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PET plastic box

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Hip Sing Packaging Products (Shenzhen) Co. Ltd

Hong Kong Email: sales@hipsing.com.hk

Shenzhen Email: hipsing@21cn.com
Hong Kong Website: www.hipsing.com.hk
Shenzhen Website: www.hipsing.cn

Shenzhen Website: en.hipsing.cn

PP packing box

PP packing box

  • category:pp packing box
  • Views:Times
  • Release date:2020-03-19
  • Overview

PP packing box is a kind of packing box made of PP material. It can be divided into glossy PP packing box, matte PP packing box, transparent PP packing box, and solid PP packing box.

PP packing box

The characteristics of the material pp of the PP box:

1. Crystal material, low hygroscopicity, prone to melt rupture, easy to decompose after long-term contact with hot metal.

2, good fluidity, but the shrinkage range and shrinkage value is large, easy to shrink holes, dents, deformation.

3. The cooling rate is fast. The pouring system and cooling system should dissipate heat slowly, and pay attention to controlling the molding temperature, the material temperature is easy to be oriented at low temperature and high pressure. When the mold temperature is lower than 50 degrees, the plastic part is not smooth, and it is easy to produce poor welding and flow marks. Above 90 degrees, warping deformation is easy to occur.

4. Plastic wall thickness must be uniform to avoid lack of glue and sharp corners to prevent stress concentration.


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Shenzhen Factory: China. Guangdong. Building 36, Fumin Industrial Zone,

Pinghu Community, Pinghu Street, Longgang District, Shenzhen
Tel: 0755-8467 9866 (8 lines) Fax: 0755-8467 9899
Hong Kong Company: Room 7, 6 / F, Hewlett Centre, 52-54 Hoi Yuen Road, Kwun Tong, Kowloon, Hong Kong
Telephone: (852) 2793 4028 Fax: (852) 2637 7166

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