Binks 460 for Cold-End Coating during Glass Container Production
With ever increasing line speeds during the glass container production and bottles becoming increasingly lighter, there is a definite necessity for surface treatment. Glass containers are usually cold-end coated to protect the product (i.e. higher scratch
resistance) and to lubricate the container allowing them to move smoothly, without damage and with high-speed handling equipment. Here the automatic spray gun Binks 460 has become well established.
When cold-end coating was introduced to the market, many different materials were used such as soaps, waxes (including beeswax), stearates, silicones, glycerides, and oleic acid. Today, water-based polyethylene emulsions are a common choice. These emulsions are usually applied by traversing spray systems. Due to the small and lightweight design (only 200 gram) the Binks 460 automatic spray gun is very suitable to be operated in such cold-end traversing spray systems. Different nozzle sizes (0.5, 0.75, 1.0 and 1.5 mm) are available in order to coat with almost any kind of coating material. In addition, the gun is able to work in a harsh and hot environment, as the “cold-end” is not cold at all, with the bottle temperature ranging from 66 to 177°C [150-350°F].
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