1. Hardly inflammable sun-shade roller blind having a supporting textile substrate coated with synthetic resin modified so as to be flame resistant, characterized in that the supporting textile substrate being impregnated with two different layers of flexible synthetic resin free of halogen, namely, with a first layer of thermosetting synthetic resin and with a second layer, completely enveloping the first layer and thus also the threads or fibers of the supporting textile substrate, of thermoplastic synthetic resin, and in that both of the synthetic resin layers contain at least one halogen-free flame-protection agent.
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