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Engineering Plastics

Lexan^® Polycarbonate Sheet 

Lexan Polycarbonate solid sheet exhibits an excellent balance of physical, mechanical and environmental properties which are maintained over a wide range of temperature and humidity conditions.

Properties vs Temperature
Lexan Polycarbonate is characterised by its excellent mechanical behaviour, maintaining high strength and stiffness when exposed to elevated temperatures over a long period of time. 

Impact Strength
Lexan Polycarbonate sheet is one of the toughest, transparent thermoplastic materials and can withstand impact from all kinds of objects, from stones to hammers without shattering.  Its proven energy absorbing characteristics are maintained at sub-zero winter temperatures or high summer temperatures.  Polycarbonate sheet has 250 times the impact strength of glass and so gives greater protection against vandalism and forced entry.

Solar Control
Transparent grades of Lexan Polycarbonate sheet have excellent light transmission of between 75 and 87% depending upon thickness.  However, for buildings in hot climates Lexan polycarbonate sheet is available in translucent grades of bronze, grey and opal white and Lexan Exell Venetian.  These grades significantly reduce solar heat build-up, helping to maintain comfortable interior temperatures. 

Availability:

Lexan® 9030 Polycarbonate

Lexan® 9030 polycarbonate is the standard sheet grade for transparent protective glazing. 

It is commonly used for either primary or secondary glazing for added protection against breakage or intrusion.  It is a better insulator than glass and is easily fabricated for a wide range of indoor applications, machine guards or vandalproof street furniture.

Lexan® 9030FR

Lexan® 9030 Flame Retardant sheet is a standard transparent polycarbonate sheet specially developed to satisfy the flammability requirements of the building and construction market.

Lexan® Exell® D

Lexan® Exell D is a transparent polycarbonate sheet with proprietary UV protection on both sides.  I has excellent weathering properties and outstanding impact resistance and is ideally suited to a wide variety of building and construction applications.

Lexan® Exell D sheet can be easily cold-formed into gentle curves which makes it ideal for skylights, covered walkways and barrel vaults.  It can also be thermoformed into thewhilst retaining the UV resistant coating specially developed for weather resistant applications.

Lexan® Exell® D ST

Lexan Exell D ST sheet is a UV protected, translucent product with excellent light diffusion.  It has a 'pebbled' surface making it ideal for privacy glazing and has all the performance characteristics of standard Lexan polycarbonate.

Lexan® Exell® D FR  

Lexan® Exell D Flame Retardant sheet is a transparent polycarbonate sheet with proprietary UV protection on both sides.  It has a good flammabilty performance it is ideally suited to a wide variety of building and construction applications.

Lexan® Exell® D VEN

Lexan® Exell® D Venetian is Lexan ExellD which has been screenprinted with white stripes on the non UV coated side. This reduces heat build up beneath the sheet, eg: inside the building.

Lexan® Margard® MR5-E

Mar/UV resistant Lexan® Margard MR5-E sheet combines the impact strength of Lexan polycarbonate sheet with an abrasion/UV resistant surface that is close to glass in performance. Lexan Margard sheet is resistant to many chemicals such as cleaning fluids, paints and adhesives.  Its unique coating “defies graffiti to stick”, enabling restoration to a ’good-as-new’ condition. In addition, Lexan® Margard MR5-E sheet offers improved resistance to weathering as well as forced entry protection. It is ideal for use in shops, public buildings, schools, bus shelters and other high traffic areas.

Note: for some applications the ripple orientation may play an important role in the optical performance of the sheet. This orientation is indicated on the masking.

Lexan® Margard® MRA3

Lexan® Margard® MRA3 combines the impact strength of Lexan Polycarbonate sheet with a unique abrasion resistance on both sides. Lexan Margard MRA3 is resistant many chemicals such as cleaning fluids, paints and adhesives.  It’s improved resistance to abrasion as well as it’s high impact resistance makes it ideal for use as secondary glazing (interior), in public buildings, schools etc. and as machine guard glazing.

Flat applications only
Due to its mar-resistant coating, Lexan Margard MR5-E and MRA3 sheet cannot be cold-formed. The sheet is intended for flat applications only.

Abrasion resistance
Tested for abrasion resistance, Lexan Margard MR5-E and MRA3 sheet exhibits significantly less hazing than uncoated polycarbonate sheet.

Lexan® Margard® Sheet FMR5-E (formable)
Lexan Margard FMR5-E is a transparent UV and abrasion resistant glazing material offering:

• Extremely high impact strength, with the capacity to be cold-curved or drape-formed.

• Dual hardcoated surface offering resistance against wear and tear.

• High resistance to chemicals

Processing

Lexan Margard FMR5-E can be cold-curved into shallow radii. It can also be drape-formed at a maximum temperature of 155°C, normally without pre-drying.

Curved applications
Lexan Margard FMR5-E the ideal glazing material for shaped applications such as curved windows, (e.g. revolving doors), partitions, skylights, barrel vaults, balcony glazing, stairglazing, shelters and machine safety guards.

Optical performance
Clear Lexan glazing offers excellent clarity and has the highest transmission in the visible light and near infra-red region of the spectrum. As it is essentially opaque to all wavelengths below 385 nanometres, it is ideal for protecting art, antiques, retail displays and fabrics from the damaging effects of UV rays.

Technical Specification:

*Measured on injection moulded test specimens.

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