Engineering Plastics &
Molding Diagnostics Database
The independent B2B technical library for manufacturing engineers, injection molding technicians, and procurement specialists. High-performance polymer properties and machine alarm code diagnostics — organized, cross-referenced, zero-latency.
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PEEK vs. PPS: Selecting the Optimal Chemical-Resistant Polymer for Demanding Environments
A comparative analysis of PEEK and PPS (Polyphenylene Sulfide), focusing on chemical resistance, thermal stability, mechanical performance, and...
Read Guide →PEEK vs. PTFE (Teflon): Selecting Between High-Performance and Ultra-Low Friction Polymers
A comparative analysis of PEEK and PTFE (Teflon), examining the trade-offs between mechanical strength and ultra-low friction, chemical inertness,...
Read Guide →Torlon (PAI) vs. PEEK: Selecting the Polymer for Extreme Mechanical and Thermal Demands
A comparative analysis of Torlon (Polyamide-imide, PAI) and PEEK, examining where Torlon's superior mechanical strength and PEEK's better...
Read Guide →Database Categories
High-Performance Polymers
Mechanical, thermal, and processing data for engineering-grade and high-performance thermoplastics.
Machine Alarms
Alarm code definitions, root cause diagnostics, and brand-specific troubleshooting guides.
Material Comparisons
Side-by-side selection guides comparing polymers across mechanical, thermal, chemical, and cost dimensions.
Engineering Thermoplastics
Alarm code definitions, root cause diagnostics, and brand-specific troubleshooting guides.
Engineering Plastics Processing
Alarm code definitions, root cause diagnostics, and brand-specific troubleshooting guides.
High-Performance Polymers
Mechanical properties, thermal characteristics, processing guidance, and cross-referenced equivalents for engineering thermoplastics used in aerospace, medical, semiconductor, and oil & gas applications.
PEEK Polyetheretherketone: High-Performance Polymer Properties & Equivalents
| Tensile Strength | 100 MPa |
|---|---|
| Melting Point | 343 °C |
| Shrinkage Rate | 1.2% |
| Flexural Modulus | 4.1 GPa |
| Hdt | 160 °C at 1.82 MPa |
| Continuous Service Temp | 260 °C |
| Tensile Modulus | 3.6 GPa |
| Yield Strength | 100 MPa |
| Elongation At Break | 20% |
Ultem PEI (Polyetherimide): High-Temperature Amorphous Thermoplastic Properties
| Tensile Strength | 105 MPa |
|---|---|
| Melting Point | N/A (Amorphous, Tg 217°C) |
| Shrinkage Rate | 0.5-0.7% |
| Flexural Modulus | 3.5 GPa |
| Hdt | 200 °C at 1.82 MPa |
| Continuous Service Temp | 170 °C |
| Tensile Modulus | 3.2 GPa |
| Yield Strength | 105 MPa |
| Elongation At Break | 10% |
PTFE Teflon: Ultimate Chemical Resistance & Low-Friction Polymer Data
| Tensile Strength | 25 MPa |
|---|---|
| Melting Point | 327 °C |
| Shrinkage Rate | 2.0-5.0% |
| Flexural Modulus | 0.6 GPa |
| Hdt | 55 °C at 1.82 MPa |
| Coefficient Of Friction | 0.04 (lowest of any solid) |
PPS Ryton: Polyphenylene Sulfide High-Temp Chemical-Resistant Polymer
| Tensile Strength | 90 MPa (unfilled); 160 MPa (40% GF) |
|---|---|
| Melting Point | 285 °C |
| Shrinkage Rate | 0.3-0.5% (40% GF) |
| Flexural Modulus | 3.8 GPa (unfilled); 14 GPa (40% GF) |
| Hdt | 265 °C at 1.82 MPa (40% GF) |
| Continuous Service Temp | 220 °C |
LCP Vectra: Liquid Crystal Polymer for Micro-Molding & Electronic Connectors
| Tensile Strength | 180 MPa (flow direction) |
|---|---|
| Melting Point | 280-335 °C (grade dependent) |
| Shrinkage Rate | 0.1% (flow) / 0.4% (transverse) |
| Flexural Modulus | 12 GPa |
| Hdt | 270 °C at 1.82 MPa |
| Continuous Service Temp | 240 °C |
Vespel Polyimide: Extreme-Temperature Polymer for Aerospace & Semiconductor
| Tensile Strength | 85 MPa |
|---|---|
| Melting Point | N/A (Does not melt; Tg ~360°C) |
| Shrinkage Rate | N/A (Direct-formed, not molded) |
| Flexural Modulus | 3.1 GPa |
| Hdt | 360 °C |
| Continuous Service Temp | 300 °C (air); 350°C (inert) |
Machine Alarm Diagnostics
Alarm code definitions, root cause analysis, and step-by-step troubleshooting for Netstal, Arburg, and Engel injection molding machines.
