Detailed Product Description

1) Mechanical Performance

Density  ρ  2.23±0.02g/cm3

2). Thermodynamic Performance

Thermal expansion coefficient     (0-300) 3.3±0.1×10-6K-1

Softening point                           820±10

Strain point                                516±10

Thermal coefficient                     1.2W×m×K-1

 3).  Chemical Performance

Water resistance                        ISO719/DIN12111 HGB1/ISO720 HGA1

Acid resistance                           ISO1776/DIN12116 1

Alkali resistance                         ISO695/DIN52322 A2

4). Optical Property

Refractive index Nd:                  1.47384

5). Electrical Property

Dielectric dissipation fraction tan σ (1 megacycle at 20):     38×10-4

Dielectric constant                    ε=4.7