Product 4952-23
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Designed in the USA

• Allows convenient mounting of 2-compartment Glove Dispenser on specified Terra workstation

• Must be ordered with bench; specify bench size

Dimensions, Product: 35" W x 25" D x 15" H

Weight, Product: 15 lb

Dimensions, Shipping: 40" W x 30" D x 20" H

Weight, Shipping: 30 lb

Package Type: Crate

Unit of Measure: EA

General Purpose Tables

  • Stainless Steel Dual Level Gowning Bench Dual Level Stainless Steel Gowning Bench
  • Floor Mounted Solid Top Three Post Bench Floor-Mounted Stainless Steel Gowning Bench, Solid Top, 3 Posts Gowning Bench
  • Gowning Room Bench Square Frame Solid Top Stainless Steel Free Standing Square Solid Top Gowning Bench
  • Gowning Bench; 304 SS, Free Standing, Tubular Top, 72"L x 16"W x 18"H
  • Gowning Platform Furnishings Platform Gowning Platform Furnishings Platform
  • Floor-Mount Gowning Benches Floor-Mount Gowning Benches
  • Free-Standing Gowning Benches Cylindrical Frame Free-Standing Gowning Benches Cylindrical Frame
  • Removable Bootie Racks Removable Bootie Racks
Stainless Steel Dual Level Gowning Bench
Floor Mounted Solid Top Three Post Bench
Gowning Room Bench Square Frame Solid Top
Gowning Platform Furnishings Platform
Floor-Mount Gowning Benches
Free-Standing Gowning Benches Cylindrical Frame
Removable Bootie Racks

Features and Benefits

Gowning Protocol Explained

Cleanroom Recommended Gowning Protocol Dirty Link in the Ultra-Clean Chain?

Manufacturers invest hundreds—even thousands—of dollars per square foot of cleanroom space to meet ISO-proscribed particle counts. Shouldn't the same standards be required of the people who enter and potentially contaminate this ultra-clean environment?

Proper cleanroom garments, including hoods, face masks, booties and gloves, help to contain particles that people emit. Yet improper gowning procedures can negate your investment in cleanliness and threaten yields of sensitive semiconductor devices. Once a garment is contaminated—violated by contact with a dirty surface—it spreads particles everywhere it goes.

Sure, you can train personnel on proper garmenting procedures, but how do you guarantee compliance? A violated garment doesn't set off alarms, and few facilities can afford quality control monitors to supervise every person through every washing and dressing stage. Yet if strict controls are not observed, dirty gloves and coveralls almost certainly will come in contact with clean operations.

A Gowning Area that Supports Clean Protocol

The simplest and most economical approach to this dilemma is a correctly designed gowning area, complete with well-designed change room products, that keeps personnel on a clean track.

This design starts with a room with pressure greater than that of the outside air, but lower than the cleanroom. This cascading pressure differential reduces the opportunity for contaminants to enter each controlled space. It includes a laminar flow of HEPA-filtered air, typically emitted through ceiling filter/fan units. This continuous wash of clean air immediately removes personnel-emitted contaminants, as well as particles present even in cleanroom-laundered garments (see Figure 1). Failure to maintain the desired particle standard in the change area will lead to contaminating clean garments.

Activity No. of particles (>= 0.3µm)
Person emits during garmenting process 3,000,000/min.
Cleanest skin (hands) 10,000,000/ft2
Employee street clothes 10,000,000 to 30,000,000/ft2
Floor and bench surfaces > 10,000,000/ft2
Garments supplied by cleanroom laundry 1,000,000/ ft2
Figure 1: Gowning Area Particle Generators Source: Encyclopedia of Clean Rooms, Bio-Cleanrooms and Aseptic Areas, Dr. Philip Austin, P.E., 2000

The Change Room illustration depicts an effective floor plan that places the proper gowning stations in appropriate locations. Although many variations on this layout are possible, they should support these key garmenting guidelines:

