Assertion: fluorocarbon fishing line | /r/HasProperty | valued for its refractive index
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Source sentences:
text: Fluorocarbon fishing line is made of the fluoropolymer PVDF and it is valued for its refractive index, which is similar to that of water, making it less visible to fish.
text: Fluorocarbon fishing line is valued for its refractive index, which is similar to that of water, making it less visible to fish.