What is the glove manufacturing process?

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BioClean cleanroom glove manufacturing isn’t a quick or simple process; there are many stages to ensure the gloves, which are delivered to your door, meet the highest standard and cleanroom grade.

Stage 1 – Glove Former Preparation

BioClean glove formers undergo meticulous preparation, involving numerous acid, water, and alkaline washes, as well as heavy brushing to ensure they are particle-free. The formers are then dipped into a coagulant made up of calcium nitrate and a powder-free chemical, aiding in the raw material pick-up at the next stage.

Stage 2 – Glove Dipping Process

The formers are dipped into the raw material (latex, nitrile, or polychloroprene) to create the final BioClean gloves. The raw material is kept at a low temperature in advanced dipping tanks to prevent destabilization. After dipping, the formers pass through a gelling oven to partially solidify the raw material, followed by extensive leaching in hot water tanks to remove water-soluble processing chemicals. The gloves are then beaded before entering the vulcanization oven for full vulcanization.

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Stage 3 – On-line Chlorination & Stripping

Post-vulcanization, the gloves are cooled through three cooling tanks, followed by on-line chlorination (water containing chlorine). The chlorine interacts with the glove surface, changing its molecular structure and turning it from tacky to silky smooth, allowing for easy donning. The gloves are then semi-automatically stripped from the formers and undergo extensive testing and further off-line chlorination.

Stage 4 – Glove Testing

BioClean gloves undergo watertight testing, where they are filled with a liter of water and inspected for holes by squeezing the gloves. Tensile testing machines then assess the gloves’ strength, determining their force at break and elongation. Although powder-free, the exterior glove surface still requires chlorination via off-line chlorination. The gloves are then rinsed thoroughly before going to the cleanroom for final processing.

Stage 5 – Cleanroom Processing

Following chlorination, the gloves are placed into a double-sided 100kg stainless steel washing machine and washed for a minimum of three times in di-ionized, UV-treated water filtered to 0.2 microns. They are then removed from the machine, dried using high-quality HEPA filtered air, and packed in ISO Class 4 or 5 cleanrooms.

Stage 6 – Cleanroom Packing

In the final stage, gloves undergo a final inspection over a lightbox before being pair-packed into PE inner wallets, marked for easy recognition when donning. The gloves are then vacuum-sealed in PE EasyTear pouches, packed into an EasyTear outer bag, and sealed completely for sterilization and shipping to customers. This completes the BioClean glove journey.

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