Different barrier materials pros and cons:
PVDC:good oxygen barrier and moisture barrier ability, chloride can generate toxic gas.
EVOH:good oxygen blocking property and water vapor barrier property,easy to moisture absorption and poor heat sealability.
PA:good oxygen insulation ability and mechanical attribute,poor water blocking attribute.
PET/PEN:high oxygen and water barrier and anti puncture,high price.
JHG Barrier Stretch/Shrink bag
JHG's barrier film&bags are based on PA/PE or EVOH etc.materials. They are available of different sizes for a wide range applications and packaging requirements. All films have been tested by SGS according to REACH, FDA standards etc., and meet the FOOD GRADE regulations of contacting directly with foods.