The 7 days 3 error probably resulted from using older cement in the mix, which experienced tiny clumps. These clumps may not have combined comprehensively, leading to uneven distribution on the material and weaker bonding throughout the Aircrete. This inconsistency reduced the compressive strength of the material, creating a noticeable https://proteinbasedfoamingagentc49269.blogolize.com/polyvinyl-alcohol-fiber-options-74429450