Yellowness Index

0.73

D 1925

Haze, %

0.21

D 1003

Refractive Index, n.20

D 1.50

D 542

Dispersion Factor

57

D 542

Visible Transmission, %

93.3

D 1003

Ultraviolet Transmission, %

( 3 mm thickness)

at 300 nm.

25

at 340 nm.

77

at 380 nm.

88

Density, g/cc

1.311

D 792

Tensile Modulus, (Mpa)

2.4

D 638

Taber Abrasion, ( x P.M.M.A.)

20

D 1044

(modified)

Rockwell Hardness, (M)

97

D 785

IZOD Impact Resistance KJ/mq.

7.85

D 256

(Unnotched at 23 C)

(modified)

7 days immersion at 23 C

Water :

absorption, %

0.4

haze variation, %

0.07

Acetone :

absorption, %

0.78

haze variation, %

0

Toluene :

absorption, %

0.4

haze variation, %

0

Ethyl Alcohol 95% :

absorption, %

0.1

haze variation, %

0.05

Trichloroethylene :

absorption, %

0.04

haze variation, %

0.06

H.D.T. 1,82 Mpa, C

69

D 64

Linear coeff./ C

from -40 to 25 C

0.81 x 10-4

from 25 to 75 C

1.20 x 10-4

from 75 to 125 C

1.43 x 10-4