Polystyrene Properties

Structure type:

Density: 1.05 g/cm3

Electrical conductivity: (σ) 10-16 S/m

Thermal conductivity coefficient: 0.08w/m.k

Young's modulus (e) 3000-3600 MPa

Tensile strength: (σ t) 46 – 60 MPa

Stretched length: 3 – 4%

Charpy impact tests: 2 – 5 kJ/m2

Glass transition temperature: 80-100 c

Thermal expansion coefficient: (α) 8x10-5/K

Polystyrene

Polystyrene

Specific heat: (c) 1.3 kJ/(kg · K)

Water absorption: (ASTM) 0.03-0.1

Degradation: 280 ℃

Glass transition temperature of polystyrene 80~90℃, amorphous density 1.04~1.06 g/cm³, Crystal density of 1.11~1.12 g/cm³, melting temperature of 240 degrees, electrical resistivity for 1020~1022 Europe • cm. Thermal conductivity 30 ℃, 0.116 w/(MI·Kai). Typically noncrystalline atactic polymer of polystyrene, with excellent thermal insulation, insulation and transparency, long-term working temperature: 0~70℃, brittle, low temperature cracking. Furthermore are identical and no isotactic polystyrene. Highly crystalline with polymer, polymer of partially crystalline.