Semnificație și utilizare
5.1 Această metodă de testare poate compara timpul de deschidere a mai multor adezivi topibili la cald.

5.2 This test method is not intended to provide opening times observed for specific adhesives in specific manufacturing operations. This test method can be used to compare the performance of adhesives representing the same or to rank the opening time of a group of hot melt adhesives.

Metoda de testare standard ASTM D4497-2018 pentru determinarea timpului de deschidere al adezivilor topibili la cald (Metoda manuală)

Etapa 1: Domeniul de aplicare
1.1 This test method covers the range of manual determination of hot melt adhesive opening time under specified conditions.

1.2 Valorile exprimate în unități SI vor fi considerate standard. Inch-pound units in brackets are for reference only.

1.3 This standard is not intended to address all safety concerns associated with its use. Este responsabilitatea utilizatorilor acestui standard să stabilească siguranța corespunzătoare, health and environmental specifications and to determine the applicability of regulatory restrictions prior to use.

1.4 Acest standard internațional se bazează pe principiile de standardizare recunoscute la nivel internațional stabilite în Decizia privind principiile pentru elaborarea standardelor internaționale., Guidelines and Recommendations issued by the WTO Technical Barriers to Trade (TBT) Committee.

2. Refer to the file
ASTM standard

D907 adhesive terms

E177 Practice of using the terms accuracy and deviation in ASTM test methods

E691 Practice of conducting inter-laboratory studies to determine the accuracy of test methods