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Ensure Sample Integrity with Lab-Grade Markers
KOKUYO Alcohol Resistant Laboratory Markers offer superior performance for critical labeling tasks in demanding environments. These black permanent pens feature a precision 0.6mm fine tip, designed for clean, bleed-free writing on small surfaces like cryo-labels and tube caps. The oil-based ink is smudge-proof and resistant to alcohol, disinfectants, and moisture, ensuring your labels remain legible even after sterilization or exposure to extreme temperatures.
Engineered for reliability, the fast-drying ink bonds instantly to wet, frozen, or condensation-coated surfaces, preventing labels from peeling in freezers or liquid nitrogen storage. This 5-pack ensures you have ample supply for high-volume labeling needs, maintaining consistent marking standards across all samples and equipment. They are lab-tested for durability on materials like Eppendorf tubes, Falcon tubes, culture dishes, and glass slides.
Imported directly from Japan, these markers provide the quality and precision trusted by researchers and professionals worldwide. For Indian buyers, these specialized markers offer a durable, long-lasting solution for critical laboratory work, ensuring sample integrity and compliance. All customs duties and GST are included in the displayed price, with delivery expected in 12-14 days via ExpressBox tracked shipping.
Unmatched Durability for Critical Labeling
KOKUYO's specialized oil-based ink formulation is designed to withstand harsh laboratory conditions, including alcohol exposure and extreme temperatures. Unlike standard markers, these pens ensure your critical labels on test tubes, cryovials, and equipment remain legible and intact, safeguarding sample integrity. The precision 0.6mm tip allows for clear marking on the smallest surfaces, a crucial detail in research and medical settings. This 5-pack provides a consistent supply for busy labs.
Ideal for Labs, Who Should Consider Alternatives
These markers are perfect for biologists, chemists, and hospital staff needing reliable labeling on diverse lab materials like glass slides, petri dishes, and plastic containers. They excel in freezer and wet environments. However, if you only need general-purpose writing on paper or cardboard, standard markers may suffice. For artistic drawing or calligraphy, different tip styles and ink types are recommended.
Typical situations where KOKUYO Alcohol Resistant Laboratory Markers helps — illustrative scenarios, not customer reviews.
A research lab in Bangalore needs to label cryovials stored in -80°C freezers.
KOKUYO markers ensure labels remain legible on frosted cryovials even after prolonged freezer storage, preventing sample mix-ups. The 0.6mm tip allows precise labeling on small vial caps, crucial for sample identification.
A hospital pathology department requires markers resistant to disinfectants for labeling specimen containers.
The alcohol and chemical-resistant ink prevents smudging when containers are sterilized or handled with disinfectants, ensuring patient information remains clear and compliant with lab protocols.
| Ink Base | Oil |
| Special Features | Smudge Resistant, Fade Resistant, Multi Surface Use, Water Resistant |
| Recommended Uses | Writing, Labeling Lab Equipment, Specimen Containers, Cryovials, PCR Strips |
| Surface Recommendation | Paper, Plastic, Glass, Metal |
| Directions | Write clearly on desired surface. Ink dries fast. Cap tightly after use. |
| Cost per use | 5 pens for ₹10,415 — ₹2,083 per pen |
| Shelf life after opening | 12 months (category default for markers) |
| Reapplication math | Each pen lasts for extensive labeling tasks; 5 pens ensure continuous use for months in busy labs. |
| Contraindications | Not intended for general art or calligraphy. May not be suitable for porous or unsealed surfaces without testing. |
| Allergens / common irritants | Oil-based ink; avoid prolonged skin contact. Refer to manufacturer SDS for detailed chemical composition. |
| Feature | KOKUYO Alcohol Resistant | Others |
|---|---|---|
| Ink Resistance | Alcohol, chemical, smudge, moisture resistant. Permanent oil-based ink. | Standard permanent markers often smudge or fade with alcohol/moisture. Varies by brand, typically ₹100-300/pen. |
| Surface Adhesion | Bonds instantly to wet, frozen, and frosted surfaces (cryovials, glass). | Most markers struggle on wet or frozen surfaces; labels may peel. Requires specialized markers, often imported. |
| Tip Precision | 0.6mm fine tip for precise writing on small lab items (tube caps, PCR strips). | Commonly 1mm or thicker tips, less suitable for tiny labels. Fine tips are rare in local general-purpose markers. |
| Durability & Longevity | Lab-tested for durability on plastic, glass, metal; outlasts standard pens. | Ink may fade over time or with handling; not designed for extreme lab conditions. Varies greatly by brand. |
| Cost per pen | 5 pens for ₹10,415 — ₹2,083 per pen | Local permanent markers range from ₹100-300 per pen, with specialized lab markers being significantly more expensive or unavailable. |
| SKU | jfn2096 |
| GTIN | 4901480409726 |
| Brand | KOKUYO |
| Color | Black |
| Point Type | Fine (0.6mm) |
| Ink Type | Permanent Oil-Based |
| Tip Style | Chisel Tip |
| Material | Plastic, Felt |
| Package Quantity | 5 Count (Pack of 5) |
| Item Package Weight | 0.068 kg (0.15 lb) |
| Item Package Dimensions | 1.6cm x 5.8cm x 13.0cm (0.6in x 2.3in x 5.1in) |
| Country of Origin | Japan |
About KOKUYO
KOKUYO is a leading Japanese stationery brand renowned for its innovative, high-quality office and lab supplies, designed for precision and durability.
Compliance & Legal
No product-specific compliance warnings identified. Standard imported-goods terms apply: customs duties & GST paid; for personal use in India; follow the manufacturer's usage instructions on the packaging.
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This item:
KOKUYO Alcohol Resistant Laboratory Markers, 5 Black Permanent Freezer Lab Pens with 0.6mm Fine Point Tip | Smudge-Proof & Chemical-Resistant
10,415
This item
KOKUYO Alcohol Resistant Laboratory Markers, 5 Black Permanent Freezer Lab Pens with 0.6mm Fine Point Tip | Smudge-Proof & Chemical-Resistant
10,415
Total price:
11,659
You save 2,973 (20%) Extra3 items selected
3 items
11,659You save 2,973 (20%) Extra
| Attributes | Current |  |  |  | |||
|---|---|---|---|---|---|---|---|
| Spec | |||||||
| Price | 10,415 11,952 | 800 2,153 | 444 527 | 1,751 1,956 | 1,747 2,409 | 4,067 5,369 | 1,164 1,541 |
| Rating | 3.90(67) | 4.88(8) | 4.88(8) | 4.88(8) | 4.80(35K+) | 4.88(8) | 4.80(4,748) |
| Brand Name | KOKUYO | Sharpie | Sharpie | Sharpie | Sharpie | Sharpie | Milwaukee |
| Source | US Retail | US Retail | US Retail | US Retail | US Retail | US Retail | US Retail |
| Sold By | CrowCrowCrow | CrowCrowCrow | CrowCrowCrow | CrowCrowCrow | CrowCrowCrow | CrowCrowCrow | CrowCrowCrow |
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