ASTM D6412/D6412M-99(2020)

Podrobné informácie

Označenie: ASTM D6412/D6412M-99(2020)

Dátum vydania: 01.01.2020

Stránok: 4

Krajina: Americká technická norma

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Anotácia

The specification covers a two-part modified epoxy paste adhesive for bonding metallic and nonmetallic materials. The adhesive should be suitable for forming bonds that can withstand environmental exposure to a certain temperature range when exposed to an expected combination of stress, temperature, and relative humidity to be encountered in service. Two types of adhesive shall be classified according to composition. Type I which consists of two-part kits of liquid base and modified amide liquid accelerator. Type I is further subdivided into two grades: Grade 1 with low viscosity and Grade 2 with high viscosity. The other classification is Type II which consists of premixed, frozen, Type I, Grade 1 or Type I, Grade 2. Different tests shall be conducted in order to determine the following mechanical properties of the adhesives: room-temperature shear, high-temperature shear, low-temperature shear, room-temperature Shore D hardness, room-temperature T-peel, and outgassing characteristics such as total mass loss and vacuum condensable material.


Keywords:
ICS Number Code 49.025.50 (Adhesives)