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Table 2 Physical properties of materials.

From: Thermal and Mechanical Behaviors of Concrete with Incorporation of Strontium-Based Phase Change Material (PCM)

Materials

Physical properties

Type 1 cement (ordinary portland cement)

Density: 3.15 g/cm3

Fineness: 3630 cm2/g

Type 4 cement (low heat portland cement)

Density: 3.20 g/cm3

Fineness: 3400 cm2/g

Blast furnace slag

Density: 2.20 g/cm3

Fineness: 3000 cm2/g

Fly ash

Density: 2.90 g/cm3

Fineness: 4000 cm2/g

Sand

Max. aggregate size: ≤ 5 mm

Density: 2.43 g/cm3

Water absorption ratio: 3.66%

Gravel

Max. aggregate size: ≤ 25 mm

Density: 2.64 g/cm3

Water absorption ratio: 5.24%

Superplasticizer

Naphthalene