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by SpecialChem

LEXAN™ Resin OQ4320R

LEXAN™ Resin OQ4320R is an amorphous Polycarbonate resin. Possesses ultraviolet (UV) cutoff upto 400 nm for UV-stabilization along with greater optical purity than standard grades and internal mold release. Features high mechanical, optical, electrical and thermal properties. Offers impact resistance, outstanding dimensional stability and clarity. Processed by injection molding and used in sunglass and sunvisor markets.

LEXAN™ Resin OQ4320R Properties

Physical Properties

Value & Unit

Test Condition

Test Method

Specific Gravity

1.2

(23°C/50% relative humidity)

ASTM D792

Melt Mass-Flow Rate (MFR or MFI = Melt Flow Index or MI = Melt Index)

12.5 g/10min

(300°C/1.2 kgf)

ASTM D1238

Linear Mold Shrinkage

0.5 - 0.7 %

(flow, 3.2 mm (5))

SABIC Method

Injection Molding Properties

Value & Unit

Test Condition

Test Method

Drying Temperature

120 °C

Shot to Cylinder Size

40 - 60 %

Drying Time

3 - 4 hr

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LEXAN™ Resin OQ4320R

LEXAN™ Resin OQ4320R Properties

Physical Properties

LEXAN™ Resin OQ4320R Processing Guidelines

Injection Molding Properties