The CS Unitec Putty/Hand Scraper Knife – EX408 Series is a professional-grade safety tool engineered for use in hazardous and sensitive industrial environments. Designed to minimize the risk of ignition, this non-sparking scraper knife is ideal for applications in petrochemical facilities, grain processing operations with explosive dust, utilities, and hazmat environments.
Manufactured from specialized non-ferrous alloys, the EX408 Series is non-magnetic, making it suitable for use around sensitive equipment such as MRI/NMR systems, nuclear applications, and electronic manufacturing environments. Its corrosion-resistant properties ensure dependable performance in harsh conditions including desalination plants, chemical and paper processing facilities, and marine or shipyard operations.
Available in a range of sizes and alloy options—including aluminum bronze and copper beryllium—the EX408 Series provides versatility for a variety of scraping and surface preparation tasks.
Produced under ISO 9001:2015 certified manufacturing processes and using TÜV-certified materials, these scraper knives meet strict quality and safety standards. Built for durability and long service life, each tool is backed by a lifetime warranty, ensuring reliable performance in critical environments.
| Property | Aluminum-Bronze (AlBr) Alloy | Copper-Beryllium (CuBe2) Alloy |
|---|---|---|
| Zone Compatibility | Complies with ATEX Directive 1999/92/EC for Zones 0, 1, 2, 20, 21, 22, M1 & M2 | Complies with ATEX Directive 1999/92/EC for Zones 0, 1, 2, 20, 21, 22, M1 & M2 |
| Hardness | 27 HRC | 38 HRC |
| Durability | Not as durable as CuBe | Very durable due to high hardness and tensile strength |
| Magnetic Properties | Low magnetism due to minimal ferrous components; suitable for non-critical non-magnetic applications | Non-ferrous composition; ideal for applications requiring non-magnetic properties |
| Composition | Al: 10.3% Fe: 4.5% Ni: 4.5% Other: 0.5% Cu: Balance |
Be: 1.9% Co + Ni: 0.4% Other: 0.5% Cu: Balance |
| SKU | 144099 |
|---|---|
| Weight | 1 |
| Country of Manufacture | |
| Mfr. Model Number | Ex408-25A |
| Link to User Manual | No |
| Link to Schematics | No |
| Link To Catalog | No |
| Technical Specifications | No |
| Free Shipping | No |


