plastic size reduction Articles

  • Size-reduction of thermoplastics reinforced by long and continuous filaments

    Material utilization of thermoplastics reinforced by long and continuous filaments to produce high-value, long-filament reinforced extrusion components requires a gentle size-reduction of the materials to be utilized into lumps of grinding stock in order to achieve a large as possible filament length. The properties of the components to be produced out of this grinding stock are determined by the ...


  • Size Reduction of Technical Plastics– Two-Stage Operations more Efficient than Single-Stage

    At HKR Kunststoffe GmbH in Langenbeutingen, technical plastics such as ABS, PBT, PC, POM, but primarily PA 6, PA 6.6, PA 12, PPA, LCP, etc. – particularly glass fibre reinforced types – are processed into high-grade regranulate. These materials accumulate as production waste in the plastics processing industry in the form of start-up chunks, sprues, rejects, etc. They are treated in two-stage ...


  • Size reduction of massive purgings start-up lumps, rubber bales, fibre, massive profiles

    Neue Herbold SM series granulators are specially designed for all universal types of applications. Through simple modification the SM series granulators can be used for size reduction of: - massive start-up lumps - massive purgings - massive profiles - general plastic scrap with extremely wall thicknesses - voluminous hollow parts such as containers and ...

  • Size reduction of thin films (BOPP / BOPET etc.), heat sensitive materials, tapes, etc.

    NEUE HERBOLD SMV series granulators are specially designed for all universal types of applications. Through simple modification the SMV series granulators can be used for massive start-up lumps and purgings, massive profiles and general plastic scrap with extremely wall thicknesses. Also size reduction of voluminous hollow parts such as containers and crates. The SMV series is designed for ...

  • A cut above - a sanitary rotary cutter-crusher solves a pharmaceutical product company`s size reduction problem

    A sanitary rotary cutter-crusher solves a pharmaceutical product company's size reduction problem. "We make this pharmaceutical product that ends up being big bricks of tough, brittle material", says the blending team leader of a growing pharmaceutical products company, "and we couldn't reduce it to the size it needed to be. I can't even begin ...

  • A cut above - A sanitary rotary cutter-crusher solves a pharmaceutical product company`s size reduction problem

    "We make this pharmaceutical product that ends up being big bricks of tough, brittle material", says the blending team leader of a growing pharmaceutical products company, "and we couldn't reduce it to the size it needed to be. I can't even begin to tell you how frustrating it was." The team leader is discussing the problem his company had with one of its key products, a bulk sweetener ...

  • Plastics Separation in Compost

    Untitled Document Operators say their number one contamination problem is plastic - small, large and in-between - in the compost ...


    By BioCycle Magazine

  • Plastics Separation In Compost

    Operators say their number one contamination problem is plastic small, large and in-between - in the compost feedstock and thus in the end product. New study and equipment offer some excellent solutions. An air separation unit from Hawker Corp. is attached to the outfeed conveyor of a screen. Plastic is collected in a tube sock (inset) attached to the fan assembly. PRESSURE in Europe to increase ...

  • Operator Strategies : Sorting Out the Plastic

    BETTER BUGS Ideas and products in the Better Bugs category attempt to affect the biological components and biochemistry of processes by altering the mix of microorganisms or enzymes present. After all, biology is the foundation of many, if not most, organics recycling systems. Pyrophiles: The first example of Better Bugs involves pyrophilic organisms, bugs that can take the heat. This example is ...


    By BioCycle Magazine

  • Economical: Two-Stage Grinding of Valuable Plastic Waste

    Until now large cutting mills with high drive performances have been used for the single-stage crushing of large and heavy pipes, bulk plastic products etc. This leads to high investment volume, high sound emissions, frequent blade changes, high energy and personnel costs, among other things. On the other hand, two-stage crushing enables plastic processing companies to economically process ...


