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CONTROLLED/CRITICAL ENVIRONMENTS Frequently Asked Questions

Which gloves should I use if I need ESD properties?

Nitrile, vinyl and polychloroprene gloves are good for ESD properties.

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Where can I find the product test reports?

Product data sheets are used to present information about our products to customers in an easy-to-digest format. If you have specific queries about a product, we can provide detailed answers and reports. For some of our products there is a lot of information available, and for a number of those we have compiled product validation packs.

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How much experience do we have with meeting the needs of various critical environments?

We have over 50 years of technical experience in cleanrooms and critical operating environments. This wealth of industry experience gives us a unique and priceless knowledge base that we use to help our distributors and their customers find the right products for their needs. If you have any queries then please do not hesitate to contact us.

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What are latex gloves?

Latex gloves are manufactured from natural rubber latex, derived from the sap of the rubber tree, Hevea brasiliensis.

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What are nitrile gloves?

Nitrile gloves are manufactured from a petroleum-based, cross-linked synthetic latex film that is formed by the co-polymerization of butadiene with acrylonitrile to yield a nitrile elastomer.

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What are Glove Allergies?

A glove allergy, or hypersensitivity, occurs when a person's immune system reacts to the natural latex proteins and/or the additives used during the manufacturing process of gloves. The reactions range from mild (skin rash, runny nose, itchy, watery eyes) to more extreme manifestations such as facial or throat swelling, and difficulty in breathing. Whilst most allergies or sensitivities are generally slight, a very small percentage of users may experience very severe reactions.

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What is the difference between Type 1 and Type 4 Allergies?

Type 1: The most serious and the rarest form, Type 1 is an immediate and potentially life threatening reaction, not unlike the severe reaction some people have to bee stings. This form of Allergy is normally associated with latex proteins. Latex allergies can be acquired over time due to prolonged contact with latex products. Type 4: Also known as allergic contact dermatitis. This involves a delayed skin rash with blistering and oozing of the skin, and is usually attributed to the accelerators used in the processing of rubber products. We offer products that are manufactured without accelerators - further information can be supplied on request.

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When does a PPE glove become a Category 3 Glove for chemical protection?

According to the Personal Protective Equipment Directive (89/686/EC) any 'PPE providing only limited protection against chemical attack . . .' is a PPE of complex design, i.e. Category 3. Any glove that protects against 'cleaning materials of weak action and easily reversible effects (gloves affording protection against diluted detergent solutions, etc.)' are defined as simple design by the directive, i.e. Category 1. So any glove that is intended to protect against anything other than the weakest of chemicals is a Category 3 glove.

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How can I tell if gloves have been sterilized?

The packaging clearly shows they are sterile gloves. Each carton will have a red irradiation sticker, showing that the contents have been gamma sterilized. The irradiation sticker is yellow prior to sterilization and changes color to red during processing. A certificate of irradiation is available showing the lot number and carton number and confirming that the gloves have been sterilized.

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When should you double don gloves?

We recommend double donning gloves to provide extra protection. The more layers, the more protection against chemicals. Also, double donning limits the chance of penetration through pinholes. Statistically, there is a very low chance of two pinholes being in exactly the same place on two gloves. Gloves designed to work as a double-gloving system, offer operators an additional layer of protection throughout chemo preparation and administration process. By using a brightly colored underglove with a natural colored outer glove, any breach is immediately visible, giving the operator an early signal to change gloves.

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Why would I use a 12"/16" glove?

You would use a 16" glove if you want more protection up to the elbows when covering the sleeve. Also, a 16" glove will hold the sleeve in-place better than a 12" glove. There is growing interest in 16" gloves because of these benefits. Our BioClean N Plus (BNPS) 16" nitrile glove provides such protection.

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