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ASTM C338-93(2019)
Standard Test Method for Softening Point of GlassMore info
1.1 This test method covers the determination of the softening point of a glass by determining the temperature at which a round fiber of the glass, nominally 0.65 mm in diameter and 235 mm long with specified tolerances, elongates under its own weight at a rate of 1 mm/min when the upper 100 mm of its length is heated in a specified furnace at the rate of 5 ± 1 °C/min.
| Author | ASTM |
|---|---|
| Editor | ASTM |
| Document type | Standard |
| Format | File |
| Confirmation date | 2019-08-01 |
| ICS | 81.040.10 : Raw materials and raw glass |
| Number of pages | 4 |
| Replace | ASTM C338-93(2013) |
| Year | 1990 |
| Document history | ASTM C338-93(2013) ASTM C338-93(2008) ASTM C338-93(1998) ASTM C338-93(2003) |
| Country | USA |
| Keyword | ASTM 338;ASTM C338;ASTM C338;10.1520/C0338-93R19 |