Assertion: polyester sail | /r/CapableOf | remain popular
Facets:
value: because of high uv resistance
type: CAUSE
value: because of their comparatively low cost
type: CAUSE
Source sentences:
text: Woven polyester sails are by definition low modulus (resistance to stretch), low tenacity (breaking strength) compared to newer fibres, but remain popular because of their comparatively low cost, high UV resistance and high flex resistance, which means they can take a lot of punishment.