Assertion: natural fiber insulation | /r/HasProperty | formed into flexible or semi-rigid panels
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Source sentences:
text: Natural fiber insulations, treated as necessary with low toxicity fire and insect retardants, are available in Europe : Natural fiber insulations can be used loose as granulats or formed into flexible or semi-rigid panels and rigid panels using a binder (mostly synthetic such as polyester, polyurethane or polyolefin).