Technical datasheet

TUFFALLOY™ 4272

Supplied byHapco- Last Updated on Apr 16, 2026

TUFFALLOY™ 4272 by Hapco is a liquid molding polymer. It is available as 100:100 solution by volume A:B and 100:88 solution by weight A:B. Exhibits high impact strength, high heat distortion and low viscosity. Offers fast cycle time, excellent physical properties, prototype and production use. It can be pressure cast, vacuum cast, or open cast. TUFFALLOY™ 4272 by Hapco is designed for complex gear applications. Complies with RoHS Directive (EU) 2011/65.
Product Type:
Bio Based contentVisible After Login
AppearanceVisible After Login

Benefits

Visible After Login|

Visible After Login|

Visible After Login

Compliance

Certifications & Compliance
Visible After Login

Applications

Recommended markets

Applications

Conversion mode

Visible After Login|
Visible After Login|
Visible After Login

Availability

Product Status:Visible After Login

TUFFALLOY™ 4272 properties

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, Shore D0.0 Visible After LoginVisible After LoginVisible After Login
Impact Strength, Notched Izod0.0 Visible After LoginVisible After LoginVisible After Login
Impact Strength, Unnotched Izod0.0 Visible After LoginVisible After LoginVisible After Login
Modulus of Elasticity0.0 Visible After LoginVisible After LoginVisible After Login
Tensile Elongation0.0 Visible After LoginVisible After LoginVisible After Login
Tensile Strength0.0 Visible After LoginVisible After LoginVisible After Login

Other properties

PropertiesValue & unitTest conditionTest method
Viscosity0.0 Visible After LoginVisible After LoginVisible After Login

Physical properties

PropertiesValue & unitTest conditionTest method
Demold Time0.0 Visible After LoginVisible After LoginVisible After Login
Gel Time0.0 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
Weight per cubic inch0.0 Visible After LoginVisible After LoginVisible After Login

Thermal properties

PropertiesValue & unitTest conditionTest method
Heat Deflection Temperature (HDT)0.0 Visible After LoginVisible After LoginVisible After Login
Heat Deflection Temperature (HDT)0.0 Visible After LoginVisible After LoginVisible After Login

Related products