... proof 1.5D 2D 3D, etc Length: 38mm,51mm,64mm etc LOI28 LOI32 modacrylic fiber We can produce the modacrylic fibre, which is ... and 3D, the normal specification is 2D 38mm, 2D 51mm, 3D 51mm, 3D 64mm. The Modacrylic fibres are produced by our own factory ... be made into modacrylic yarn, then the finished products. modacrylic fiber