ASTM D3661 – Test Method for Staple Length of Man-Made Fibers Average and Distribution (Single-Fiber Length Machine Method) (Withdrawn 1994) Description: Related Test Methods ASTM D4292 ASTM D4291 ASTM D4290 ASTM D429 ASTM D4289 ASTM D4287 ASTM D4284 ASTM D4281 ASTM D4280 ASTM D4274 ASTM D4272 ASTM D427 Previous Post:ASTM D3645 Next Post:ASTM D3663