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ASTM D3642-13

Standard Test Method for Softening Point of Certain Alkali-Soluble Resins

Automaticky preložený názov:

Štandardná skúšobná metóda pre bod mäknutia niektorých Alkalické rozpustných živíc

NORMA vydaná dňa 1.10.2013

Jazyk
Prevedenie	PDF - okamžité stiahnutie - 70.40 € Tlačené - 70.40 €
Dostupnosť	SKLADOM
Cena	70.40 € bez DPH
70.40 €

Informácie o norme:

Označenie normy: ASTM D3642-13
Poznámka: NEPLATNÁ
Dátum vydania normy: 1.10.2013
Kód tovaru: NS-24306
Počet strán: 3
Približná hmotnosť: 9 g (0.02 libier)
Krajina: Americká technická norma
Kategória: Technické normy ASTM

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Termosety

Anotácia textu normy ASTM D3642-13 :

Keywords:

alkali soluble resins, melting point, polish, resins, ring and ball flow point, softening point, ICS Number Code 83.080.10 (Thermosetting materials)

Doplňujúce informácie

Significance and Use

4.1 In general, with materials of this type, softening does not take place at a definite temperature. As the temperature rises, these materials gradually and imperceptibly change from brittle solids to soft, viscous liquids. For this reason, the determination of the softening point must be made by a fixed, arbitrary, and closely defined methods if the results are to be comparable.

1. Scope

1.1 This test method covers the determination of the softening point of certain alkali-soluble resins having uniform plastic flow characteristics as the melting point is approached.

1.2 The resin manufacturer should specify whether or not this test method may be used for his product(s).

1.3 This test method is not suitable for styrene-maleic anhydride resins.

1.4 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.

2. Referenced Documents

E2251-14(2021)	Standard Specification for Liquid-in-Glass ASTM Thermometers with Low-Hazard Precision Liquids
E28-18(2022)	Standard Test Methods for Softening Point of Resins Derived from Pine Chemicals and Hydrocarbons, by Ring-and-Ball Apparatus
D2398-82	Test Method for Softening Point of Bitumen in Ethylene Glycol (Ring-and-Ball) (Withdrawn 1984)