Materials Guide

Name (Generic): Acetal
Brand Names: Delrin, Celcon Moldability Charactersitics
Relative Cost: Medium Warp and Dimensional Accuracy, Molded: Fair
Fills Small Features: Fair
Mechanical Properties Voids in Thick Sections: Poor
Strength: Medium Sink in Thick Sections: Good
Impact Resistance: Medium Flash: Good
High Temp Strength: Medium-Low High Temperature Hard on Mold & Ejectors: Fair

 

Name (Generic): Nylon 6/6
Brand Names: Zytel Moldability Charactersitics
Relative Cost: Medium Warp and Dimensional Accuracy, Molded: Fair
Fills Small Features: Excellent
Mechanical Properties Voids in Thick Sections: Good
Strength: Medium Sink in Thick Sections: Fair
Impact Resistance: High Flash: Poor
High Temp Strength: Low High Temperature Hard on Mold & Ejectors: Fair

 

Name (Generic): Nylon 6/6, glass filled
Brand Names: Zytel Moldability Charactersitics
Relative Cost: Medium Warp and Dimensional Accuracy, Molded: Fair
Fills Small Features: Good
Mechanical Properties Voids in Thick Sections: Excellent
Strength: High Sink in Thick Sections: Good
Impact Resistance: Medium Flash: Fair
High Temp Strength: High High Temperature Hard on Mold & Ejectors: Fair

 

Name (Generic): Polypropylene
Brand Names: Maxxam, Profax Moldability Charactersitics
Relative Cost: Low Warp and Dimensional Accuracy, Molded: Fair
Fills Small Features: Excellent
Mechanical Properties Voids in Thick Sections: Poor
Strength: Low Sink in Thick Sections: Poor
Impact Resistance: High Flash: Poor
High Temp Strength: Low High Temperature Hard on Mold & Ejectors: Good

 

Name (Generic): High Density Polyethylene (HDPE)
Brand Names: Dow HDPE, Chevron HDPE Moldability Charactersitics
Relative Cost: Low Warp and Dimensional Accuracy, Molded: Fair
Fills Small Features: Excellent
Mechanical Properties Voids in Thick Sections: Unknown
Strength: Low Sink in Thick Sections: Poor
Impact Resistance: High Flash: Poor
High Temp Strength: Low High Temperature Hard on Mold & Ejectors: Good

 

Name (Generic): Polycarbonate
Brand Names: Lexan, Makrolon Moldability Charactersitics
Relative Cost: Medium-High Warp and Dimensional Accuracy, Molded: Good
Fills Small Features: Fair
Mechanical Properties Voids in Thick Sections: Fair to Good
Strength: Medium Sink in Thick Sections: Fair
Impact Resistance: High Flash: Good
High Temp Strength: Medium-High High Temperature Hard on Mold & Ejectors: Good

 

Name (Generic): Acrylonitrile Butadiene Styrene (ABS)
Brand Names: Lustran, Cycolac Moldability Charactersitics
Relative Cost: Low Warp and Dimensional Accuracy, Molded: Good
Fills Small Features: Fair
Mechanical Properties Voids in Thick Sections: Good
Strength: Medium-Low Sink in Thick Sections: Fair
Impact Resistance: High Flash: Good
High Temp Strength: Low High Temperature Hard on Mold & Ejectors: Good

 

Name (Generic): Polycarbonate/ABS Alloy
Brand Names: Cycoloy, Bayblend Moldability Charactersitics
Relative Cost: Medium Warp and Dimensional Accuracy, Molded: Good-Excellent
Fills Small Features: Fair
Mechanical Properties Voids in Thick Sections: Good
Strength: Medium Sink in Thick Sections: Fair
Impact Resistance: High Flash: Good
High Temp Strength: Medium High Temperature Hard on Mold & Ejectors: Good

 

Name (Generic): Polyetherimide
Brand Names: Ultem Moldability Charactersitics
Relative Cost: High Warp and Dimensional Accuracy, Molded: Good-Excellent
Fills Small Features: Fair
Mechanical Properties Voids in Thick Sections: Fair
Strength: High Sink in Thick Sections: Good
Impact Resistance: Medium Flash: Good
High Temp Strength: High High Temperature Hard on Mold & Ejectors: Poor

 

Name (Generic): Polyethermide, fiber reinforced
Brand Names: Ultem Moldability Charactersitics
Relative Cost: High Warp and Dimensional Accuracy, Molded: Good
Fills Small Features: Fair
Mechanical Properties Voids in Thick Sections: Fair
Strength: Very High Sink in Thick Sections: Good
Impact Resistance: Medium Flash: Excellent
High Temp Strength: High High Temperature Hard on Mold & Ejectors: Poor

 

Name (Generic): Polybutylene Terephthalate
Brand Names: Valox, Crastin Moldability Charactersitics
Relative Cost: Medium-High Warp and Dimensional Accuracy, Molded: Fair
Fills Small Features: Fair
Mechanical Properties Voids in Thick Sections: Unknown
Strength: Medium Sink in Thick Sections: Fair
Impact Resistance: High Flash: Fair
High Temp Strength: Low High Temperature Hard on Mold & Ejectors: Good

 

Name (Generic): Polystyrene
Brand Names: Styron Moldability Charactersitics
Relative Cost: Low Warp and Dimensional Accuracy, Molded: Good
Fills Small Features: Good
Mechanical Properties Voids in Thick Sections: Unknown
Strength: Medium-Low Sink in Thick Sections: Fair
Impact Resistance: Low Flash: Fair
High Temp Strength: Low High Temperature Hard on Mold & Ejectors: Good

 

Name (Generic): Thermoplastic Elastomer
Brand Names: Isoplast, Santoprene Moldability Charactersitics
Relative Cost: Low-Medium Warp and Dimensional Accuracy, Molded: Poor
Fills Small Features: Excellent
Mechanical Properties Voids in Thick Sections: Excellent
Strength: Low Sink in Thick Sections: Good
Impact Resistance: High Flash: Poor
High Temp Strength: Low High Temperature Hard on Mold & Ejectors: Excellent

 

Name (Generic): Acrylic
Brand Names: Plexiglass, Acrylite Moldability Charactersitics
Relative Cost: Medium Warp and Dimensional Accuracy, Molded: Good
Fills Small Features: Fair
Mechanical Properties Voids in Thick Sections: Excellent
Strength: Medium Sink in Thick Sections: Good
Impact Resistance: Low Flash: Good
High Temp Strength: Low High Temperature Hard on Mold & Ejectors: Good

 

For more in-depth resins and plastics information, visit www.IDES.com.

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