... ) Diameter: 1mm--4mm Color: Transparence, Black. Polyester Wire for Greenhouse1. Diameter: 1mm--4mm 2. Color: Transparence, Black.3. ... very low stretching percentage 4) Good thermal Stability: The Polyester Wire can keep very good stability mechanicalperformance and geometry ... , antiflaming, almost unbreakable, smooth surfacePurpose : 1,Widely used for grape growing or greenhouse 2,Can be used to draw ...