Food-Safe Packaging Adhesives: Compliance Requirements for Corrugated Boxes

When corrugated boxes are used for food packaging—whether direct contact or secondary packaging—the adhesive must meet specific safety requirements. Understanding these regulations is essential for serving food industry customers.

Why Food Safety Matters for Adhesives:

Even in secondary packaging (boxes around wrapped food), adhesive components can potentially:

• Migrate through paper into food products

• Transfer via direct contact during handling

• Release volatile compounds into enclosed spaces

• Contaminate food through damaged packaging

Major Regulatory Frameworks:

United States (FDA):

• FDA 21 CFR 175.105: Adhesives

• FDA 21 CFR 176.170: Components of paper and paperboard in contact with aqueous and fatty foods

• FDA 21 CFR 176.180: Components of paper and paperboard in contact with dry food

• GRAS (Generally Recognized as Safe) status for ingredients

European Union:

• Framework Regulation EC 1935/2004: General requirements for food contact materials

• Regulation EC 2023/2006: Good Manufacturing Practice

• National regulations (e.g., BfR recommendations in Germany)

• Specific migration limits for certain substances

Other Markets:

• China: GB 9685 (Hygienic Standard for Uses of Additives in Food Containers)

• Japan: JHOSPA (Japan Hygienic Olefin and Styrene Plastics Association) positive lists

• Brazil: ANVISA regulations

• Many countries follow FDA or EU standards

Starch Adhesive Compliance:

Good News: Traditional starch-based corrugating adhesives are generally food-safe:

• Starch is GRAS (corn, tapioca, potato)

• Water is obviously safe

• Borax in small quantities is acceptable

Potential Issues:

• Caustic soda residue (typically not a problem at normal levels)

• Biocides/preservatives (must be food-safe approved)

• Cross-linking agents in water-resistant formulas

• Formaldehyde (avoid for food packaging)

Formaldehyde-Free Adhesives:

Some traditional paper adhesives (especially for paper tubes, corner protectors) historically contained formaldehyde. For food applications:

• Specify formaldehyde-free adhesive

• Request certificates of compliance

• Xuegong's formaldehyde-free series specifically designed for food packaging

Documentation Requirements:

To serve food packaging customers, you need:

1. Declaration of Compliance:

• Statement that adhesive meets specific regulations

• List of applicable standards (FDA, EU, etc.)

• Signed by responsible party

2. Technical Data Sheet:

• Complete composition (may be generic)

• Manufacturing process

• Intended use conditions

3. Migration Testing (if required):

• Overall migration limits

• Specific migration limits for restricted substances

• Testing conditions and food simulants

4. Traceability Records:

• Batch identification

• Raw material sources

• Production records

Best Practices for Food Packaging:

• Use adhesives specifically certified for food contact

• Maintain supplier certificates on file

• Implement Good Manufacturing Practice (GMP)

• Control storage conditions

• Train operators on food safety requirements

• Regular audits and documentation updates

Xuegong Food-Safe Products:

Our following products are designed for food packaging applications:

• Alkali-free adhesive series (food-grade compliant)

• Formaldehyde-free resin adhesives

• Custom formulations to meet specific regional requirements

Contact our technical team for compliance documentation and certificates for your target markets.