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Production Process

PLASTMASTER LLC manufactures caps and PET preforms in PCO 1810 (43.26 g), PCO 1881 (22 g, 24 g, 31.5 g, 33 g, 35.5 g, 42 g) and 38 mm (14 g, 18 g, 25 g) standards in various colors and shades, as well as with barrier additives. We develop customized solutions tailored to the customer’s equipment, ensuring precise compliance with weight and dimensions. The product range is constantly expanding while maintaining consistently high quality.

  • Raw Material Preparation
    1 Raw Material Preparation

    PET granules undergo drying and dehumidification at temperatures up to 180°C to remove moisture.

  • Colorant Addition
    2 Colorant Addition

    Before entering the extruder, the raw material is mixed with colorant, if necessary, using a dosing unit.

  • Injection Molding and Forming
    3 Injection Molding and Forming

    The molten material is injected under pressure into the mold.The forming process consists of three stages — injection, holding, and cooling.

  • Cooling and Microclimate Control
    4 Cooling and Microclimate Control

    The cooling system maintains the required temperature and humidity, preventing condensation.

  • Quality Control
    5 Quality Control

    Each batch of preforms undergoes a strict three-stage quality control process:

    1. Incoming raw material inspection;

    2. Acceptance testing of finished products;

    3. Traceability of each product batch.

    We guarantee the absence of foreign taste and ensure consistent product quality.

  • Packaging and Storage
    6 Packaging and Storage

    Preforms are packed in sealed polyethylene bags and durable boxes. For large batches, we use big bags. All products are secured on pallets and wrapped in protective film, ensuring cleanliness and safety during transportation.

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