Feed bags are common tools in logistics packaging, primarily used for storing and transporting granular or powdered feed ingredients and finished products. Their core functions include protection against moisture, dust, and damage, while also meeting specific load-bearing requirements. With rising environmental standards and the diversification of logistics scenarios.
Feed bag printing must comply with the following technical specifications:
Ink adhesion: Must pass the GB/T 13217.7-2020 test, with a residual rate of ≥90% after tape peeling.
Color fastness: Rubbing color fastness ≥ Grade 4 (GB/T 3920).
Content requirements: Must include 12 mandatory items, such as the feed name, net content, and production license number.
Printing precision: Registration error ≤0.3 mm; minimum character size ≥3 mm.
Safety standards: Heavy metal content must comply with GB 4806.1-2016; lead content ≤5 mg/kg.