Netstal Alarm 102: Heating Zone Temperature Out of Range - Troubleshooting Guide
| Severity | High (Machine Stop) |
|---|---|
| Component | Heating Band / Thermocouple |
| Affected Systems | Injection Unit |
Arburg Error 320: Barrel Heating Control Failure - Troubleshooting Guide
| Severity | Critical (Interlock) |
|---|---|
| Component | Solid State Relay / Heating Circuit |
| Affected Systems | Heating Controller / Selogica |
Engel Alarm 405: Screw Recovery Time Exceeded - Diagnostics & Fix
| Severity | Medium (Cycle Delay / Warning) |
|---|---|
| Component | Screw Drive Motor / Hydraulic Pump |
| Affected Systems | Plasticizing Unit / CC300 Controller |
Netstal Alarm 301: Mold Protection Force Exceeded - Troubleshooting
| Severity | Critical (Immediate Stop) |
|---|---|
| Component | Mold Protection System / Clamping Unit |
| Affected Systems | Clamp / Mold Safety |
Sumitomo Demag Alarm 220: Clamp Force Not Reached - Diagnostics & Troubleshooting
| Severity | High (Cycle Interruption) |
|---|---|
| Component | Clamping Unit / Hydraulic System |
| Affected Systems | Clamp Cylinder / NC5 Controller |
KraussMaffei Alarm MC45: Injection Pressure Limit Exceeded - Troubleshooting Guide
| Severity | High (Process Deviation / Cycle Stop) |
|---|---|
| Component | Injection Unit / Hydraulic System |
| Affected Systems | MC6 Controller / Injection Cylinder |
Material Comparisons
Side-by-side selection guides comparing high-performance polymers across mechanical, thermal, chemical, and cost dimensions. Designed for materials engineers making critical polymer decisions.
PEEK vs Ultem PEI: Which High-Performance Polymer Should You Choose?
| Materials | PEEK (Polyetheretherketone) vs Ultem PEI (Polyetherimide) |
|---|---|
| Key Differentiator | |
| Cost | PEEK 2-3× more expensive than Ultem PEI |
PPS Ryton vs LCP Vectra: Which Ultra-Flow High-Temp Polymer for Precision Parts?
| Materials | PPS Ryton (Polyphenylene Sulfide) vs LCP Vectra (Liquid Crystal Polymer) |
|---|---|
| Key Differentiator | |
| Cost | PPS is 50-70% of LCP cost |
PTFE Teflon vs PEEK: Chemical Resistance vs Mechanical Strength Trade-Off
| Materials | PTFE Teflon (Polytetrafluoroethylene) vs PEEK (Polyetheretherketone) |
|---|---|
| Key Differentiator | |
| Cost | PTFE is 30-50% of PEEK cost |
Vespel Polyimide vs PEEK: When the Highest-Temperature Polymer Is the Only Option
| Materials | Vespel PI (Polyimide) vs PEEK (Polyetheretherketone) |
|---|---|
| Key Differentiator | |
| Cost | Vespel SP-1 5-10× more expensive than PEEK |
Torlon PAI vs Vespel PI: Ultimate High-Temperature Polymer Comparison
| Materials | Torlon PAI (Polyamide-imide) vs Vespel PI (Polyimide) |
|---|---|
| Key Differentiator | Torlon: lower cost, easier processing. Vespel: 100°C higher continuous service. |
| Cost | Torlon: $$ | Vespel: $$$$ |
Glass Fiber vs Carbon Fiber Reinforced Thermoplastics: Complete Performance Comparison
| Materials | Glass Fiber Reinforced (GFR) Thermoplastics vs Carbon Fiber Reinforced (CFR) Thermoplastics |
|---|---|
| Key Differentiator | CFR provides 2-3× higher stiffness-to-weight ratio and electrical conductivity vs GFR's lower cost and radio-transparency |
| Cost |
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