colored rigid PVC/PVDC
2 year ago
orange coffee composite color PVC sheets for light-sensitive products
PVC 200--400mic/ PVDC 40--120gsm;
PE layer provides high flexibility suitable for hygroscopic products and for use in demanding climate zones
What is PVDC
PVC/PVDC duplex film has much better barrier properties, special against the moisture.
PVDC is polyvinylidene chloride, known for its excellent gas barrier properties against water, oxygen and many gases (aromas).
It also has better corrosion resistance than PVC due to its higher chlorine content and is sometimes copolymerized with PVC to improve its performance.
PVDC is applied as an aqueous coating over the PVC rigid film; its weight is expressed in grams per square meter (gsm or g/m2).
40gsm/ 60gsm/ 90gsm/ 120gsm are common weight for PVDC. Its performances are in proportion to the weight of PVDC coating.
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