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Classification of Molded Pulp Packaging by 3w mr16
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Classification of Molded Pulp Packaging |
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Business
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Because the molded pulp packaging is made from some recycled products like newsprint and paperboard, it can be also called molded paper pulp packaging, which can be made in different shapes to give the goods protection, and it is inexpensive compared with other packaging materials.
Molded pulp has different types, but all of them are molded pulp biodegradable. Thermoformed type has the highest quality, of which the process uses "Cure-In-The-Mold" technology that produces well defined, smooth surfaced molded pulp products. The products are captured in heated forming molds which press and densify them and have the appearance of plastic material after being formed. The products are ejected from the heated molds in their finished state as opposed to being dried in a heated oven. Typical uses for this type are for point-of-purchase packaging and those applications where high definition and appearance are of prime importance.
Transfer molded products are the most prevalent type in use today. Prior to the molding process, the mesh is mated with a vacuum chamber that draws water through the mesh into the chamber, with the mesh mold suspended above a liquid return pool. The process uses vacuum forming and take-off or transfer molds, where the mold is an extremely fine wire mesh in the shape of the upper/exposed surface. The fibrous slurries are frequently made up of a high percentage or entirely of recycled newspaper, which produces a relatively smooth surface on one side and a fairly smooth surface on the opposite side with good accuracy and definition. Typical uses of transfer molded products are for packaging electronic equipment, cellular phones and other household and hardware items.
Thick-wall products are used primarily for support packaging applications. The surfaces are very rough on one side and moderately smooth on the opposite side. Product definition is moderate due to the use of relatively inexpensive single-pass molds and the use of mixed recovered paper and Kraft paper slurries. Typical uses are for edge and edge protector, heavy item packaging, auto replacement parts, molded pulp pallet trays etc.
Shenling Environmentally Friendly Packing Materials Co., Ltd is established in 2005, the entire capital holding company of Guandong Shenling Group, is a leading Chinese manufacturer specializing in researching & developing, manufacturing, and selling biodegradable eco-friendly packaging made from natural annual plant fiber such as sugarcane bagasse,bamboo and etc.
This article comes from:http://www.pulppackaging.net/news/37.htm
Related Articles -
molded paper pulp packaging, molded pulp biodegradable,
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