Cleanroom Booties

Blue Thunder Technologies offers a complete line of cleanroom foot coverings such as cleanroom booties / cleanroom shoe covers and cleanroom boot covers. Why are shoe coverings so important to use in a critical environment? Shoe covers or Booties control contamination as well as protect the wearer from potential hazards that may be generated by other people, objects, and environments. Our feet are exposed to a large number of contaminates throughout the day, therefor the need for a quality cover is vital to protect your environmentally controlled space.

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Cleanroom Classifications

Clean rooms are classified by particles in the air and volume of the room

Clean Room Classifications

Simply put, the class of a clean room is determined by the size and number of particles present according to the volume of air. The larger the class, the more particles are present. For example, a typical bedroom (unfiltered) would probably fall within the class 1, 000,000 category of cleanroom (ISO 9) or 7000 particles ≥5 µm. At this point though, it would no longer be considered a “cleanroom.”

Classes of Clean Rooms:

Class 1 (ISO 3), Class 10 (ISO 4), Class 100 (ISO 5), Class 1,000 (ISO 6), Class 10,000 (ISO 7), Class 1000,000 (ISO 8), and so on…

More detailed information available from ISO

It is critical to determine the class of your cleanroom so you can outfit it with the proper cleanroom supplies.

Class maximum particles/ft³ ISO
equivalent
≥0.1 µm ≥0.2 µm ≥0.3 µm ≥0.5 µm ≥5 µm
1 35 7.5 3 1 0.007 ISO 3
10 350 75 30 10 0.07 ISO 4
100 3,500 750 300 100 0.7 ISO 5
1,000 35,000 7,500 3000 1,000 7 ISO 6
10,000 350,000 75,000 30,000 10,000 70 ISO 7
100,000 3.5×106 750,000 300,000 100,000 700 ISO 8
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What is a Clean Room?

Workers in a Cleanroom

Cleanrooms are controlled environments often used in the manufacturing of electronics and medical devices. Laboratories, pharmaceutical industry/manufactering, and medical/operation rooms also utilize a controlled environment.

A clean room, and often referred to as a cleanroom, is a controlled environment that is designed to monitor and regulate the particle and pollutant content in the air. Depending on the function of the clean room, particles and vapors will need to be monitored in varying degrees. There are several different classes of cleanrooms set forth to regulate to the size and number of particles allowed volume/air. A HEPA (high-efficiency particulate air) filter is used within the clean room to regulate the number of contaminants. Because humans often work inside clean rooms, depending on the class of clean room, special apparel such as coveralls, shoe covers, gloves, masks, and eye wear is required. Sticky mats and specialized furniture are also common items found in clean rooms.

 

Below is a chart of the classifications and the ISO equivalent number.

Class maximum particles/ft³ ISO
equivalent
≥0.1 µm ≥0.2 µm ≥0.3 µm ≥0.5 µm ≥5 µm
1 35 7.5 3 1 0.007 ISO 3
10 350 75 30 10 0.07 ISO 4
100 3,500 750 300 100 0.7 ISO 5
1,000 35,000 7,500 3000 1,000 7 ISO 6
10,000 350,000 75,000 30,000 10,000 70 ISO 7
100,000 3.5×106 750,000 300,000 100,000 700 ISO 8

It is important to remember that different classes of cleanrooms often require specific apparel, gloves, wipes, and other cleanroom supplies. Be sure to check out some of the products we offer for cleanrooms and other controlled environments. For more specific questions about what products should be used in your cleanroom or controlled environment, call one of our experienced staff members at 860 265 3137.

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Lab Apparel, Laboratory Supplies, Exam Gloves, Coveralls, Masks…

Picture of hand in a lab

Blue Thunder Technologies supplies Laboratory Apparel such as Lab / Exam Gloves, Finger Cots, Coveralls, Shoe Covers, Lab Masks, Lab Swabs, and More!

Blue Thunder Technologies is proud to supply some of the most prestigious Colleges and Universities with Laboratory Chemicals, Laboratory Equipment / Cleanroom Furniture, and Laboratory Supplies such as Lab Apparel, Exam Gloves, Coveralls, Masks, and Shoe Covers. Purchasing these supplies can sometimes become a tedious process. Let us relieve some of that stress and call 860 265 7995  to talk to one of our friendly sales staff about outfitting your lab today!

A Little About Us…

Blue Thunder Technologies is a leading woldwide distributor of supplies for controlled environments such as labs, cleanrooms, and critical control assembly areas. Since our start, we have teamed with some of the best manufacturers in the world for goods such as clean room wipes, and supplies used in the laboratory, pharmaceutical, medical, life science, and electronics industries.

We can execute your clean room requirements no matter how large or small; from consumables like sticky mats and gloves, to the entire clean room, lab, or controlled environment itself! Contact Blue Thunder Technologies for more information today.

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From ESD Bags to Lead Free Solder, Isopropyl Alcohol, and Polyimide Labels…

From ESD Bags to Lead Free Solder, Isopropyl Alcohol, and Polyimide Labels, Blue Thunder Technologies supplies a wide variety of ESD, Soldering, Rework, Tools, and Chemicals to assembly electronic manufacturers. Browse our Assembly Electronics page for more info, or if you cannot find what your looking for, give us a call at 860 265 7995 and we will be happy to help!

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Lightning Strikes: Best ESD and Stencil Wiping Rolls

By Claudio Orefice, Blue Thunder Technologies Inc.

Conventional stencil wiping rolls contain a high percentage of polyester, leaving PCBs exposed to ESD damage. A conventional roll creates more static as it wipes across a metal stencil sitting in the middle of un-grounded nylon mesh. Just as polyester clothes cling and spark when rubbed, fabric cleaning rolls retain static electricity generated in the manufacturing process.

The latest ESD Association (ESDA) roadmap identifies a trend of rising ESD sensitivity in electronics, through 2010 and likely beyond, as higher performance and denser circuit board assemblies are achieved. Not only will this trend continue, the ESDA predicts, but circuit performance will be valued at the expense of ESD protection levels. Many engineers are not aware of the static dangers that conventional wiping rolls can pose. Despite understanding of ESD protection throughout the manufacturing facility – wrist and ankle grounds for operators, ESD-safe storage bags, special flooring and paints – they figure that if the machine is grounded, it does not matter if the paper is not safe from electrostatic discharge (ESD). Conventional rolls contain a high percentage of polyester. Everyone knows how polyester clothes can cling and cause static sparks. The mere winding action of manufacturing a conventional roll of fabric causes large amounts of static electricity, which remains in the roll. The majority of static generated on a busy production floor is triboelectricity. Tribocharging occurs at the contact and separation of materials, as in a stencil wiping action. Consequently, a failure may not be apparent until after the board is being used by an unsuspecting customer.

ESD can destroy an electrical component on a loaded board and cause voids in solder traces. One solution is stencil wiping rolls that offer ESD properties as well as antistatic packaging. These must be efficient cleaning products as well, and reduce defects, downtime, and health risks. Continue reading

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