BS EN ISO 2078:1994+A1:2015

What is ISO 2078 – Textile glass yarns about?  

ISO 2078 is an international standard that focuses on yarns designation. ISO 2078 specifies a system of designating textile glass yarns [including single, multiple-wound, folded (plied), cabled and textured yarns, strands, slivers and rovings] based on their linear density expressed in the tex system.  

Who is ISO 2078 - Textile glass yarns for? 

ISO 2078 on yarns designation for textile glass is useful for: 

• Textile manufacturers 
• Yarns manufacturers and suppliers 
• Testing laboratories  

Why should you use ISO 2078 - Textile glass yarns?  

Yarn is a product of substantial length and a relatively small cross-section consisting of fibres or filaments with or without a twist. It is the long fine structures capable of being assembled or interlaced into such textile products as woven and knitted fabrics, braids, ropes, and cords.  

ISO 2078 helps to assist factors or parameters which are required to express the yarn structure and properties are called yarn designation. The factors are: 

• Yarn count 
• No. of filaments 
• No. of components in folding 
• Direction and amount of twist 
• No. of components in cabling 
• Fibre components 

What’s changed since the last update?  

BS EN ISO 2078:1994+A1:2015 supersedes BS EN ISO 2078:1995 which has been withdrawn. BS EN ISO 2078:1994+A1:2015 has been editorially revised.