Qianyuan 1.60 

polyurethane 

super-toughened monomers

 

Made from polyurethane (PU), the monomers are easy molding. Having high light transmittance, high Abbe number, better shock resistance than normal polyurethane series, lenses are applicable to any rimless eyeglasses

 

Monomer Properties 

Polyurethane (PU) 

A

Appearance  Colorless transparent liquid 

Viscosity (CPS/25℃ ) 9±3 

Density (g/cm3) 1.13 

Refractive Index (nE25)  1.4818±0.003  

Color  (nD25)  ≤10 

Monomer Properties 

Polyurethane (PU) 

B

Appearance Colorless to yellowish liquid 

Refractive Index (nE25)  1.5825 ± 0.003

Abbe Number (vE20)  51 ± 5  

Density (g/cm3, 25 ℃)  1.28 

Color (APHP) ≤ 30

 

Lens Properties 

Refractive Index (nE25) 1.598

Abbe Number (vE20) 41

Density (g/cm3, 25 ℃) 1.30

Volume Shrinkage (%)11.7

Transparency (%)  ≥92

Glass Transition Temp. (℃) 83

Note: our company has obtained the patent authorization at home and abroad