Unique Plastic Industry Co.,Ltd.

Unique Industry Co., Ltd uses new technology to produce multi-layered bag by using COEXTRUSION, a simultaneous injection process of more than two plastic types through COEXTRUSION DIE under "Clean Room" control.

Able to mix different plastic structures e.g. color, plastic-based barrier, selective barrier, slip resistant for better quality bag.

Plastic-based barrier or selective barrier film is applied in food, pharmaceutical, medical, chemical, and industrial packaging. Barrier structures provide needed protection of contents, while at the same time minimizing the escape of inside constituents. Selective barriers, on the other hand, allow passage of gases and vapors, while barring the passage of liquids.

Advantage
Better bonding between layers

Cost down material

Cost down production

High quality, Specification improvement

PIN HOLE decreasing

AIR HOLE (Bubble between layers) decreasing

Peel-Off decreasing

Humidity storage improvement

Barrier Properities

Cost down

High Productivity by using
DIE design

IBC Internal heat transfer

2-Step Air blowed ring

Osillator

High quality of film by spinning osillator (Osillating Take Off)

MULTI-LAYER BLOWN FILM SYSTEM

Selective Barrier	Characteristics
Moisture barrier	Protection against drying out and loss of weight (if the contents are wet) Protection against moisture absorption (if the contents are dry) Protection against the formation of mold
Oxygen barrier (O2)	Protection against the oxidation of fat and vitamins Protection against microbiological contamination
Carbon dioxide barrier (CO2)	Keeps CO2 in the package (where Modified Atmosphere Packaging (MAP) is used) Protection of products that contain CO2 (fizzy products) High permeability where products produce CO2 (e.g. packaging containing maturing cheese)
Nitrogen barrier (N2)	Keeps N2 in the package (where Modified Atmosphere Packaging (MAP) is used)
Aroma barrier	Protection against loss of aroma (e.g. coffee)
Smell barrier	Protection against leakage of aroma (in, for example, toothpaste or detergents) Protection against sensory changes (migration of smells from external products into the package)
Light protection	Protection against photo oxidation (e.g. with milk) Protection against discoloration when on display (e.g. discoloration of sauces and other similar products)