Specially designed for high-end food packaging, the coated black
Kraft Paper Bag is embedded in the front with a high transparency PET transparent window (40%), and the contents are clearly visible. Black kraft paper base material with food grade PE coating process, both
oil and water proof and matte texture, the bottom hem reinforced design to
improve the pressure resistance, perfect for
sandwiches, hamburgers and other food containing sauce portable storage and commercial display needs.? ?
It is made of food grade coated kraft paper, specially designed for sandwiches, hamburgers and other portable food. You can directly see the contents without opening the bag. The size precisely matches the standard sandwich capacity, and the reinforced structure at the bottom of the fold provides stable support, taking into account the oil, moisture and tear resistance. It is suitable for family, food and beverage takeout and supermarket retail scenes.?
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1. Core Specifications and Processes
Physical Parameters
Dimensions: 250mm (height) × 155mm (width) × 72mm (depth), the bottom flange reinforcement structure enhances the load-bearing capacity.
Capacity: Holds 1 standard sandwich (or equivalent).?
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Material composition
Base material: 250g thick black kraft paper (native wood pulp, no fluorescent agent), matte non-slip touch, degradable (degradation cycle of 90 days).
Film coating:?Food grade PE film (single side composite) oil and water proof, resistant to 85℃ high temperature /85% humidity.
Transparent window: Food grade PET film, high light transmittance anti-fog, scratch resistance.?
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Key processes
Lamination and coating: High-temperature pressing technology, preventing oil penetration for over 12 hours.
Hot-pressing edge sealing: Seamless bonding of edges to eliminate leakage risks.
Black dyeing process:?Food grade dyes have no migration risk and pass SGS safety testing.?
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2. Core Advantages
Safety and Certification
In accordance with FDA and GB 4806.8 food contact material standards, with industrial production license.
The black substrate is made of ecological dyes with no risk of chemical residues.?
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Functionally enhanced design
Oil-proof and moisture-proof: PE coating effectively blocks the penetration of sauce, measured oil resistance > 12 hours.
Matte texture: Enhances the premium touch, anti-slip and easy to hold.
Usability: The top easy tear mouth + custom LOGO printing area (support screen printing/hot stamping process).?
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Environmental protection and economy
Kraft paper is biodegradable (FSC certified), black design reduces printing ink consumption and carbon emissions.?
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3. Application Scenarios and Operating Instructions
Typical Application Scenarios
High-end business: Hamburger delivery at boutique coffee shops, sliced bread display at bakeries;
Gift scene: Hotel hand gift, conference tea break packaging;
Household scenarios: Leak-proof storage for picnics, portable for children's meals.?
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Usage Suggestions
Temperature range: -20℃ to 85℃ (Avoid high temperature causing film aging);
Packaging compatibility: Compatible with batch operation of heat sealers (recommended temperature: 120℃-150℃).