PVC Packaging

For more than half a century, PVC or vinyl has been used on a global basis to meet specific functional food and beverage packaging needs. It suits many different food types, offering good clarity and physical properties, including heat tolerance, controllable gas and moisture vapour transmission capabilities and sealing performance.

Benefits of using PVC as packaging material

  • Durable, dependable, light weight and strong.

  • A naturally clear resin that is resistant to oils and provides an excellent barrier to most gases.

  • Offers excellent resistance to strong acids, bases and to many organic solvents

  • An excellent choice for salad dressings, mineral- and cooking oils, vinegars and honey, as well as for shampoos and cosmetic products.

Size of the PVC packaging market in South Africa

Only 12,600 tonnes (or 9 %) of the locally consumed PVC goes into packaging such as bottles, thermoformed punnets, blister packs, clingfilm and other flexible packaging. Although a small volume polymer packaging material, it is important to note that it has very specific and necessary application values. All of these vinyl products are recyclable, in high demand by recyclers and help to reduce the amount of energy and raw materials needed to produce new products.

Various uses and applications

Other rigid vinyl packaging applications include tamper-resistant packaging such as used for over-the-counter medications, blister packs and clamshells typically used for cellphone simcards. Flexible vinyl is used as packaging around consumer products or food grade quality clingfilm owing to the fact that it has a very low permeability to water vapor and oxygen and therefore helps to preserve the freshness of food.

Cling Film

PVC (vinyl) cling film has been widely and commercially used since the 1950’s to wrap and protect foods such as vegetable, fruit, meat, biscuit, etc. It offers a high clarity, puncture resistant packaging solution that keeps food fresher for longer, allows for quick, visual identification and has literally revolutionised the food industry. PVC cling film is food grade and manufactured from polyvinyl chloride and is available in various thicknesses, widths, and specifications.

Cling film is one of the vinyl products that is frequently criticised with health concerns over migration levels, use of harmful substances etc. In an effort to address these issues SAVA has launched a Cling film Compliance Framework (VCCF) which applies to raw material suppliers, intermediate compounders, converters or film manufacturers and distributors and importers to wholesale and retail market.

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