Market Trends and Alternative Materials
With the increasing global awareness of environmental protection, the market for PVC heat shrink bottle caps is undergoing changes:
1. Environmentally friendly material substitution: More and more brands are seeking more environmentally friendly alternative solutions. The mainstream alternative materials include:
PETG (polyethylene terephthalate 1,4-cyclohexanedimethanol ester) is currently the most ideal alternative. It has excellent shrinkage performance and transparency similar to PVC, but it is chlorine free, recyclable, and more environmentally friendly.
OPS (oriented polystyrene): high transparency, good gloss, recyclable, but brittle and has poor impact resistance.
PLA (Polylactic Acid): A bio based biodegradable material that is the most environmentally friendly, but has a high cost and relatively poor heat resistance and barrier properties.
2. Function integration: Integrate technologies such as QR codes and RFID into bottle caps to achieve multifunctional integration such as anti-counterfeiting traceability and marketing interaction.
In summary, PVC heat shrink bottle caps are an efficient, economical, and aesthetically pleasing anti-counterfeiting packaging solution that has been widely used in multiple industries. However, due to its environmental drawbacks, the market is moving towards using more environmentally friendly and recyclable heat shrink materials such as PETG.
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