The First Failure Is Usually a Dark Patch
A grease-proof sleeve rarely fails because it cannot hold the food. The first visible problem is usually oil migrating toward the outside surface.
That stain can develop while the sleeve still feels structurally sound. As oil continues through the paper, the grip may become slicker, printed areas can look uneven and the package can appear tired before the customer has finished eating.
Custom Grease-Proof Cone Sleeves therefore need to slow grease transfer for the actual serving period. The requirement is not simply “thicker paper.” Oil resistance comes from the complete material construction and has to match what is being served.
Warm fries, churro pieces, buttered snacks and roasted foods can expose paper differently. Temperature, oil load, seasoning, holding time and direct contact area all affect what the sleeve experiences.
The Custom Cone Sleeves structure supports several handheld serving jobs, while grease-proof construction earns its place when oil migration becomes one of the main reasons for choosing the sleeve.















