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Performance Alloys MoldStar® 90 Copper Mold Alloy

Category	Metal , Nonferrous Metal , Copper Alloy
Manufacturer	Performance Alloys
Trade Name	MoldStar®
Port	Ningbo port,China
Trade Terms	FOB, CFR, CIF
Payment Terms	L/C, T/T, Western Union
Download PDF	Performance Alloys MoldStar® 90 Copper Mold Alloy.pdf
Price	EMAIL US sales@lookpolymers.com

Material Notes:

Description: MoldStar® 90 is a beryllium-free copper alloy for the blow molding and injection molding industries as well as other industrial applications. MoldStar® 90 provides a good balance of thermal conductivity, hardness, corrosion resistance and wear.Applications: Mold InsertsThermal PinsMold CoresCavitiesLiftersEtc.Information provided by Performance Alloys.

Physical Properties	Metric	English	Comments
Density	8.58 g/cc	0.310 lb/in³

Mechanical Properties	Metric	English	Comments
Hardness, Brinell	311	311	3000kg
Hardness, Rockwell C	31	31
Tensile Strength at Break	1030 MPa	150000 psi
Tensile Strength, Yield	965 MPa	140000 psi
Elongation at Break	5.0 %	5.0 %	in 2"
Compressive Strength	965 MPa	140000 psi

Thermal Properties	Metric	English	Comments
CTE, linear	17.1 µm/m-°C @Temperature 20.0 °C	9.50 µin/in-°F @Temperature 68.0 °F
Thermal Conductivity	156 W/m-K @Temperature 15.6 °C	1080 BTU-in/hr-ft²-°F @Temperature 60.0 °F

Component Elements Properties	Metric	English
Copper, Cu	89 %	89 %
Nickel, Ni	7.5 %	7.5 %
Other	3.5 %	3.5 %

Descriptive Properties	Value	Comments
Thermal diffusivity at 68°F	1.76 ft²/hr

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