Co-Extruded Multi Layers Tube with EVOH material
Advanced Packaging
Extruded plastic tubes are another type of cosmetic tube, most commonly used for premium image personal care lines and products that must present well on retail shelves such as skin creams and UV sunscreens. By structure they are very similar to the PBL tubes however they are extruded. This process provides a smooth seamless exterior. Co-Ex Tubes are also suitable for foods as well as many pharmaceuticals. Co-Ex Tubes are available in nature (clear), opaque or a huge selection of colors including pearlescent and metallic effects as well as plastic tubes with EVOH protection.
Oxygen Transmission Rates (OTR)
Values for (~ 25.4µm).0%RH, given as [cm3/(m2・day)].
EVOH | 0.4 - 1.5 |
LDPE | ~10000 - 15000 |
HDPE | ~2600 - 3000 |
Cast PP | ~2600 - 3000 |
OPP | ~1500 - 2500 |
OPS | ~1500 - 2500 |
OPET | ~30 - 90 |
Biax Nylon | ~20 - 40 |
EVAc | ~17000 - 19000 |
*The technical information chart is provided by CHANG CHUN PETROCHEMICAL CO., LTD.
- Cut a ring from tube sleeve
- Microscope inspect the thickness of multilayers tube sleeve
Cosmetic Tube Producing Process: Tube Sleeve Extrusion → Shoulder Injection → Printing Decoration → Assembling → Quality Control
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