--- product_id: 122167763 title: "Industrial Invisible Blue UV Blacklight Reactive Security Ink (4 Ounce Bottle)" brand: "opticz" price: "130.31 DT" currency: TND in_stock: true category: "Opticz" url: https://www.desertcart.tn/products/122167763-industrial-invisible-blue-uv-blacklight-reactive-security-ink-4-ounce store_origin: TN region: Tunisia --- # Invisible ink glows bright blue under UV Multi-surface industrial-grade formula Water-resistant & hard to remove Industrial Invisible Blue UV Blacklight Reactive Security Ink (4 Ounce Bottle) **Brand:** opticz **Price:** 130.31 DT **Availability:** βœ… In Stock ## Summary > πŸ”’ Glow in the dark? No. Glow under blacklight? Absolutely. Secure your assets invisibly. ## Quick Answers - **What is this?** Industrial Invisible Blue UV Blacklight Reactive Security Ink (4 Ounce Bottle) by opticz - **How much does it cost?** 130.31 DT with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.tn](https://www.desertcart.tn/products/122167763-industrial-invisible-blue-uv-blacklight-reactive-security-ink-4-ounce) ## Best For - opticz enthusiasts ## Why This Product - Trusted opticz brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - β€’ **Economical & Efficient:** Solvent-based formula means a little goes a long way, maximizing your ROI. - β€’ **Stealth Security Marking:** Invisible in daylight, reveals under UV blacklight for covert authentication. - β€’ **Industrial Strength Durability:** Water-resistant and fast-drying ink that resists removal, perfect for long-term tracking. - β€’ **Trusted American Craftsmanship:** Proudly made in the USA by Opticz, a leader in UV security inks. - β€’ **Versatile Surface Compatibility:** Adheres to metals, plastics, paper, and moreβ€”ideal for diverse industrial applications. ## Overview Opticz Industrial Invisible Blue UV Blacklight Reactive Security Ink is a high-performance, solvent-based ink that remains invisible under normal light but fluoresces bright blue under UV blacklight. Designed for industrial use, it offers water resistance, fast drying, and strong adhesion across a wide range of materials including metals, plastics, and paper. This 4-ounce bottle is perfect for covert security marking, authentication, and tracking applications, made in the USA by the trusted Opticz brand. ## Description This is that hard to find UV Blacklight Reactive Invisible Ink for box marking, document marking, and other unique security applications. Only visible under black light. Ink is water resistant and very difficult to remove. Best viewed in dark or shaded area. Opticz Blacklight Reactive Invisible Printing Inks are suitable for paper marking as well as non-porous material marking. This ink is invisible/colorless and will glow bright blue under UV blacklight. This ink should NOT be used for readmission (e.g. on skin use). Industrial application only. Can be used on: aluminum, cardboard, ABS, acrylic, rubber, cellulose, acetate, formica, nylon, polystyrene, Polyethylene and most other materials and porous surfaces. Ink is solvent based so a little goes a very long way! Ink is formulated to fluoresce brightly under long wave ultraviolet light only. They do NOT glow in the dark! Fast drying and non-transferable. Ideal for applying onto an already printed surface. Please note if applied to a bright white surface that is also UV reactive, this will make the ink hard to see because bright white will glow blue when under a blacklight. Off white to medium color tones yield ther best results. Avoid eye contact and excessive inhalation. Do not ingest. KEEP OUT OF THE REACH OF CHILDREN. ## Features - Invisible in regular light, glows bright blue in blacklight. Industrial use only.Not safe for skin. See Opticz brand ALL PURPOSE UV INK for hand stamping and skin use applications - Choose between 4 sizes discounted by quantity. 2oz, 4oz, 8oz, and 16oz - Ideal for invisible security marking purposes. Mark auto parts, retail items to verify authenticity with returns, or virtaully anything you want to track undectected! - Safe and non toxic when used as directed. NOT for printers or tattoos! - Trusted Opticz Brand. Made right here in the USA! ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B07FRCD8N8 | | Best Sellers Rank | #356,166 in Office Products ( See Top 100 in Office Products ) #635 in Bottled Pen Ink | | Brand Name | Opticz | | Container Type | Bottle | | Customer Reviews | 4.3 4.3 out of 5 stars (96) | | Ink Color | Blue | | Manufacturer | Opticz | | Manufacturer Part Number | DGINKBS | | Number of Items | 1 | | Paint Type | Alcohol | | UPC | 744271607574 | | Unit Count | 1 Count | | Volume | 118 ml | ## Product Details - **Brand:** Opticz - **Item Volume:** 118 ml - **Manufacturer:** Opticz - **Package Information:** Bottle - **Paint Type:** Alcohol ## Images ![Industrial Invisible Blue UV Blacklight Reactive Security Ink (4 Ounce Bottle) - Image 1](https://m.media-amazon.com/images/I/71mwNpNeChL.jpg) ## Available Options This product comes in different **Size** options. ## Questions & Answers **Q: Can i use it in rubber stamping pad, or it will evaporate?** A: Yes on both. It is rubber stamp friendly, but being an alcohol based ink it does evaporate quickly. A saturated stamp sitting out more than a minute or so will dry out. Use immediately when needed and it’s no problem **Q: Are there any recommended empty / refillable marker types to use?** A: https://www.amazon.com/dp/B07BPXZ9HQ?ref=myi_title_dp Our marker version of this product. Non refillable. **Q: What wave length blacklight does this work with?** A: 365-395nm LED or fluorescent fixture/bulb(s) are fine **Q: Can this be used in a pump spray bottle, to cover multiple metal items?** A: Yes. The ink is an isopropyl alcohol base and is very thin. About the same consistency as water. It could work through a spray pump just fine. ## Frequently Bought Together - Opticz Industrial Invisible Blue UV Blacklight Reactive Security Ink (4 Ounce Bottle) - Carter's Felt Uninked Stamp Pad, 2.75 x 4.27 Inches (21021) - COSOOS 2 Pack UV Flashlight, 12 LED Handheld Blacklight Flashlight 395nm Mini Light Torch Detector for Dog Pet Urine Stains, Bed Bugs and Scorpions. (Batteries not Included) --- ## Why Shop on Desertcart? - πŸ›’ **Trusted by 1.3+ Million Shoppers** β€” Serving international shoppers since 2016 - 🌍 **Shop Globally** β€” Access 737+ million products across 21 categories - πŸ’° **No Hidden Fees** β€” All customs, duties, and taxes included in the price - πŸ”„ **15-Day Free Returns** β€” Hassle-free returns (30 days for PRO members) - πŸ”’ **Secure Payments** β€” Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** β€” Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.tn/products/122167763-industrial-invisible-blue-uv-blacklight-reactive-security-ink-4-ounce](https://www.desertcart.tn/products/122167763-industrial-invisible-blue-uv-blacklight-reactive-security-ink-4-ounce) --- *Product available on Desertcart Tunisia* *Store origin: TN* *Last updated: 2026-08-03*