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Anti-fog cross-linked shrink film is a specialized type of plastic film used for packaging that is treated to prevent the condensation of water in the form of small droplets on its surface, which can obscure visibility. The anti-fog properties are especially beneficial for products that are refrigerated or exposed to varying temperatures, ensuring that the contents remain visible at all times. This is crucial for consumer satisfaction in food packaging, where seeing the product is often an important part of the purchasing decision.
Cross-linking refers to a chemical process that bonds the polymer chains in the film, enhancing its strength, durability, and thermal stability. This process makes the film more resistant to tearing, punctures, and high temperatures, which is particularly important during the heat sealing process of packaging and when the packaged products are subjected to harsh shipping and handling conditions.
The combination of anti-fog properties and cross-linking technology results in a shrink film that not only maintains product visibility under condensation-prone conditions but also offers superior protection and product integrity throughout the product's shelf life and distribution cycle. This type of film is commonly used for perishable food items, such as meats, vegetables, and dairy products, to keep them fresh while providing a clear view of the product to consumers.
TEST ITEM | UNIT | ASTM TEST | TYPICAL VALUES | |||||
THICKNESS | mic | 12 | 15 | 19 | 25 | 30 | ||
MD/TD | MD/TD | MD/TD | MD/TD | MD/TD | ||||
Tensile Strength | N/mm | D882 | 130/125 | 135/130 | 135/130 | 135/130 | 135/130 | |
Elongation | % | 125/120 | 125/130 | 130/140 | 130/140 | 135/140 | ||
Tear | g | D1992 | 12.0/13 | 13.5/14.5 | 17.5/18.5 | 27/26.5 | 31/32 | |
Seal Strength | N/mm | F88 | 1.12/1.13 | 1.25/1.4 | 1.4/1.60 | 1.65/1.7 | 1.95/2.1 | |
COF Dynamic(Film to Film) | D1894 | 0.22 | 0.22 | 0.24 | 0.25 | 0.24 | ||
Haze | % | D1003 | 2.10 | 2.70 | 2.90 | 3.80 | 4.40 | |
Clarity | D1746 | 98.0 | 97.0 | 96.0 | 95.0 | 92.0 | ||
Gloss@45deg | D2457 | 84.0 | 86.0 | 83.5 | 81.5 | 81.0 | ||
Oxygen Transmission Rate | Cc/m2/day | 10300 | 9500 | 6200 | 5400 | |||
Water Vapor Transmission Rate | Gm/m2/day | 34.5 | 29 | 22 | 15.5 | |||
Free Shrinkage | 100 | % | D2732 | 26/25 | 25/30 | 23/27 | 22/26 | 20/25 |
120 | 62/65 | 60/62 | 57/59 | 54/58 | 53/54 | |||
130 | 72/75 | 70/72 | 65/67 | 63/65 | 61/62 |
Anti-fog cross-linked shrink film is a specialized type of plastic film used for packaging that is treated to prevent the condensation of water in the form of small droplets on its surface, which can obscure visibility. The anti-fog properties are especially beneficial for products that are refrigerated or exposed to varying temperatures, ensuring that the contents remain visible at all times. This is crucial for consumer satisfaction in food packaging, where seeing the product is often an important part of the purchasing decision.
Cross-linking refers to a chemical process that bonds the polymer chains in the film, enhancing its strength, durability, and thermal stability. This process makes the film more resistant to tearing, punctures, and high temperatures, which is particularly important during the heat sealing process of packaging and when the packaged products are subjected to harsh shipping and handling conditions.
The combination of anti-fog properties and cross-linking technology results in a shrink film that not only maintains product visibility under condensation-prone conditions but also offers superior protection and product integrity throughout the product's shelf life and distribution cycle. This type of film is commonly used for perishable food items, such as meats, vegetables, and dairy products, to keep them fresh while providing a clear view of the product to consumers.
TEST ITEM | UNIT | ASTM TEST | TYPICAL VALUES | |||||
THICKNESS | mic | 12 | 15 | 19 | 25 | 30 | ||
MD/TD | MD/TD | MD/TD | MD/TD | MD/TD | ||||
Tensile Strength | N/mm | D882 | 130/125 | 135/130 | 135/130 | 135/130 | 135/130 | |
Elongation | % | 125/120 | 125/130 | 130/140 | 130/140 | 135/140 | ||
Tear | g | D1992 | 12.0/13 | 13.5/14.5 | 17.5/18.5 | 27/26.5 | 31/32 | |
Seal Strength | N/mm | F88 | 1.12/1.13 | 1.25/1.4 | 1.4/1.60 | 1.65/1.7 | 1.95/2.1 | |
COF Dynamic(Film to Film) | D1894 | 0.22 | 0.22 | 0.24 | 0.25 | 0.24 | ||
Haze | % | D1003 | 2.10 | 2.70 | 2.90 | 3.80 | 4.40 | |
Clarity | D1746 | 98.0 | 97.0 | 96.0 | 95.0 | 92.0 | ||
Gloss@45deg | D2457 | 84.0 | 86.0 | 83.5 | 81.5 | 81.0 | ||
Oxygen Transmission Rate | Cc/m2/day | 10300 | 9500 | 6200 | 5400 | |||
Water Vapor Transmission Rate | Gm/m2/day | 34.5 | 29 | 22 | 15.5 | |||
Free Shrinkage | 100 | % | D2732 | 26/25 | 25/30 | 23/27 | 22/26 | 20/25 |
120 | 62/65 | 60/62 | 57/59 | 54/58 | 53/54 | |||
130 | 72/75 | 70/72 | 65/67 | 63/65 | 61/62 |