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of carpet tile backings - Interface

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13<br />

plasticizers are <strong>of</strong> a chemical<br />

type known as phthalates.<br />

Some <strong>of</strong> these have been found<br />

to be ‘endocrine disruptors’ in<br />

animal testing. In our GlasBac ®<br />

backing we phased out DEHP<br />

(diethylhexyl phthalate) in 2001.<br />

The plasticizer used currently is<br />

di-isononyl phthalate (DINP),<br />

accounting for less than 17%<br />

<strong>of</strong> total weight. DINP has not<br />

been found to pose any risk on<br />

human health in an extensive<br />

life cycle study conducted by the<br />

European Union in 2006. This<br />

study also found no risk to the<br />

atmosphere, aquatic ecosystem<br />

or terrestrial ecosystem from<br />

such use <strong>of</strong> DINP.<br />

The second concern is the use<br />

<strong>of</strong> heavy metal stabilisers. If<br />

ingested, heavy metals can<br />

accumulate in the body and<br />

cause disease. We have not<br />

used any heavy metals in our<br />

GlasBac ® backing since 1996<br />

when we phased out barium/zinc<br />

heat stabilisers.

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