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"KURARAY POVAL FILM" is a highly safe product.
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- It is based on PVA, a raw material that is non-toxic to humans.
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"KURARAY POVAL FILM" has few disposal-related problems
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- When incinerated, it releases quite few dioxins or toxic precursors to acid rain.
- Furthermore, it generates only half the heat of combustion of polypropylene or polyethylene when burned, and thus does not damage incinerating facilities so much.
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Reference: Gases and Heat Energy Released by Various Plastics When Incinerated
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Type of plastic |
HCl |
CO2 |
CO |
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Heat of combustion(kJ/kg) |
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Polyethylene film |
|
 |
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approx. 46,000 |
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Polypropylene film |
|
|
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approx. 46,000 |
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Polyvinyl chloride film |
|
|
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approx. 19,000 |
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"KURARAY POVAL FILM" |
|
|
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approx. 24,000 |
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Wood chips |
|
|
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approx. 19,000 |
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Source: In-house data
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"KURARAY POVAL FILM" is produced from a biodegradable material
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- Once PVA is dissolved in water, specific microbes cause it to degrade.
- When treated with activated sludge, solutions of PVA will be decomposed into water and carbon dioxide.
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General information of "KURARAY POVAL FILM"