Watch our video to see how Hydroplast helps our environment!

Imagine a PLASTIC that was 100% safe for the environment.

By now, we are all aware we need to make a drastic change

to stop our oceans and landfills being filled with plastic

Hydroplast products utilise technological progress to combine the functional capabilities of conventional single use plastics but also offering a safe end of life, causing no harm to the environment. The polymer itself is not new, having been used for years in surgical stitches or laundry tablets, but the commercial production of multifunctional polyvinyl alcohol monolayers is the innovative factor.

The base polymer is polyvinyl alcohol (PVOH) which is a refinery product originally derived from ethylene. Ethylene is converted to vinyl acetate (a very useful chemical, used as a base for many other polymers), which is then polymerised to polyvinyl acetate, and converted to polyvinyl alcohol.

The unique process here is to produce thermo-processable fully hydrolysed polyvinyl alcohol. This PVOH is unusual as a petro derived polymer in that it is hydrophilic (water liking) and has enhanced biodegradation properties. It is well documented as being biodegradable in aerobic (soil, compost, freshwater) and anaerobic (sewerage, some landfills) conditions.

It is important to note that while the current base PVOH polymers are derived from petro refining, the switch to bio-based PVOH, such as from cellulose is imminent. There is no significant manufacturing of the bio-based version due to demand. But as demand grows, the life cycle of our Hydroplast products become more and more renewable.

I wish I could say this was just a stock photo, but this was from a recent day out to the beach in Hong Kong!

CERTIFICATIONS

Compostability/Biodegradation

European Standards

  • EN13432 “Requirement for packaging recoverable through composting and biodegradation” - standard for biodegradable packaging in industrial composting facilities and AD.
    Requires:
    At least 90% disintegration after twelve weeks 90% biodegradation (CO2 evolvement) in six months passing tests on eco toxicity and heavy metal content.
  • EN15985 - an additional standard for AD (mirrors EN13432)
  • EN14995 - same requirements as EN13432 but for all plastics

American Standards

  • ASTM D6400 for biodegradable plastics
  • Home Compostability - Under development– only National Test methods in use
  • Biodegradability in Marine Environments Non clear standard, only guidelines. Vincotte/TNO scheme based on ASTM D7082 for ‘OK biodegradable marine’. Aquapak developing certification.
  • Water Solubility - No clear guidelines. Internal testing under development


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