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Standard Test Method for Low-Temperature Flexibility of Preformed Tape Sealants
Automaticky preložený názov:
Štandardná skúšobná metóda pre nízkoteplotné Flexibilita Preformed Tape tmelov
NORMA vydaná dňa 1.12.2011
Označenie normy: ASTM C765-97(2011)
Poznámka: NEPLATNÁ
Dátum vydania normy: 1.12.2011
Kód tovaru: NS-14955
Počet strán: 2
Približná hmotnosť: 6 g (0.01 libier)
Krajina: Americká technická norma
Kategória: Technické normy ASTM
Keywords:
flexibility, low-temperature flexibility, preformed tape sealants, tape sealants, tapes, Preformed sealant tapes, Flexibility--sealants, Preformed adhesive sealing tape, Accelerated aging/testing--preformed sealing tapes, ICS Number Code 91.100.50 (Binders. Sealing materials)
Significance and Use | ||||
Preformed tape sealants are tacky, deformable solids that are used under compression between two substrates in a variety of sealing applications. This procedure is not intended to simulate an actual use condition, but it will give some indication of the flexibility and adhesion of a tape at low temperature. It can serve to differentiate between flexible tapes that can take some movement and those that tend to harden or embrittle on aging and crack or lose adhesion when flexed at low temperature. It will also aid in identifying sealants that have poor flexibility because they are overextended and contain a low level of binder as well as those sealants having binders that will embrittle at low temperature. |
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1. Scope | ||||
1.1 This test method covers a laboratory procedure for testing the low-temperature flexibility of preformed tape sealants. 1.2 The values stated in SI units are to be regarded as the standard. The values in parentheses are for information only. 1.3 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use. |
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2. Referenced Documents | ||||
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