Y221A
ASTM PHOTOGRAPHIC YARN APPEARANCE STANDARDS
ASTM Photographic Yarn Appearance Standards. Grades A, B, C, D (mounted). Specify No. 1-12, 12-24, 24-36, 36-50, 50-75, or 75 - 135 (English cotton count) price each.
WEIGHT
1.2 kg
2.5 lb
DIMENSIONS
Width
Depth
Height
635.0 mm
10.0 mm
380.0 mm
25.0 inch
0.4 inch
15.0 inch
STANDARDS
ASTM D2255
Y221 A12 Standards 1-12 countY221 A24 Standards 12-24 countY221 A36 Standards 24-36 countY221 A50 Standards 36-50 countY221 A75 Standards 50-75 countY221 A135 Standards 75-135 count
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