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FAQ

  • Q Can PVC parts be surface finished?

    A
    PVC can be polished, coated, or painted to  improve appearance and performance.

  • Q Is PVC resistant to chemicals and moisture?

    A
    Yes. PVC offers strong resistance to  c orrosion, chemicals, and humidity.

  • Q Can PVC be machined into precise parts?

    A
    Yes. CNC machining of PVC produces  accurate, reliable components for functional  applications.

  • Q What industries rely on PVC components?

    A
    Construction, medical, electrical, and fluid  handling industries frequently specify PVC.

  • Q What makes PVC a popular CNC machining material?

    A
    PVC combines durability, chemical  resistance, and electrical insulation, making it s uitable for industrial and consumer uses.

  • Q Can EPS be used for structural applications?

    A
    No, EPS lacks mechanical strength and is  intended for insulation, cushioning, and  lightweight non-structural uses.

  • Q Is EPS environmentally sustainable?

    A
    EPS is recyclable, but its low density makes  collection and transportation more difficult  compared to rigid plastics.

  • Q Why is EPS used so widely in packaging?

    A
    Because it combines excellent shock  absorption, lightweight handling, and low  production cost, making it ideal for protective  packaging.

  • Q Does HIPS resist chemicals?

    A
    HIPS offers moderate chemical resistance but  can be degraded by strong solvents or oils.

  • Q Can HIPS be used in medical or food contact applications?

    A
    Yes, when produced with food-grade or  medical-grade certification, HIPS can safely be  used in packaging and healthcare products.

  • Q Why is HIPS often chosen over GPPS?

    A
    Because HIPS offers much higher impact  resistance, making it more durable for  consumer goods and industrial applications.

  • Q Is GPPS recyclable?

    A
    Yes, GPPS can be recycled, though collection  and reprocessing depend on local recycling  facilities.

  • Q Can GPPS be used in outdoor applications?

    A
    Not recommended, as GPPS is sensitive to UV  and weathering unless treated with stabilizers.

  • Q What makes GPPS different from HIPS?

    A
    GPPS is transparent and rigid but brittle, while  HIPS is opaque but offers higher toughness and  impact resistance.

  • Q Can polystyrene be machined into custom designs?

    A
    Yes. CNC machining allows polystyrene to  be shaped, but care is needed due to brittleness.

  • Q How does polystyrene compare to other plastics in cost?

    A
    Polystyrene is one of the most economical  plastics, widely used where cost-effectiveness i s critical.

  • Q What industries use CNC polystyrene parts?

    A
    Packaging, construction, consumer goods,  and disposable medical products.

  • Q Is polystyrene suitable for load-bearing parts?

    A
    No. Polystyrene is lightweight and brittle,  better suited for packaging and insulation than  structural uses.

  • Q What are the main types of polystyrene used in machining?

    A
    GPPS (general purpose), HIPS (high impact),  and EPS (expanded) are the most common  types.

  • Q Can PTFE be machined into precise shapes?

    A
    Yes. CNC machining allows PTFE to be  formed into seals, gaskets, and precision  components.
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