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ISO Class

Terra Part #PriceShips in
3046 Slots241415ISO 5 1560-45 79722 $1,1531-3 Days2
In stock soon
3048 Slots33.8751415ISO 5 1560-40 68982 $1,3081-3 Days3
36 in stock
3041045.8751415ISO 5 1560-41 68983 $1,5521-3 Days4
24 in stock
3041257.8751415ISO 5 1560-42 68984 $1,7711-3 Days5
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3041469.8751415ISO 5 1560-43 68985 $1,78110-14 Days6
3041681.8751415ISO 5 1560-44 68986 $2,1311-3 Days7
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ISO Class
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Custom-configured product. Contact Terra by phone, chat or email for a project-specific quote.
Custom-configured product. Contact Terra by phone, chat or email for a project-specific quote.
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Product Details
  • ISO Rating: ISO 5, ISO 6, ISO 7, ISO 8
  • Provides organized storage area for booties and shoes
  • Cost effective and space efficient gowning area accessory
  • Removable for easy cleaning
  • Bootie racks neatly attach underneath any free-standing Terra gowning bench
  • Easy to retrofit to existing Terra benches

Gowning Benches

  • Gowning Bench with Removable Bootie Rack Gowning Bench with Removable Bootie Rack
  • Free-Standing Gowning Benches Cylindrical Frame Free-Standing Gowning Benches Cylindrical Frame
  • 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 ISO-Rated Stainless Steel Free Standing Square Solid Top Gowning Bench
  • Stainless Steel Rod Top Gowning bench Gowning Bench; 304 SS, Free Standing, Tubular Top, 72"L x 16"W x 18"H
  • Removable Bootie Racks Removable Bootie Racks
  • Gowning Platform Furnishings Platform Gowning Platforms
  • Floor-Mount Gowning Benches ISO-Rated Floor-Mount Gowning Benches
Features & Benefits

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.

ActivityNo. of particles (>= 0.3µm)
Person emits during garmenting process3,000,000/min.
Cleanest skin (hands)10,000,000/ft2
Employee street clothes10,000,000 to 30,000,000/ft2
Floor and bench surfaces> 10,000,000/ft2
Garments supplied by cleanroom laundry1,000,000/ 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 ActivitySnap SmockStandard Coverall2-Piece CoverallTyvek® CoverallMembrane Coverall
No Movement100,00010,0004,0001,00010
Light Movement500,00050,00020,0005,00050
Heavy Movement1,000,000100,00040,00010,000100
Change Position2,500,000250,000100,00025,000250
Slow Walk5,000,000500,000200,00050,000500
Fast Walk10,000,0001,000,000400,000100,0001,000
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.).

Stainless Steel Gowning Bench Design Benefits

Through 40 years of continuous product improvement, Terra has solved problems that other gowning bench manufacturers don’t realize they have.

Many Top and Frame Styles

Solid, tubular, and perforated tops available to accommodate ISO 5 cleanliness and air flow-through requirements; free-standing models include non-contaminating, adjustable nylon feet.

High Caliber Hardware

Seemingly small details like latches, ports, glides and hinges are often overlooked or ignored by other manufacturers, and later become the point of costly recurring maintenance or equipment failure. Terra’s products are made of long lasting, cleanroom compatible, top tier hardware. Individual components are carefully designed and rigorously tested to guarantee the highest quality, durability, and craftsmanship.

Continuous Product Improvement

At Terra, we strive to develop and produce the highest quality products for our customers to improve health, safety, performance, and yields. Our product quality is enabled by high-grade manufacturing equipment and processes, 45 years of engineering and application expertise, and our commitment to continuously improve.

Products Compliant With Your ISO Rating

Provide Terra with your desired ISO rating. We will tailor the product to meet your rating and certify it with the serial numbers appended to your invoice, to be included in your compliance package.
Available Accessories
Popular Accessories
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  • Electropolish Finish

    Electropolishing increases corrosion resistance and improves ease of cleaning with a smooth, reflective, mirror-like finish. You can see the difference in reflection from the catalog placed on the table.
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