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Preamble Eye Protection Safety goggles and spectacles offer most reliable eye protection against hazards encountered in all kinds of industry. Some are designed for protection against hazards in specific use, such as welding, grinding, chipping, bracing, metal-working, stone sledging, or chemical and foundry operations. Others protect against impacts and flying particles. All of them are extremely lightweight for maximum wearing comfort and are therefore suitable for all day use. For a selection of the most effective eye protection, the following facts should be evaluated: 1.0 Consider the Specific Hazards ➤ Mechanical Hazards Chips, splinters, coarse and fine dust impacts, abrasions, flying debris or molten metals ➤ Optical Hazards, Laser Light Ultraviolet and infrared rays, solar radiation, glare, arcs ➤ Chemical Hazards Gases from acids or alkaline solutions, solvents, detergents. Fumes, mists or liquid splash ➤ Thermal Hazards Heat and cold 2.0 Choose the right spectacles or goggles for each job Available types: 2.1 Spectacles They are protective systems consisting of frame and temples. The frame is made of either durable polyamide, which is one-piece moulded, or milled polycarbonate. Both materials retard combustion and resist sparks. Spectacles may be ordered with factory-attached side shields for wear by workers routinely exposed to impact hazards from the sides. A selection of shaded lenses is available for use in areas where ultraviolet, infrared or solar radiation, glare of metal flash problems exist. Spectacles will not keep out dust. Main applications: For eye protection where impact-resistant (but not unbreakable) lenses are desired, in activities such as scaling, grinding, woodworking, machine operation, and general industrial work. Also suitable for plant visitors. 2.2 Cup-Type Goggles For eye protection in works involving impact hazards and/or hazards such as flying particles, dust and chemicals, sparks and intense glare. They are designed for protection against hazards in specific fields, like welding, chipping, grinding, metal-working and chemical or foundry operations. Welding goggles are recommended only for welding operations up to 30 Amps. Welding beyond this intensity requires a helmet for complete protection. Cup-style goggles are worn independently of personal glasses and are available with a choice of frame styles, perforated, port-vented or non-vented. Lenses for all welder’s cup type goggles are exchangeable. 2.3 Cover Goggles They are a combination of cup-type and softframe goggles and are mainly used in grinding and welding operations. Cover goggles feature the same characteristics like cup-type goggles, but are equipped with a single frame like softframe goggles. They can be worn alone, or over prescription spectacles and enable comfortable wearing. Cover goggles are equipped with a lift-front cover, where a second pair of protective lenses can be placed. Cover goggles are vented either by baffle-type slots in order to keep out metal splash, light-rays, sparks, and similar hazards, or directly by perforations inside the frame. 2.4 Softframe Goggles Softframe goggles are one-piece moulded of specially computed vinyl. They are designed for use in all types of industry, workshops and laboratories to help protect eyes from the impact of flying particles, chemical splash and/or intense glare. Their soft, pliable vinyl frames are designed with flush sides and indented temple areas to effectively fit facial contours. The extra large, one-piece lens provides a wide, undisturbed field of vision. Softframe goggles are lightweight and enable comfortable wearing. Their material will not discolour with age, soften at elevated temperature, or get brittle when exposed to cold. These goggles can be worn alone or over prescription spectacles and are available with a choice of frame styles, such as welding and grinding goggles, chemical splash goggles and so on. In order to avoid fogging softframe goggles need ventilation. Please pay attention to the type of ventilation required according to your special working conditions! The following types of softframe goggles are available: ➤ With direct ventilation Accomplished by perforations or ports in the frame ➤ With indirect ventilation Accomplished by baffle-type slots behind the side shields, or on the top of the goggles. They keep out light rays, sparks, or metal splash, thus fog inhibiting action is achieved without possibility of radiation burns to the eyes. ➤ Without ventilation Against gases, vapours, acids and alkaline solutions, whenever minute levels of inward leakage would be dangerous to the worker‘s eyes. 3.0 Choose the proper protective lenses according to your specific working conditions Basically, three materials for lenses are available: 3.1 Glass Lenses Glass lenses are available in two qualities: ➤ Standard Lenses They are manufactured of solid, ophthalmic glass and are not toughened lenses. Standard lenses are available either clear, or with a green or smoke tint in 16

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