Zhejiang Jinglong Car Industry Co., Ltd.
Is the rear trunk made of PP material strong?
Release time:
2024-09-05
PP (polypropylene) material of the rear box has a certain degree of firmness, but relatively speaking has its characteristics.
1. advantages reflect the strong
Good toughness: PP material has a certain degree of toughness, in a certain degree of external impact, such as a slight collision, extrusion, etc., is not easy to break immediately. It can be restored to its original state after deformation within a certain range, which makes it able to withstand some small impacts in daily use.
Strong corrosion resistance: acid, alkali, salt and other chemical substances have good resistance. Under various environmental conditions, it is not easy to be damaged by corrosion, which helps to maintain the structural integrity of the rear trunk and reflects its robustness from another angle.
Fatigue resistance: after many bending, stretching and other stress, fatigue fracture is not easy to occur. In the long-term use process, even if it undergoes frequent opening and closing, loading items and other operations, it can maintain good performance.
Effect of 2. defects on firmness
Relatively low hardness: Compared with some other materials such as ABS (acrylonitrile-butadiene-styrene copolymer), the hardness of PP material is slightly lower. When impacted by a large external force or a sharp object, depressions, scratches or even cracks may occur. For example, in the event of an accidental collision or being hit by a heavy object, the rear trunk of PP material may be more easily damaged.
Low temperature brittleness: in low temperature environment, PP material will become more brittle, its toughness and impact resistance will be significantly reduced. If used in cold weather conditions, the rear trunk may be more susceptible to damage.
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