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Master Bond adhesives

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Dow Surlyn® 9945 Thermoplastic Ionomer Resin
Categories: Polymer; Thermoplastic; Ionomer; Ionomer, Molded

Material Notes: Surlyn® 9945 provides high flow properties and consistent, easy processing behavior in molded and extruded applications. It is positioned in the medium/high acid, high neutralization area of the ionomer spectrum.

Surlyn® 9945 is ideal for applications where fast molding cycles at reduced molding temperatures are desired. The high flow characteristics also facilitate molding in thin sections. Surlyn® 9945 is used primarily in blends with other ionomers, such as Surlyn®8945, to provide improved cut resistance and impact durability, as well as increased resiliency and coefficient of restitution.

Information provided by DuPont.

This former DuPont product line is now a Dow product line.

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Physical PropertiesOriginal ValueComments
Specific Gravity 0.970 g/ccASTM D792
Melt Index of Compound 4.0 g/10 minASTM D1238
 
Mechanical PropertiesOriginal ValueComments
Hardness, Shore D 62ASTM D2240
Tensile Strength at Break 19.3 MPaASTM D638
Tensile Strength, Yield 13.8 MPaASTM D638
Elongation at Break 300 %ASTM D638
Flexural Modulus 0.338 GPaASTM D790(B)
 
Thermal PropertiesOriginal ValueComments
Melting Point 51.0 - 89.0 °CASTM D3418(DSC)
Vicat Softening Point 71.0 °CASTM D1525

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