Technical datasheet

HH-6730

Supplied byWestlake- Last Updated on Jul 2, 2025

HH-6730 by Westlake is a high flow rigid polyvinyl chloride (PVC) grade. Offers excellent light stability, color hold and surface appearance. Exhibits high-heat distortion properties. HH-6730 is suitable for processing by injection molding.
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HH-6730 properties

Flammability properties

PropertiesValue & unitTest conditionTest method
Limiting Oxygen Index (LOI)0.0 Visible After LoginVisible After LoginVisible After Login

Mechanical properties

PropertiesValue & unitTest conditionTest method
Flexural Modulus0.0 Visible After LoginVisible After LoginVisible After Login
Flexural Strength0.0 Visible After LoginVisible After LoginVisible After Login
Hardness, Rockwell R0.0 Visible After LoginVisible After LoginVisible After Login
Impact Strength, Notched Izod0.0 Visible After LoginVisible After LoginVisible After Login
Impact Strength, Notched Izod0.0 Visible After LoginVisible After LoginVisible After Login
Modulus of Elasticity0.0 Visible After LoginVisible After LoginVisible After Login

Other properties

PropertiesValue & unitTest conditionTest method
Tensile Strength at Yield0.0 Visible After LoginVisible After LoginVisible After Login

Physical properties

PropertiesValue & unitTest conditionTest method
Flow Ratio0.0 Visible After LoginVisible After LoginVisible After Login
Linear Mold Shrinkage0.0 Visible After LoginVisible After LoginVisible After Login
Specific Gravity0.0 Visible After LoginVisible After LoginVisible After Login

Thermal properties

PropertiesValue & unitTest conditionTest method
Deflection Temperature at 0.46 MPa (66 psi)0.0 Visible After LoginVisible After LoginVisible After Login
Deflection Temperature at 1.8 MPa (264 psi)0.0 Visible After LoginVisible After LoginVisible After Login

HH-6730 Processing Guidelines

Injection Processing Guidelines

PropertiesValue & unitTest conditionTest method
Barrel Zone 1 TemperatureVisible After LoginVisible After Login
Barrel Zone 2 TemperatureVisible After LoginVisible After Login
Barrel Zone 3 TemperatureVisible After LoginVisible After Login

Injection Molding Processing Guidelines

PropertiesValue & unitTest conditionTest method
Back PressureVisible After LoginVisible After Login
Barrel Nozzle TemperatureVisible After LoginVisible After Login
Compression RatioVisible After LoginVisible After Login
Hold PressureVisible After LoginVisible After Login
Melt TemperatureVisible After LoginVisible After Login
Mold TemperatureVisible After LoginVisible After Login

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