Search results
Results from the WOW.Com Content Network
Paper straws are in demand as a sustainable alternative to plastic straws, and they are made by a different manufacturing process. Plastic straws are typically made from polypropylene, but paper straws are made from layers of food-grade paper bonded together with water-based or hot melt adhesives, using gum powder and packing materials.
South African Pulp and Paper Industries Limited was founded in 1936. [9] The company is now known as Sappi and is headquartered in Johannesburg, [10] [11] It produces and sells commodity paper products, pulp, dissolving pulp, and forest and timber products for Southern Africa and export markets. [12]
A major polycarbonate market is the production of compact discs, DVDs, and Blu-ray discs. [13] These discs are produced by injection-molding polycarbonate into a mold cavity that has on one side a metal stamper containing a negative image of the disc data, while the other mold side is a mirrored surface.
Global production in 2022 was estimated to be in the region of 10 million tonnes. [8] BPA's largest single application is as a co-monomer in the production of polycarbonates, which accounts for 65–70% of all BPA production. [9] [10] The manufacturing of epoxy resins and vinyl ester resins account for 25–30% of BPA use.
A converter is a company that specializes in modifying or combining raw materials [1] such as polyesters, adhesives, silicone, adhesive tapes, foams, plastics, felts, rubbers, liners and metals, as well as other materials, to create new products. Materials such as paper, plastic film, foil and cloth often are produced in long, continuous sheets ...
International Paper is the world's largest pulp and paper maker. Paper mill Mondi in Slovakia. The pulp and paper industry comprises companies that use wood, specifically pulpwood, as raw material and produce pulp, paper, paperboard, and other cellulose-based products. Diagram showing the sections of the Fourdrinier machine
African Champion Industries, previously called Super Paper Products Co. Ltd., is a Ghana and manufacturing company involved in the production of toilet paper. [1] [2] They are listed on the stock index of the Ghana Stock Exchange, the GSE All-Share Index. The company was established on May 23, 1967.
Manufacturing engineering is the field of engineering that designs and optimizes the manufacturing process, or the steps through which raw materials are transformed into a final product. The manufacturing process begins with product design, and materials specification. These materials are then modified through manufacturing to become the ...