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Tapes
Standard, 50 yard / 45.7 m tapes are wound on 50 mm / 2 inch cores. Longer tapes that are wound on a different winder may also be wound on 75 mm / 3” cores.
Standard tapes are individually wrapped in plastic. The wrapped tapes are placed in a cardboard sleeve, which in turn is placed in a larger (master) carton. Master cartons are placed on a pallet.
The following table provides packaging info for standard 50 yard / 45.7m tapes:[spacer height=”20px”]
| product | Width inch / mm | # rolls /sleeve | # rolls / master carton (MC) | MC / pallet6os / 9oz |
| T0621 + T0954 | 1 / 25 | 12 | 192 | 12 / 6 |
| 2 / 51 | 6 | 96 | 12 / 6 | |
| 3 / 76 | 4 | 64 | 12 / 6 | |
| 4 / 102 | 3 | 48 | 12 / 6 | |
| 6 / 152 | 2 | 32 | 12 / 6 | |
| 8 / 203 | 1 | 24 | 12 / 6 | |
| 10 / 254 | 1 | 16 | 12 / 6 | |
| 12 / 305 | 1 | 16 | 12 / 6 |
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Longer tapes are individually wrapped in plastic and placed in larger cartons, immediately on a pallet. Number of rolls packaged depends on the length of the rolls being packaged.
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Yarn nomenclature
Following table provides the explanation for both the ISO 2078 and ASTM D 578 description of glass yarns:[spacer height=”20px”]
Description example:[spacer height=”20px”]
ISO: EC9 68 Z 28[spacer height=”10px”]
ASTM: ECG 75 1/0 0.7Z[spacer height=”10px”]
| According to ISO 2078 | According to ASTM D 578 | ||
| E | Type of glass | E | Type of glass |
| C | Continuous filament | C | Continuous filament |
| 9 | Diameter in microns | G | Diameter in US units |
| 68 | Yarn weight in tex (g/1000m) | 75 | Length per lb: X 100 = yd/lb |
| 1/0 | 1 strand/ 0 plied yarns | ||
| Z | Direction of twist | Z | Direction of twist |
| 28 | Twists per meter | 0.7 | Twists per inch |
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The code is usually followed by the I.D. of the sizing used on the yarn. This is information that depends on the specific yarn manufacturer.