Product Categories
Fiber Testing Equipment
Yarn Testing Equipment
Fabric Testing Equipment
Flammability Testers
Carpet Testing Equipment
Washing & Dyeing Testing Equipment
Footwear Leather Testing Equipment
General Laboratory Equipment
Laboratory Balances
Moisture Analyzers
Laboratory Benches & Fume Hoods
Universal Testing Equipment
Calibration Weights & Mass Sets
Waste Treatment & Environmental Measurement
Equipment
Viscometers
Protective Equipment Testers
Yarn Count Calculation Table
Yarn Examining Machine
ASTM Photographic Yarn View Standards
Yarn Examining Machine, Conical Board
The conical black or white board is used for detecting non-smoothness, feathering and other errors at the thread sample by winding it at predetermined extent and range. It can wind at variable speed from 8 to 19 windings per centimeter.
One white conical board is given with the device as standard. The ASTM standard photographs required for comparison can be supplied optionally.
Standards
ASTM D2255