36C24919R0105-043.pdf

CORNING SAS - Ophthalmic PO Box Nr 90094 - Bagneaux sur Loing - F 77992 Nemours cédex - FRANCE

Code 8111

Density : 2.41 g/cm3 Heat Faded Darkened Linear Exp. Coef. : 63.5 10-7/ °C 91.0% 30.0%

665 °C Ann. Pt 495 °C Strain Pt 465 °C <0.1 <0.1

<0.1 <0.1 <0.1 <0.1

Line λ (nm) Value 7.0% 2.5% F' Cadmium 480.0 1.52989 11.0% 3.5% F Hydrogen 486.1 1.52938 7.5% 2.5% e Mercury 546.1 1.52518 d Helium 587.6 1.52300 C' Cadmium 643.8 1.52063 86.0% 29.0% C Hydrogen 656.3 1.52021 νe 56.7 Pass νd 57.0 Pass

Pass

YES

YES

YES

To water HGB3 To acid 3 To alkalis A2

ISO 14889

ANSI Z80-3

TRANSMISSION PROPERTIES (2 mm)

ISO 695

AS 1067.1

PHYSICAL PROPERTIES

REFRACTIVE INDEX

Abbe Number

Vacuum coating Chemical tempering

Glass designation :

Color :

PHOTOGRAY EXTRA TM

Clear to medium gray Photochromic crown glass.

(See also notes below) t(max) 280 - 315 nm

Air tempering

VISIBLE 380 - 780 nm Luminous transmission factor

Solar UV-B transmission factor

Glass type :

Application :

t(moy) 315 - 380 nm Solar UV-A transmission factor

BLUE LIGHT 380 - 500 nm

TRAFFIC SIGNAL RECOGNITION

Ophtalmic lenses : Single vision, G&P progressive addition.

COATING & TEMPERING

Blue light transmission factor

CHEMICAL DURABILITY (class)

NF ISO 719

DIN 12-116

Viscosity : Soft. Pt

ULTRAVIOLET

t(max) 315 - 350 nm t(avg) 280 - 315 nm

Transm iss ion Curve : Photogray Extra TM Code 8111

280 300 320 340 360 380 400 420 440 460 480 500 520 540 560 580 600 620 640 660 680 700 720 740 760 780 800

Wavelength (nm) t(%)

U V - B U V - A V I SI B LE

Fa de d

Sol a r Si mul a t or da t a : 2mm 2 2 °C

D ar ke ne d

Non-toleranced numerical values are typical values S8111-02/2006

CORNING SAS - Ophthalmic PO Box Nr 90094 - Bagneaux sur Loing - F 77992 Nemours cédex - FRANCE

Code 8111

Bath : 59.5% Time : 16 Hr 40.0% θ °C : 400 °C 0.5%

Tv (0) Tv (15)

Tv (15) Tv (15)

(1)

(2) Reference : ISO 14889 Chapter 4.5

2 mm Category 0 Category 2

YesNight driving (2)

Transmission categories :

Faded state Darkened state

Heat treatments as indicated below, or vacuum coatings, may cause changes in transmission and color properties.

35 °C 5 °C

15 mn darkened Reference : ISO 8980-3 Chapter 6.5

45.0%

15 mn darkened 5 mn faded

15 mn darkened Night driving conditions (1)

30.0%

Temperature

91.0%

This glass has not been designed for fused multifocal production nor heat formed aspheric or progressive lenses.

Heat forming :

Transmittance properties according to ISO 8980-3

22.0%

22 °C 65.0% 85.0%

Heat faded

2 mm thickness

Sodium Nitrate

Chemtempering : Recommended bath and cycle

Potassium Nitrate

Compatible Bariums :

Air tempering :

Use standard schedule for photochromic crown glass.

PHOTOGRAY EXTRA TM

Color :

Photochromic crown glass.

Clear to medium gray continued combustion after withdrawal of the test rod.

Silicic acid

Application : Ophtalmic lenses : Single vision, G&P progressive addition.

ISO 14889 Chapter 4.3.1

The above glass products are not flammable, and when tested as described in chapter 5.1 of ISO 14889, there is no

For purpose of manufacturing the above type of lenses, select Code 8112 FUS. PHOTOGRAY EXTRA TM

Photochromic response :

Physiological compatibility The above glass products are not known to be physiologically incompatible, nor known to create a significant number of allergic reactions, when the lenses made out of these materials are used as intended by the manufacturer

ISO 14889 Chapter 4.3.2 Flammability

Note :

Properties according to ISO 14889

Glass type :

Glass designation :

Non-toleranced numerical values are typical values S8111-02/2006