These casings are made of synthetic thermoplastic materials. Suitable materials are polymamide(PA), polyethylene(PE), polypropylene(PP), polyvinylidenchloride(PVDC) and polyester(PET).

Material	PVDC polyamide	Features	High oxygen barrier property&water resistance
Size	Flat width: 30-350mm, Gauge: 20-60μ
Color	Transparent or nontransparent with red, white, blue, green, as your request
Usage	Packaging for sausage, ham, cheese etc. Used for high frequency welding machine.
Processing	Soak for 5minutes in cold water(approx 18-25℃)or be filled dry developing on the applications.
Printing	as requirement		Samples: available
Packing	Inside PE plastic bag, outside carton box
Advantage	Good diameter consistency. Good barrier properties prevent loss of flavour. Extremely strong in filling and clipping, suitable for all clipping products.