Fly ash and slag (siliceous material); Lime and cement (calcium materials) are the main materials; Water based aluminum powder paste is used as a gas generator. A lightweight porous material made by mixing and stirring with water in a certain proportion, pouring and forming, gas thickening, pre curing and cutting, and steam curing. Its specifications include: 600 × 240 × 120 (mm), 600 × 240 × 180 (mm), 600 × 240 × 240 (mm), 600 × 240 × 100 (mm), 600 × 240 × 150 (mm), 600 × 240 × 200 (mm), 600 × 240 × 300 (mm), 600 × 240 × 250 (mm), 600 × 240 × 150 (mm), and other specifications. The product complies with the GB/T11968-2020 standard and meets or exceeds the quality requirements of B06, A3.5/B06, and A5.0 levels.