Sit stand office style have become very popular. Sit Stand Desk is also hot selling nowadays. This series of office sit stand desks are very easy to use and perfect for any height. A good sit stand desk dual motor can minimize the harmful effects of sitting too long for bodies.
The good sit stand desk actually be beneficial to body's health who work on their computers all day.
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Sitting and standing working style alongside taking breaks, getting your legs and spine moving, promotes healthy blood circulation and staying active in general – as well as alternating between sit and stand, these productivity stations can certainly make a difference.
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Key Process Control Links for PET Plastic Bottles
(1) Drying and preheating of PET raw materials: The drying temperature is about 170°C,
Drying time 4h ~ 5h, otherwise affect the mechanical properties, transparency.
(2) injection molding of preform (barrel temperature, injection pressure) - barrel temperature is 280 °C
Left and right, difficult to exceed 285 °C, otherwise easy to produce acetaldehyde, keep the pressure at 0.4 ~ 0.5
MPa, if the pressure is too high, the transparency will be reduced; the preform cooling will be faster, otherwise the transparency will be affected.
(3) preform tempering: temperature requirements 95 °C, the orientation temperature is too low, the bottle stress white,
Overheating bottle crystal mist.
(4) Stretch blow molding: a suitable mold, controlling the draw ratio, controlling the blowing amount,
Holding time, venting before opening the mold.
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