Chocolate Bar Wrapper

Showroom Guide

When sourcing chocolate bar wrappers, particularly cold seal films, prioritize material composition, sealing integrity, and regulatory compliance.

Food-Grade Certification: Demand proof of FDA, EU (e.g., EC 1935/2004), or equivalent national food-grade certifications for direct food contact materials. This ensures the film does not leach harmful substances into the chocolate.
Barrier Properties: Confirm barrier efficacy against moisture, oxygen, and light. Specify acceptable OTR (Oxygen Transmission Rate) and WVTR (Water Vapor Transmission Rate) to prevent spoilage and maintain product freshness. Request data sheets.
Film Type: Understand the specific polymer (e.g., BOPP, PET, CPP) and its suitability for your product's shelf life and storage conditions. Cold seal films typically utilize cohesive coatings, ensure these are food-safe and won't delaminate or transfer.
Ink & Adhesives: For printed wrappers, verify that all inks and cold seal adhesives are food-safe and migration-tested. Request declarations of conformity.

Sealing Temperature & Dwell Time: For cold seal applications, request optimal sealing temperatures and dwell times compatible with your existing packaging machinery. Inconsistent sealing parameters can lead to production slowdowns and increased waste.
Tensile Strength & Puncture Resistance: Assess film durability to withstand handling, transport, and potential punctures during packaging. Request material specifications including tensile strength and tear resistance.
Roll Specifications: Confirm roll width, diameter, core size, and winding direction are compatible with your flow wrap machines to avoid retooling or line stoppages. Specify consistent roll tension for smooth feeding.
Print Quality & Registration: For custom-printed wrappers, demand high-resolution printing with precise color matching and accurate registration to maintain brand consistency and prevent packaging errors. Request pre-production samples.
Lead Time & Minimum Order Quantity (MOQ): Negotiate realistic lead times and MOQs to align with your production schedule and inventory management. Factor in potential shipping delays.
Supplier Reputation & QC: Review supplier's quality control procedures, certifications (e.g., ISO 9001), and request references or case studies. A robust QC process minimizes defects and ensures consistent product quality.