  • `Hyperwaste Reduction` :Organics Recycling May Get Digested Look In Iowa

    CEDAR RAPIDS — with active support from the Iowa Department of Natural Resources (DNR) — is optimistic about its new strategy to expand organics recycling. Under the leadership of executive director Dave Hogan, the Bluestem Solid Waste Agency, which serves the Cedar Rapids region, is presently composting 118,000 tons/year of yard trimmings and paper/pharmaceutical sludges. But Hogan is convinced ...


    By BioCycle Magazine

  • Effects of deformation and physical aging on nano-scale free volumes in polycarbonate studied by positron annihilation lifetime spectroscopy

    Positron annihilation lifetime spectroscopy (PALS) has been employed to measure the variation of free volume hole parameters in poly(carbonate) (PC) after plastic deformation below the glass transition temperature (Tg). Changes in nano-scale free volume holes (Vh) and in their fraction (%fv) due to plane-strain and uniaxial compression and aging time were investigated at temperatures below Tg. ...


    By Inderscience Publishers

  • Clay Lumps under Simulated Hydraulic Transport Conditions

    Laboratory experiments with compacted kaolinite-bentonite mixtures indicate that degradation of hydraulically transported clay lumps in a dredge pipeline can be predicted and controlled to some extent. The size reduction of these lumps depends not only on the length of the pipeline but also on the density of the clay being dredged, the plasticity index (PI) of the clay, and the velocity of the ...


    By ASTM International

  • Dual Shaft Shredder

    ¡Dual shaft shredder for plastics/rubber scrap or other solid waste recycling. Harden double shaft shredder are being used for the recycling of plastic film, woven sacks, plastic drums, used computer and office machines, as well as wooden pallets. Harden Industries also supplies custom made ...


    By Harden Industries Ltd.

  • New for old – the film cycle case study

    Plastic belongs, among glass, paper and aluminum, to the most common materials when it comes to recycling. Hammerl, headquartered in Gemmrigheim (Germany) proves impressively how profitable and resource-friendly it is to recover PE film. For a year now, the company is capable of producing its own PE granulate from film scrap by using the most modern size reduction equipment. This granulate can ...


    By WEIMA

  • Shredder for solid and thick-walled profiles and pipes

    NEUE HERBOLD Maschinen- und Anlagenbau GmbH, Sinsheim, (www.neue-herbold.com), extends their machinery range by a new 4-shaft shredder with force feeding system. The 4-shaft shredder type HZR 1300/4 is able to size-reduce solid chunks and start-up lumps, as well as thick-walled profiles and pipes up to a diameter of 1200 mm x 1200 mm and up to a length of 6000 mm. The size ...

  • Neue Herbold - Hammermills

    Neue Herbold HM series hammer mills offer flexibility in their application range. Through the installation of material oriented rotor milling hammers tools various types of brittle plastics such as electronic scrap, wood scrap, and organic insulation material (glass-wool, stone-wool,...) Advantages - flexibility in their application   range ...

  • Sorption of polycyclic aromatic hydrocarbons to polystyrene nanoplastic

    Microplastic has become an emerging contaminant of global concern. Bulk plastic can degrade to form smaller particles down to the nano‐scale ( ...


    By John Wiley & Sons, Ltd.

  • NEUE HERBOLD Hammer Mills

    NEUE HERBOLD HM series hammer mills offer flexibility in their application range. Through the installation of material oriented rotor milling hammers tools various types of brittle plastics such as electronic scrap, wood scrap, and organic insulation material (glass-wool, stone-wool,...)Advantages- flexibility in their application   range - heavy duty design- reduced space ...

  • Megawatt out of chips

    König + Neurath AG, one of the leading European office furniture manufacturers, in Karben near Frankfurt/Main besides other materials process derived timber products such as chipboards and multiplex boards to produce office furniture for nearly any furnishing purpose. The resulting wood residues are not discharged but processed to become combustible by means of which the complete heating and ...


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