We deliver a real service so that you are completely satisfied.

We work with various major plastics manufacturers throughout Europe.

  • We learned the business from the bottom up.
  • On-site checks: We gladly check the material quality on your site if you so wish before making you an offer.
  • Our team is agile, dynamic, and can decide swiftly, meaning it responds fast to changing market conditions.
  • We can afford to offer you the best price.
  • We adjust our process and services to our clients and not the other way round.
  • With our folding, space-saving collection containers and mesh boxes we pick up your plastics in a resource-saving manner.
  • We are committed to social and sustainable projects in the region.

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  • A Tree for each buy

    We donate a tree for every collection of leftover plastic.

    We are currently looking

    Even without being able to see the molecular structure, the GRÜNSTOFF team knows exactly which plastic is in front of them. That’s why our buyers regularly visit our suppliers to see the quality for themselves. We are Germany’s leading PC (polycarbonate) recycler, but we also recycle all other engineering plastics.

    Here is an overview of the most important plastics for our applications:


    PC (Polycarbonat)

    Polycarbonate (PC) is chemically speaking a polyester. It possesses a special combination of properties that make it highly versatile: it is highly transparent, has a high heat deflection temperature and impact strength. Its continuous operating temperature lies between –40 and +130 °C, and it can be used for short periods at as high as about +150 °C. However, PC’s abrasion resistance is not great.

    Frequent uses:

    • Optical storage media such as Compact Discs (CD), Digital Versatility Discs (DVD) and Blu-ray Discs
    • Automotive – Side and hatchback windows as well as roof modules
    • Optical components – Lenses and glasses as well as protective sports glasses and visors
    • Construction – Panels for the construction sector, roofing for sports stadiums or railway stations as well as glazing for conservatories and glasshouses


    Have you got polycarbonates ready for collection? We’ll gladly make you an offer:

    To the procurement form

    PC/ABS (Polycarbonat / Acrylnitril-Butadien-Styrol)

    PC/ABS (Polycarbonate/Acrylonitrile Butadiene Styrene) is a blend of PC and ABS (acrylonitrile butadiene styrene). This combination offers both the uniquely good workability of ABS with the great mechanical properties of PC such as impact strength and heat resistance. It is stable at lower temperatures and possesses a high heat deflection. The major names under which PC/ABS is traded are Pulse®, Bayblend® and Cycoloy®.

    Frequent applications:

    • Battery shells
    • Instrument panels
    • Chargers
    • Keyboards


    • Mechanical and automotive engineering – Dashboard panels, chassis parts, spoilers, armrests, consoles, hub caps
    • Electronics – Casings for household appliances and hand tools, TVs, phones and cameras as well as office machines and wristwatch casings
    • Sanitary – Shower, bathtub and kitchen fittings when galvanized, pipes, other fittings
    • Vacuum cleaner casings, electric toothbrushes, toys (Playmobil and Lego), door handles


    Have you got PC/ABS ready for collection? We’ll gladly make you an offer:

    To the procurement form

    PMMA (Polymethylmethacrylat)

    Special plastics that come under the heading of PMMA exhibit medium stability and high rigidity. Their impact strength is six times that of silicate glass. The surfaces are exceptionally hard and can be polished. In other words, they can be highly scratchproof. Moreover, these plastics are highly translucent, absolutely colorless and luminous.

    Frequent applications:

    • Optics – Lenses for spectacles and watch glasses, magnifying glasses, lenses, prisms, diffusing discs, light-conducting fibers/threads and elements, optic storage media
    • Electronics – Flatscreens, TV safety screens, photovoltaic panel elements, switch parts, scales, lighting covers
    • Automotive – Overhead lights in buses, caravan windows, rear lights, rear and indicator light covers, steering wheel surrounds, aircraft glazing
    • Construction – Traffic signs, advertising signs, protective glazing for bank cash desks, sports halls and labs; noise protection walls, luminaires and illuminated ceilings, light domes, tubing for milk, beer and fruit juices; washbasins, bathtubs, bathroom fittings, shower cubicles, WCs
    • Special uses – Models, liquid level displays, protective glazing for machines, goods automats, measuring devices and drawing utensils, cast resins for molding sensitive display items (biological specimens), dental fillings and prosthetics


    Have you got PMMA ready for collection? We’ll gladly make you an offer:

    To the procurement form

    POM (Polyoxymethylen)

    POM is a typical technical Thermoplastic with good mechanical properties and high dimensional stability as well as outstanding gliding and abrasion behavior. As a result, it is a preferred construction material, e.g., for precision parts in precision engineering; in particular there are many applications in the field of snap fasteners. POM Thermoplastics also possess a good resistance to many chemicals.

