Specification For Elastomeric Joint Sealants Summary Extra Quality | Astm C920 Standard

: Specifies compatible substrates and environment conditions.

Durable enough for pedestrian or vehicular traffic areas like plazas or walkways. : Specifies compatible substrates and environment conditions

: Defines movement capability (measured as a percentage of joint width). or lose elasticity over time.

: Evaluates the sealant's ability to maintain adhesion and cohesion during repeated expansion and contraction. : Specifies compatible substrates and environment conditions

The ASTM C920 standard specifies the following key requirements for elastomeric joint sealants:

Samples are exposed to intense UV rays and heat to ensure they don't crack, chalk, or lose elasticity over time.