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By certification 
Glassfiber yarn:
Twisted yarn-12~800tex;
Roving yarn-200~2400tex;
Texturized yarn200~2400tex;
Ceramic yarn:
500~2000tex -1~2P;
525tex,630tex,700tex,
830tex,1000tex
Dust free asbestos yarn:
Dia. 2mm,3mm,5mm
Asbestos yarn (dusted):
500~3000tex-1~3p
Twisted yarn-12~800tex;
Roving yarn-200~2400tex;
Texturized yarn200~2400tex;
Ceramic yarn:
500~2000tex -1~2P;
525tex,630tex,700tex,
830tex,1000tex
Dust free asbestos yarn:
Dia. 2mm,3mm,5mm
Asbestos yarn (dusted):
500~3000tex-1~3p