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LEXAN™ Resin OQ4820

LEXAN™ Resin OQ4820 is an amorphous Polycarbonate resin. Is a high viscosity grade and possesses ultraviolet (UV) cutoff upto 400 nm for UV-stabilization along with greater optical purity than standard grades. Possesses high mechanical, optical, electrical and thermal properties. Offers impact resistance, outstanding dimensional stability and clarity. Processed by injection molding and used in optical lenses for sunglass and sunvisor markets.

LEXAN™ Resin OQ4820 Properties

Physical Properties

Value & Unit

Test Condition

Test Method

Specific Gravity

1.2 g/cm³

(23°C)

ISO 1183

Linear Mold Shrinkage

0.5 - 0.7 %

(flow, 3.2 mm (5))

SABIC Method

Water Absorption

0.35 %

(at Saturation)

ISO 62

Injection Molding Properties

Value & Unit

Test Condition

Test Method

Drying Temperature

120 °C

Hopper Temperature

60 - 80 °C

Drying Time

2 - 4 hr

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LEXAN™ Resin OQ4820

LEXAN™ Resin OQ4820 Properties

Physical Properties

LEXAN™ Resin OQ4820 Processing Guidelines

Injection Molding Properties