The new engineering materials powerhouse

by SpecialChem

LEXAN™ Resin HP4R

LEXAN™ Resin HP4R is an amorphous polycarbonate. Is a biocompatible and EtO and steam sterilizable grade containing higher amount of mold release than HP4. Offers medium flow, formulation control, good ductility, toughness and clarity. Processed by injection molding and used for medical devices and pharmaceutical applications. Complies with ISO10993/USP Class VI.

LEXAN™ Resin HP4R Properties

Physical Properties

Value & Unit

Test Condition

Test Method

Specific Gravity

1.2

(23°C/50% relative humidity)

ASTM D792

Linear Mold Shrinkage

0.5 - 0.7 %

(flow, 3.2 mm (5))

SABIC Method

Water Absorption

0.35 %

(23°C/equilibrium)

ASTM D 570

Injection Molding Properties

Value & Unit

Test Condition

Test Method

Drying Temperature

120 °C

Shot to Cylinder Size

40 - 60 %

Drying Time

3 - 4 hr

Want to list or
update your products?

View the listing options

Want to report errors or
suggest improvements?

Send a Feedback

Products with the same brand name

View more (851)

LEXAN™ Resin HP4R

LEXAN™ Resin HP4R Properties

Physical Properties

LEXAN™ Resin HP4R Processing Guidelines

Injection Molding Properties