
Reinforcement Yarns - Determination Of Twist
出版:National Standards Authority of Ireland

专家解读视频
Defines a method of determining the twist in yarns made from textile glass, carbon or aramid filaments. Applicable to single yarns (one twist), also to folded or cable yarns (two or more twists). Applies to package-wound yarns.
NEN EN ISO 1890:1997 - Identical
ISO 1890:1997 - Identical
SS EN ISO 1890 Ed. 1 (1997) - Identical
UNE EN ISO 1890:1998 - Identical
NS EN ISO 1890 Ed. 1 (1997) - Identical
NF EN ISO 1890:1997 - Identical
UNI EN ISO 1890:1999 - Identical
NBN EN ISO 1890:1997 - Identical
ONORM EN ISO 1890:1997 - Identical
DIN EN ISO 1890 (1997-08) - Identical
BS EN ISO 1890:1997 - Identical
SN EN ISO 1890:1997 - Identical