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Fiberglass Glossary
Includes the most important technical terms regarding glass fiber products, their production process and their applications
M
Mat
A flat structure made of strands, cut or uncut, oriented or not, held together in the form of a sheet (according to ISO/DIS 13922).
Mesh fabric
A flat fabric in which both warp and weft yarns are widely spaced and locked by means of the leno weaving process.
Milled filaments
Filaments broken into very short lengths by processing through a size-reduction mill.
N
Needled mat
A mat whose elements are felted together in a needle loom, with or without a carrier (according to ISO/DIS 13922).
No-twist roving (for over-end unwinding)
A roving in which intentional twist was placed during assembly, so that when pulled from a designated end of the package, the twist is removed (according to ISO/DIS 13922).
Non-woven fabric
A textile structure produced by bonding or interlocking of fibers or both, accomplished by mechanical, chemical, thermal or solvent means and combinations thereof (according to ASTM D1117).
P
Package
Yarn in the form of units capable of being unwound and suitable for handling, storing, shipping and use (according to ISO/DIS 13922).
Plain weave
A fabric pattern in which each yarn of the filling passes alternately over and under a yarn of the warp and each yarn of the warp passes alternately over and under a yarn of the filling (according to ASTM D 4850).
Plied yarn
Yarn made from two or more single yarns, which have been combined in a second twisting operation.