  • Don't Touch! Most cleanliness violations occur when a garment is touched by dirty hands, or when it touches a dirty floor. Hands and gloves should therefore be washed and dried frequently. Select washers and dryers with no-touch IR sensors to minimize the chance of violating gloves. Maintain ultraclean, unviolated surfaces where garments can be donned without contamination. Properly placed gowning benches or use of a special gowning platform helps maintain “not step” areas where a coverall may touch the ground during gowing.
  • Dress from the Head Down! That way, released particles won't fall on clean garments or booties.
  • Understand Garment Design! In most instances, gloves and booties are worn over coverall sleeves and cuffs, and hoods are tucked inside collars. Make sure that personnel are trained on how to seal these gaps between clothing, and include a mirror to allow final self-inspection. Hang a photo of a correctly garbed person next to the mirror as a "how-to" guide.
  • Minimize Motion! As Figure 2 indicates, people wearing cleanroom garments emit thousands of particles per minute even when sitting still! People in street clothes, walking from one change room location to another, release millions of particles. Change room plans should therefore minimize motion, especially during the final stages of dressing, by efficiently organizing the flow of personnel from one station to another.
  • Minimize Maintenance! Do you have dedicated, trained personnel to peel off adhesive shoe mats, wipe down gowning benches, keep "clean zones" regularly scrubbed, empty waste receptacles, restock garb dispensers, and perform other upkeep with the absolute regularity that your protocol requires? If not, look for ways to minimize reliance on humans—through automation, careful product positioning, choice of materials, and so forth. Initial cost may be higher, but reduced maintenance and greater compliance provide a rich return on your investment!
  • Train and Reinforce! A good change room design supports proper protocol, but it doesn't teach it. Make sure that personnel complete a formal training program, and stress protocol by hanging reminder posters at every gowning station that reinforce proper procedures.

Personnel Activity Snap Smock Standard Coverall 2-Piece Coverall Tyvek® Coverall Membrane Coverall
No Movement 100,000 10,000 4,000 1,000 10
Light Movement 500,000 50,000 20,000 5,000 50
Heavy Movement 1,000,000 100,000 40,000 10,000 100
Change Position 2,500,000 250,000 100,000 25,000 250
Slow Walk 5,000,000 500,000 200,000 50,000 500
Fast Walk 10,000,000 1,000,000 400,000 100,000 1,000
Figure 2: Austin Contamination Index Particles >= 0.3µm emitted per minute in garment indicated Source: Encyclopedia of Clean Rooms, Bio-Cleanrooms and Aseptic Areas, Dr. Philip Austin, PE, 2000 Note: Light/heavy movement refer to partial body movements (motioning with arm, tapping toes, etc.). Change of position refers to whole body motion (standing up, sitting down, etc.).

On a tight schedule? Choose FasTrak 24/7 Priority Service to help meet your critical schedule for Terra-manufactured products, either before or after your order is placed.*

  • FasTrak 24/7 provides a 24/7 commitment to meet the shipping date YOU specify, regardless of quoted lead times.
  • FasTrak 24/7 assigns a dedicated production team plus a dedicated senior expeditor working three shifts to meet your delivery specification.
  • FasTrak 24/7 guarantees* to meet the agreed-to specified ship date.

Call for pricing. FasTrak service fees cover costs of additional services only, without additional profit.

 * Terra's FasTrak services limited guarantee: to ship on the ESD or date specified OR to refund up to 100% of FasTrak charges. This guarantee covers no direct, special, consequential or other damages and is strictly limited to up to 100% of the amount paid for FasTrak service. When a specified ship date is missed due to factors outside Terra's control (vendor performance, deliveries by shipping companies, etc.) and random factors such as accidents, the credit of up to 100% of the FasTrak 24/7 may not apply. FasTrak service requested after order placement will be quoted and accepted based on available time remaining before required ship date.

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