Fiber glass yarns for textile processing are manufactured according to the specifications outlined in ASTM D-578, "Standard Specification for Glass Fiber Strands." The specifications and methods of ASTM D-578 are under the jurisdiction of ASTM Committee D-13 on Textiles and are the direct responsibility of Sub-Committee D13.18 on Glass Fiber and Its Products.

Testing of Fiber Glass Yarns 
Several other documents applicable to the testing of Fiber Glass Yarns are as follows:

ASTM D-76 
"Specification for Tensile Testing Machines for Textile Materials"

ASTM D-123 
"Terminology Relating to Textiles"

ASTM D-1423 
"Method for Twist in Yarns by Direct Counting"

ASTM D-1907 
"Method for Yarn Number by the Skein Method"

ASTM D-2256 
"Method for Tensile Properties of Yarns by the Single-Strand Method"

ASTM D-2258 
"Practice for Sampling Yarns for Testing"

ASTM D-4963 
"Test Method for Ignition Loss of Glass Strands and Fabrics"

MIL-STO-105 
"Sampling Procedures and Tables for Inspection by Attributes"

MIL-P-1349 
"Specification for Plastic Sheet, Laminated, Metal-Clad for Printed Wiring Board"

MIL-Y-1140 
"Specification for Yarn, Cord, Sleeving Cloth, and Tape-Glass"

MIL-C-9084 
"Specification for Cloth Finished for Resin Laminates"

IPC-EG-140 
"Specification for Finished Fabric Woven from E-Glass for Printed Circuit Boards"