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Q What is the oxygen transmission rate of high-barrier materials?
A The oxygen transmission rate of corn retort bags can be as low as 0.4%, effectively delaying the loss of nutrients.
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Q What is the role of Anti-fog film in food packaging?
A It prevents condensation fog from affecting product visibility, commonly used in fresh fruit and vegetable packaging to enhance shelf appeal.
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Q Does food packaging support customized design?
A Yes, the company provides functional customization (such as easy-tear openings, high transparency, anti-fog films) and structural design (such as stand-up pouches and dual-chamber partition bags).
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Q How does the company address the environmental issues of packaging materials?
A It develops recyclable materials (such as GRS-certified products) and explores degradable material technologies to reduce the use of traditional plastics.
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Q What are the advantages of the eight-side sealing technology for soybean nipple bags?
A The eight-side sealing design allows the bag to stand upright for better display, while maintaining a soft touch. It passes a 4-meter drop test 6 times without breaking and ensures stable sealing performance.
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Q What is the high-temperature resistance of Corn Retort Bags?
A Made of high-barrier PET/PA/RCPP materials, they can withstand high-temperature retorting at 121℃ for 40 minutes, supporting direct heating via microwave or boiling without unpacking.
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Q How does the fresh-keeping micro-perforated packaging for fruits and vegetables extend food shelf life?
A By precisely controlling the micro-perforations in the film to regulate water evaporation and gas exchange, and adding active materials (such as antimicrobial agents and ethylene absorbers), it inhibits microbial growth and prolongs freshness.
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Q Are the company's food packaging products internationally certified?
A Yes, certifications include ISO22000 (Food Safety Management), ISO9001 (Quality Management),BRC and GRS, among others.
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Q Who are the main customers of the company's food packaging?
A Cooperative clients include global renowned enterprises like Nestle and SAMSUNG, with services provided to over 35 Fortune 500 companies.
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Q What are the core advantages of Jiangsu Sunkey Packaging in the food packaging field?
A The company focuses on market-oriented innovation, holds over 130 R&D patents, provides food packaging solutions with high barrier, freshness preservation, and high-temperature resistance, and has obtained international certifications such as ISO22000 and BRCGS.
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Q Sustainability & Responsibility
A Driven by sustainability goals, eco-friendly packaging has evolved from a "nice-to-have" to a "must-have." Biodegradable materials (e.g., PLA polylactic acid, straw fiber) decompose naturally, reducing soil pollution. Recyclable single-material packaging (e.g., all-PE film, paper-based composites) streamlines recycling processes, transforming packaging from "single-use waste" into "resource circulation hubs." This shift underscores brands' commitment to environmental stewardship and long-term ecological responsibility.
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Q Consumer Experience & Innovation
A Modern packaging serves not just as a container but as a communication tool between brands and consumers. Creative visual designs leverage color, patterns, and branding to attract attention and reinforce product identity. For family use, safety features like child-resistant locks and tamper-evident closures minimize risks. User-friendly designs—including pre-scored tear strips, one-handed opening mechanisms, and customizable portion sizes (e.g., travel-friendly pouches)—enhance convenience. Transparent "window" panels further build consumer trust by showcasing product quality while meeting portion control demands.
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Q Safety & Practicality
A The primary task of food packaging is to ensure food safety and quality stability. By utilizing high-barrier materials (such as aluminum foil, EVOH, and coated composite materials), we achieve lightweight design while effectively blocking oxygen, moisture, light, and other external factors. This prevents oxidation, spoilage, or clumping, extending shelf life. Additionally, practical details—like precision-cut easy-tear openings, reliable leak-proof seals, and temperature resistance for refrigeration or microwave use—are integrated to ensure safety and convenience throughout the supply chain from factory to table.
