Evaluating the Resistance Performance of the VAEPC and the PAFRC Composites against a Low-Velocity Impact in Varying Temperature

Table 2

Physical properties of materials.

Materials	Properties
Cement	Ordinary Portland cement (type I), density: 3.15 g/m^3, fineness: 3,620 cm^2/g
Fine aggregate	Density: 2.6 g/m^3
PVA fiber	Length: 12 mm, diameter: 0.04 mm, density: 1.3 g/m^3, tensile strength: 1,597 MPa, elastic modulus: 37 GPa, elongation: 6.5%
VAE polymer	Appearance: white powder, density: 0.47∼0.59 g/m^3, average size distribution: 0.5∼8 μm, main ingredient: Vinyl acetate ethylene