Product Presentation

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• Founded in 1883

• More than 140 manufacturing facilities in more than 60 countries

• 40000 employees

• $12 billion in revenues in 2009

• Composed of 13 strategic business units

• Industrial Coating, Performance Coatings, Architectural Coatings,

Optical & Specialty Material, Commodity Materials and Glass

• Noteworthy achievements:

– Pioneered cationic electro-deposition automotive primers that have

virtually eliminated rust.

PPG Industries

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Technical developments were driven with the following

recurrent parameters:

• Materials imported from other activities (most often from

military activity) and customized to the industry

• By essence, there are always trade-offs in material

performance

• Long and expensive material development cycle for every

stakeholder within the value chain

• Very long material life cycles

• Decreasing number of material suppliers

Environment for material development

3

The Evolution of Lens Materials

and Patient Benefits

CR-39® material- First commercially

successful organic

(plastic) lens

material

- Optical

performance

consistent with

glass lenses

Significant

improvement in

weight and

strength/impact

resistance

1960’s-1970’s 1980’s

Polycarbonate Improvement in

strength/impact

resistance

Improvement in

thinness and

weight

Significant

decline in optical

performance

1990’s

High Index Improvement

in thinness

- Acceptable

optical

performance

Decline in

weight and

strength/

impact

resistance

Glass

1800’s

Trivex® material Significant improvement in

strength, durability and impact

resistance

High optical performance

Lightest commercial Rx

material

Best balance of performance

properties for low-to-moderate

Rx’s – clear, light, strong

Higher Index- Solely focused on increasing

index of lens

Decline in optical performance,

weight and strength with each

higher index product

2000’s

Development of Added Values: HC, AR, Photochromics, Polarized

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Thermoplastics

(Polycarbonate)

Thermosets

(CR -39® material)

“Quasi -Thermoset”

(Trivex® material)

Long chains – impact resistanceCrossed molecules – resistance to heat

Material morphology

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A B2 COMPONENTSTrivex material is a 2 component system.

Trivex® material casting process

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BMIXINGA specially designed machine mixes the components at a precise ratio and temperature. A

Trivex® material casting process

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MOLD FILLINGThe material is then injected into a glass mold.

Trivex® material casting process

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HEAT CURINGThe molds are thermally cured in an oven for approximately 7-10 hours using a specified heat cycle ranging from 85°C to 130°C.

859095100105110115120125130

Trivex® material casting process

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DE-MOLDINGThe lenses are removed from the molds and pass through an inspection process.

Trivex® material casting process

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Press for production of injection moulded lenses

Uncoated polycarbonateFinished lenses are highly stressed and it is more difficult to obtain clean holes, free from stress, when drilling these materials.

Polycarbonate injection process

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Trivex® material is made with polyurethane enriched with additional nitrogen

Result

• Impact resistance material

• Light material

• Optical clarity

High index lenses are made with polyurethane enriched with Sulphur

( the higher the index, the more sulphur)

Result

• Thinner lens from +/-3diopters

• Higher density Lower optical clarity More Brittle

Material chemistry

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• No lens is the result of only one of its properties

Lens attributes work in combination.

Lens material attributes

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Lens material attributesLightness

• Lens weight is a function the material’s specific gravity. In this case, Trivex® material

was engineered to be the lightest material (1.11g/cm3).

Poly

High index

Trivex® material

Std. Plastic(CR-39® material)

Polycarbonate High Index

Specific Gravity 1.11 g/cm3 1.32 g/cm3 1.22 g/cm3 1.30-1.40 g/cm3

Lightness

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• A lens’ clarity is a product of Abbe number.

CR 39

PolycarbonateTrivex

Trivex®material

Std. Plastic(CR-39® material)

Polycarbonate High Index

Optical QualityAbbe Value

43 - 45 58 29 - 31 32-41

Lens material attributesOptical Clarity

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Lens material attributesUV Protection

• Lenses sold in eyewear should always provide 100 % UV

protection.

Trivex

Trivex®material

Std. Plastic(CR-39® material)

Polycarbonate High Index

UV protection 100% UV cut 98% UV cut 100% UV cut 100% UV cut

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Lens material attributes Material resistance

Lenses made with Trivex® material and polycarbonate stand a chance to pass:

– FDA at 1.0 mm center thickness

– CEN at 1.0 mm center thickness

– ANSI Z87.1

PolyHigh Index CR 39

Trivex® material

Std. Plastic(CR-39® material)

Polycarbonate High Index

Impact resistance

Pass Fail Pass Some pass

Chemical Resistance

Good Good Poor Fair

Stress cracking Not sensitive Brittle Sensitive Sensitive

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Trivex® material*

Std. Plastic(CR-39® material)

Polycarbonate High Index

UV Protection

Durability (tensile strength)

Chemical Resistance

Impact Resistance

Optical clarity

Lightness

Thinness

PoorFairExcellent

Consumer benefits

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Children

superior optics, UV protection, impact resistance

Ageing people

lightweight, clarity, UV protection

Active people

impact resistance, great optics, lightweight

Rimless frames wearers

lenses will not fracture when glazed into these

mounts

Which customer segment should

wear Trivex®?

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Lens material positioning

DIOPTERS 0.00 +/-3.00 +/-7.00 +/-12.00

HIGH END

BASE /

ENTRYADC / CR-39®

Global

Trivex®

Global

1.56 Mid-Index

Pacific

Polycarbonate US

1.60 High-Index

Europe

&Pacific 1.67 High-Index

Global

1.74 High-Index

Global

• Decreasing prices causing downward pressure on existing ‘high end’

material offerings

• Newest materials (1.74) only provide significant benefits to small

portion of patients with extreme prescriptions

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Trivex® material is a high quality material – offer Trivex® material to your

customers with high quality designs, coatings and additional options

Material Designs Coatings Additional Options

Also compatible with digital surfacing and composite lens technologies

Scratch resistant

Anti-reflective

Polarized

Transitions® photochromic lenses

Tinted

Single Vision

Progressive

Multi-focal

Diversity of Trivex® material

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PPG developed marketing tools to

help ECP grow their Trivex® sales

• Brochures to ECP’s and consumer

• E-learning tool www.ppgtrivex.com/education

• Presentations

• POS pictures/images Data bank

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