Oil medium mold temperature: Operating temperature Tmax = 30-300 ℃, P≥0.2Mpa, PID or a digital control instrument.
Recommendation: the production of plastic bottles of medicinal use water medium mold temperature, to ensure the quality of the bottle to prevent media leaks of oil pollution.
6. mixing, feeding, crushing means
Mixing time controlled (timer), can not be too long and too short to achieve optimum mixing.
Feeding methods recommended toppings, you can use automatic vacuum suction feeding method, but should be used in concentrated masterbatch coloring, prevent excessive dust pollution in the workshop.
Disposal should use low-noise, high efficiency rotary cutter (mainly crushed runner cap injection rack and a small amount of waste bottles), add the amount of recycled materials should be appropriate and reasonable (less than 15% wt), to prevent repeated cycles of degradation performance. Different grades of raw material back to the material must be handled separately (generally bottle resin M · I≤1.0, covered with resin M · I> 5), can not be arbitrarily mixed.
Fifth, the discussion
Pharmaceutical plastic bottle production according to its specific performance, shall:
1. Use "Note - blowing" process to ensure that the bottle flatness, high density, excellent sealing permeability, so as to ensure the stability of charge, to extend the storage period.
2. Use one-step three-position "Note - blowing" molding machines and precision die to ensure the accuracy of the product, so as to achieve high-quality, high yield, high efficiency, low cost, fast return on investment purposes.
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