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ROTASIN Kunststofftechnik GmbH
Germany
Injection Molding: High-volume plastic production and overmolding
Rotational Molding: Hollow plastic parts formed by rotating heated molds

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ROTASIN Kunststofftechnik GmbH is a German custom manufacturer specializing in the rotational molding (rotational sintering) of thermoplastic hollow bodies and components. Founded in 1995 and based in Märkisch Linden near Berlin, ROTASIN operates as a second-generation family-owned enterprise supplying custom plastic solutions engineered and manufactured in Germany.

Operating multiple carousel rotational molding systems, the company provides full lifecycle support from CAD engineering and tool procurement through series production and assembly. ROTASIN acts as a Tier-1 supplier to major industrial clients across vehicle construction, agriculture, medical technology, and water treatment sectors.

Offer

ROTASIN provides full contract manufacturing services for hollow plastic products via rotational molding, including post-processing and system assembly:

  • Rotomolding Machinery: 4 carousel rotational molding machines from RotoSpeed and Polivinil, featuring oven diagonals of up to 4 meters for small to large-volume components.
  • Materials Processed: Polyethylene (PE) and Polypropylene (PP) thermoplastic powders.
  • Product Portfolio: Hydraulic oil tanks, fuel containers, fluid vessels, vehicle paneling, protective housings, play structures, and technical storage units.
  • Secondary Finishing: Deburring, trimming, aperture cutting, flame smoothing (Flammglätten), installation of threaded brass/metal inserts, customized labeling, and subassembly integration.

Tags

rotational molding
polyethylene
rotomolding
polypropylene
plastic tanks
rotationsguss
hollow plastic parts
Industrial Specializations: Injection Molding: High-volume plastic production and overmolding and Rotational Molding: Hollow plastic parts formed by rotating heated molds
Headquarter/main address: Temnitz-Park-Chaussee 28
Märkisch Linden
Brandenburg 16818
Germany
Get Directions
https://www.rotasin.com
Business Type: Custom Manufacturer
Ownership: Family-owned
Employees: 10 - 49
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