Butyl rubber gloves, also known as operation box gloves, long-arm gloves, or lab gloves, are designed for use in glove boxes, anaerobic tanks, incubators, and other controlled environments. The cuff diameter of these gloves is typically between 22 to 25 cm, allowing them to fit securely into the opening of a glove box. These gloves feature curled cuffs that can be locked into place, ensuring a tight seal. They are lined with nylon fibers for added durability and come in large, medium, and small sizes.
These gloves offer excellent physical and mechanical properties, including high tear resistance, acid and alkali resistance, good wear resistance, air-tightness, and anti-aging performance. They are ideal for use in various industries such as electronics, biopharmaceuticals, electroplating, food production, chemicals, and university research laboratories. Their ability to resist harsh chemicals like hydrofluoric acid, aqua regia, nitric acid, strong bases, toluene, and alcohol makes them particularly valuable in sensitive environments.
Before using butyl rubber gloves, it’s essential to check their airtightness. To do this, simply blow into the gloves and squeeze the cuffs to see if they hold the air without leaking. If any glove leaks, it should be discarded immediately to ensure safety and effectiveness.
One key component of the glove system is the sealing ring, which has a diameter of approximately 196–197 mm. This ring is made from acetal copolymer, a tough and rigid thermoplastic material known for its impact strength, surface hardness, and dimensional stability. It can withstand temperatures ranging from -40°C to 104°C and offers good chemical resistance.
The sealing ring consists of an inner and outer ring. During installation, these rings are placed separately on the box body. The outer ring is pressed against the transparent panel’s surface to create a secure grip, while the inner ring is then fastened into the box. Both rings are equipped with rubber O-rings on the glass side, enhancing the sealing effect.
When tightening the inner and outer rings, self-tapping screws are used without penetrating the glass. The gloves are then secured onto the protruding cylindrical surface of the fixing ring. A rubber tightening ring or metal hose clamp may be added to ensure the gloves remain firmly in place and do not shift during use.
Additionally, compatible rubber O-rings, tensioning rings, and metal hose clamps are available to further enhance the sealing and securing functions of the gloves, providing a reliable and safe solution for laboratory and industrial applications.
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