50cm wide plastic film Strong tensile force, good self-viscosity, good toughness
50cm wide protective film The Wrapping film and retraction are good, and the stability and tightness of the product can prevent the movement and mutual dislocation of the product during transportation
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50cm wide protective film The stretch ratio of the wrapping film has many effects on the packaging effect, as follows:
Fixedness
50cm wide protective film 50cm wide plastic film Low stretch ratio: When the stretch ratio of the wrapping film is low, the binding force applied to the goods is small. During the packaging process, the wrapping film cannot fully fit the surface of the goods, especially for irregularly shaped goods, gaps and looseness are prone to occur. During transportation and handling, the goods may shift, shake or even scatter, and the stability of the goods cannot be guaranteed.
50cm wide protective film High stretch ratio: When the stretch ratio is appropriately increased, the wrapping film can produce a greater retraction force, thereby tightly wrapping the goods, squeezing the goods against each other, reducing the space for relative movement, and improving the overall tightness of the goods. For heavier or larger goods, a wrapping film with a high stretch ratio can better fix the goods on the pallet or transportation equipment to prevent the goods from shifting due to bumps, collisions, etc. during transportation.
Protectiveness
50cm wide protective film Low stretch ratio: A low stretch ratio means that the coverage density of the wrapping film is relatively low, and it cannot tightly cover the surface of the goods. External dust, moisture, water, etc. are more likely to enter the packaging, causing pollution or damage to the goods. For example, for electronic products or metal products that are susceptible to moisture, the surface of the product may rust, the electronic components may be damaged, and other problems may occur.
50cm wide plastic film High stretch ratio: A high stretch ratio allows the wrapping film to adhere more closely to the surface of the goods, forming an effective protective barrier, which can better block the erosion of the goods by external factors such as dust, moisture, and ultraviolet rays, improve the moisture-proof, dust-proof, and sun-proof properties of the goods, extend the storage period of the goods, and protect the quality and appearance of the goods.
Buffering
50cm wide plastic film Low stretch ratio: When a wrapping film with a low stretch ratio is impacted by external forces, its own elasticity and deformation capacity are limited, and it cannot effectively absorb and disperse the impact force, and its buffering protection effect on the goods is weak. When the goods are collided or dropped, they may not be fully protected, resulting in damage to the goods.
50cm wide plastic film High stretch ratio: A wrapping film with a higher stretch ratio usually has better elasticity and flexibility. When subjected to external forces, it can absorb part of the impact force through its own stretching and deformation, play a certain buffering role, reduce the direct impact of external forces on the goods, and reduce the risk of damage to the goods due to collisions, vibrations, etc. during transportation and handling.