    Frequent applications:

    • Mechanical engineering, automotive – Cogs, micro-gears, switchgears, bearing races; parts of tank caps, fuel pumps and carburetors, loudspeaker grilles (auto); snap and spring elements; parts and casings for water pumps, valves, fittings, screws, nuts, clockwork bearings
    • Electronics – Precision parts for phones, radio, TV and audio playback sets, fax machines, copiers
    • Packaging – Spray cans, gas lighters, gas cartridges
    • Construction and furniture – Fittings, hinges, door and window handles, connectors for garden hosepipes
    • Hooks, zip fasteners, ski binding parts, slot-on toothbrushes, toys


    Have you got POM ready for collection? We’ll gladly make you an offer:

    To the procurement form

    PA (Polyamide)

    Thanks to its strong mechanical rigidity, polyamides have replaced many metal parts in automotive construction, which is where they are most used. The plastics are largely made into fibers. They are one of the most important types of Thermoplastics. The tough materials are highly stable and rigid, have a high impact strength and low wear-and-tear.

    Frequent applications:

    Automotive – Light casings, rigid fuel lines and tanks, accelerator and clutch pedals, shock absorbers, chassis parts

    Electronics – Electrical tool casings, casing material for electronic components, filter and pump casings, special seals and drive belts as well as bearings

    Precision mechanics – Cogs, rollers, screws and nuts, filter textiles


    Have you got PA ready for collection? We’ll gladly make you an offer:

    To the procurement form

    ABS (Acrylnitril-Butadien-Styrol)

    ABS is an amorphous, thermoplastic standard plastic with countless favorable mechanical properties. Moreover, it is chemically stable, too. It consists of three components: the monomers acrylonitrile (15 – 35 %), butadiene (5 – 30 %) and styrene (40 – 60 %). The plastic’s properties can be controlled precisely by changing the mixing ratio.

    ABS is easy to glue, weld and machine cut. The plastic is ideal as a backing for coatings with polymers or metals (chromed surface of a plastic component). It absorbs little water and has very good mechanical absorption as well as outstanding sound absorption properties.


    Frequent applications:

    • Mechanical and automotive – Dashboard panels, chassis parts, spoilers, armrests, consoles, hub caps, boat hulls
    • Electronics – Casings for household appliances and hand tools, TVs, phones, deep freeze and refrigerator units, fans, cameras as well as office machines and watch casings
    • Sanitary – Galvanized shower, bathtub and kitchen fittings, pipes, fittings
    • General: Vacuum cleaner casings, spectacle frames, electric toothbrushes, toys (Playmobil and Lego), door handles


    Have you got ABS ready for collection? We’ll gladly make you an offer:

    To the procurement form

    PET (Polyethylenterephthalat)

    his material actually celebrated its 75th anniversary back in 2016.

    Polyethylene terephthalate became known through beverages bottles. In the early 1970s, PET-bottles started to be used for soft drinks. Unlike glass bottles, PET does not break, weighs less, and is easier to handle. PET fibers are now manufactured from recycled PET bottles. The material meets the stringent legal criteria as a packaging material for food and drinks.

    The lion’s share of PET bottles produced in Germany are sent to China after use where they are turned into polyester fibers for fleece materials. In the textile industry, the latter is truly crucial: Several million tons of recycled PET are processed globally each year.


    Frequent applications:

    • Bottles – Blown bottles for beverages
    • Textiles – Fleece materials, functional sports clothing
    • Geotextiles – Civil engineering, water transport, and transportation construction
    • Media material for photographic films and magnetic tapes, write-on films, adhesive tapes and electrical insulation foils
    • Cogs, rollers and furniture fittings and fibers


    Have you got PET ready for collection? We’ll gladly make you an offer:

    To the procurement form