Permapack’s guide to commonly used materials

The results of laminating materials together can produce films tailored to provide the ideal pack environment for any application. The following is a short summary of some of the more common types of materials, the benefits they provide, and some indication of their applications.

FRESH MEAT

PET/PE-EVOH-PE
PA/PE
Barrier coated PET/PE
With/without antifog

Excellent gas and moisture barrier, various sealing options available

FRESH FISH

OPA/PE
PA/PE
PET/PE-EVOH-PE
With/without antifog

Excellent gas and moisture barrier, various sealing options available

CHEESE

OPA/PE
PA/PE

Performs very well in vacpacking using a top and base web application or HFFS packing blocks

ETHNIC BREAD

OPA/PE
PET/PE-EVOH-PE

Excellent gas and moisture barrier. EVOH can be added for long life products

SPICES/PULSES

PET/LLDPE
OPP/LLDPE

Excellent strength, can be used for aggressive or powdery spices

INSHELL NUTS

OPP/OPP
PET/PE
OPP/CPP

Good aesthetics, strength and machinability

LIQUIDS i.e.
marinades, sauces, shampoos, solvents

PET/LLDPE
PET/PE-EVOH-PE
PET/FOIL/PE or SURLYN

Film specification depends on how aggressive/viscous the product

BOX WRAPPING i.e.
cigarette packs, cartons, phone cards

High speed OPP
(includes PVDC and acrylic coated OPP)

Superb machine speeds, aesthetics and pack performance

BISCUITS

OPP
PVDC coated OPP
Natureflex NK

Oxygen barrier often needed (PVDC) to prevent rancidity

CRISPS/SNACK FOODS

OPP/OPP
OPP/METOPP

Cost effective material, metallised for barrier