by SpecialChem

LEXAN™ Resin ML4539

LEXAN™ Resin ML4539 is an amorphous, opaque polycarbonate grade. Possesses high mechanical, optical, electrical and thermal properties. Offers impact resistance and outstanding dimensional stability. Processed by injection molding and used for aircraft cabin and cargo compartment applications. FAR 25.853a compliant.

LEXAN™ Resin ML4539 Properties

Physical Properties

Value & Unit

Test Condition

Test Method

Specific Gravity

1.21

(23°C/50% relative humidity)

ASTM D792

Specific Volume

0.83 cm³/g

(23°C/50% relative humidity)

ASTM D 792

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

9 g/10min

(300°C/1.2 kgf)

ASTM D1238

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 ML4539

LEXAN™ Resin ML4539 Properties

Physical Properties

LEXAN™ Resin ML4539 Processing Guidelines

Injection Molding Properties