Product Overview
DESCO part 221421 is a Statshield® smock jacket with cuffs in blue, size Medium. The product is an ESD protective smock jacket designed to provide hip-to-cuff grounding and to create a Faraday cage effect around the torso and arms when worn.Material and Construction
- Material: textured polyester with a minimum of 9% carbon mono-filament nylon woven in a chain-link design.
- Panel-to-panel electrical continuity ensured at seams.
- Integrated conductive cuffs and hip snap for grounding.
Documentation
Official technical documentation includes testing and maintenance instructions, as well as electrical properties and recommended test methods: See manufacturer's data sheet
Typical Applications
DESCO part 221421 Statshield® smock jacket is used to attenuate electrostatic fields on personnel clothing and to protect ESD-sensitive articles from field effects from the operator's clothing by providing a grounded barrier (Faraday cage effect). The smock is designed to function as a groundable static control garment system in accordance with the requirements mentioned in the documentation (reference to IEC 61340-4-9 in the manufacturer's technical bulletin).
Grounding and Testing
- Hip-to-cuff grounding via a snap-stud on the hip, allowing hands-free grounding without a wrist strap.
- Panel-to-panel conductivity can be verified with standard surface measurement methods and testers described in the data sheet.
Maintenance
- Recommended washing: cool to warm water, low tumble dry heat or air dry; do not use bleach or fabric softener.
- The smock's ESD properties are maintained under normal conditions for at least 100 washes according to the manufacturer (2-year/100 wash limited warranty stated by the manufacturer).
Specifications
- Manufacturer: DESCO
- Product name / part number: DESCO part 221421 (Statshield® smock jacket with cuffs)
- Color: Blue
- Size: Medium
- Material composition: Textured polyester and a minimum of 9% carbon mono-filament nylon
- Fabric weight: 2.2 oz per square yard (74.6 g/m2)
- Carbon mono-filament: Conductive at 1 x 10^4 ohm, non-flaking and non-sloughing
- Surface resistance: 1 x 10^5 < 1 x 10^7 ohm (according to ANSI/ESD STM2.1)
- Glass transition temperature: 250 °F (121 °C)
- Flash point: 1040 °F (560 °C)
- Hip-to-cuff function and snap-stud for grounding (4 mm snap-stud indicated in documentation)
- Panel-to-panel electrical continuity at seams
- Country of Origin: USA
- Warranty: Limited warranty 2 years / 100 washes (stated by the manufacturer)
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