range: $–$$$Best Markers & Pens for Manga: Copic, Multiliner, G Nibs Price range: $–$$Best Pens & Markers for Coloring: Brush Pens to Alcohol Price range: $–$$Best Pens for Nurses: Click Pens That Survive a Shift Price range: $–$$$Best Pens for Teachers: Grading, Marking & Worksheets Price range: $–$$Paper Mate EraserMate: Erasable Ballpoint Explained Price range: $Best Fine-Tip Pens for Small Handwriting (2026) Price range: $–$$Best Fountain Pens Under $200 (2026): What US$200 Buys Price range: $$$–$$$$Best Fountain Pens Under $50 (2026): Kakuno to ECO Price range: $–$$$Best Multi Pens (2026): Jetstream 4&1, Coleto & More Price range: $–$$Best Pens That Don't Smudge (2026): Fast-Drying Picks Price range: $–$$Best Rollerball Pens (2026): Vision Elite, V5 & More Price range: $–$$$Best Japanese Highlighters: Mildliner, Propus & More Price range: $Best New Japanese Pens of 2026: FriXion Synergy 3 & More Price range: $–$$$$Best Paint Markers: POSCA vs Sharpie Creative vs MOLOTOW Price range: $Visconti Homo Sapiens vs Mirage Mythos: Lava or Resin Price range: $$$$Monami Rein Fountain Pen: EF Nib, Cartridges, Size Price range: $$$BENU Euphoria: Tea, Coffee and Cocktail Fountain Pens Price range: $$$$MOLOTOW ONE4ALL 127HS: Refillable Acrylic Marker Price range: $Ohuhu Maui: Water-Based Dual Brush Markers Price range: $Sakura Koi Coloring Brush Pen: Nylon Tip, 48 Colors Price range: $Best Erasable Pens: FriXion, Synergy & EraserMate Price range: $Pilot G2 vs Zebra Sarasa Clip: Sizes, Ink & Refills Price range: $Pilot Metropolitan vs LAMY safari: Nibs, Weight & Ink Price range: $$$TWSBI ECO vs LAMY safari: Piston vs Cartridge Filling Price range: $$$Ohuhu Honolulu: Brush-and-Chisel Alcohol Markers Price range: $Paper Mate Profile: The 1.4 mm Bold Retractable Pen Price range: $Pen Refills Explained: Formats, Codes and Swaps Price range: $–$$$Sustainable Pens vs Disposable: What Really Helps Price range: $–$$$Discontinued Pens People Still Want (2027 List) Price range: $–$$Zebra Sarasa Dry X20: Quick-Dry Gel Pen for Lefties Price range: $Best Gifts for Fountain Pen Lovers (2027): 9 Picks Price range: $$–$$$$Fountain Pen vs Gel Pen: Feel, Line, Paper and Cost Price range: $–$$$Japanese vs Western Nib Sizes: Why a Japanese F Is Finer Price range: $$$–$$$$Best Calligraphy Pens for Beginners (2027): 6 Picks Price range: $–$$$Sharpie Pen Fine Point: The 0.4 mm Felt Tip Pen Price range: $Best Alcohol Markers (2027): Ohuhu vs Copic and More Price range: $–$$Pilot G2 vs uni-ball Signo 207: Ink, Sizes & Refills Price range: $Copic Sketch: Nibs, 358 Colors & Refillable Ink Price range: $$uni POSCA PC-5M: Opaque Paint Marker Guide Price range: $Fountain Pen Nib Sizes Explained: EF, F, M and B Price range: $$$–$$$$Gel vs Ballpoint vs Rollerball: How the Inks Differ Price range: $Best Pens for Note-Taking (2027): 7 Picks by Use Price range: $–$$Best Luxury Pens (2027): 10 Gift & Heirloom Picks Price range: $$$–$$$$Best Fineliner Pens: Micron, Point 88 & More Price range: $Best Vintage Fountain Pens to Buy (2027): 9 Classics Price range: $$$$Best Ballpoint Pen: Jetstream RT Wins, 12 Picks Compared Price range: $–$$$Best Brush Pens: Fudenosuke, ABT & Pocket Brush Price range: $–$$Monami Plus Pen 3000: Korea's 0.4 mm Felt Tip Pen Price range: $Kuretake ZIG Clean Color Real Brush: Colors & Blending Price range: $Faber-Castell PITT Artist Pen: Brush Tips & India Ink Price range: $Stabilo Point 88: Fineliner Colors, Tip & Dry-Out Price range: $Paper Mate InkJoy Gel: Sizes, Dry Time & Color Packs Price range: $Best Gel Pens: G2, EnerGel, Sarasa & More Price range: $Paper Mate Flair: Felt Tip Sizes & Point Guard Price range: $All pens guides →
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