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.

Browse Materials Diagnose Alarms

Engineering Insights View all →

Engineering Insight 2026-06-08

Injection Molding Defect Troubleshooting: Short Shots, Flash, Warpage & Sink Marks — Root Causes & Process Fixes

A practical troubleshooting guide for the four most common injection molding defects: short shots (incomplete filling), flash (excess material at...

Read Guide →

Engineering Insight 2026-06-07

When Plastics Beat Metal: A Practical Guide to Replacing Steel with High-Performance Polymers (2026)

When should you replace a metal component with PEEK, Ultem, Torlon, or Vespel? A practical selection guide covering temperature limits, chemical...

Read Guide →

Engineering Insight 2026-06-05

The Complete Injection Molding Defect Troubleshooting Guide: 15 Common Problems and Solutions

The most comprehensive injection molding defect guide online — covering flash, short shots, warpage, sink marks, weld lines, burn marks, jetting,...

Read Guide →

Database Categories

High-Performance Polymers

56 entries

Mechanical, thermal, and processing data for engineering-grade and high-performance thermoplastics.

Machine Alarms

65 entries

Alarm code definitions, root cause diagnostics, and brand-specific troubleshooting guides.

Material Comparisons

21 entries

Side-by-side selection guides comparing polymers across mechanical, thermal, chemical, and cost dimensions.

Engineering Thermoplastics

8 entries

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.

High-Performance Polymers

PEEK Polyetheretherketone: High-Performance Polymer Properties & Equivalents

Tensile Strength100 MPa
Melting Point343 °C
Shrinkage Rate1.2%
Flexural Modulus4.1 GPa
Hdt160 °C at 1.82 MPa
Continuous Service Temp260 °C

High-Performance Polymers

Ultem PEI (Polyetherimide): High-Temperature Amorphous Thermoplastic Properties

Tensile Strength105 MPa
Melting PointN/A (Amorphous, Tg 217°C)
Shrinkage Rate0.5-0.7%
Flexural Modulus3.5 GPa
Hdt200 °C at 1.82 MPa
Continuous Service Temp170 °C

High-Performance Polymers

PTFE Teflon: Ultimate Chemical Resistance & Low-Friction Polymer Data

Tensile Strength25 MPa
Melting Point327 °C
Shrinkage Rate2.0-5.0%
Flexural Modulus0.6 GPa
Hdt55 °C at 1.82 MPa
Coefficient Of Friction0.04 (lowest of any solid)

High-Performance Polymers

PPS Ryton: Polyphenylene Sulfide High-Temp Chemical-Resistant Polymer

Tensile Strength90 MPa (unfilled); 160 MPa (40% GF)
Melting Point285 °C
Shrinkage Rate0.3-0.5% (40% GF)
Flexural Modulus3.8 GPa (unfilled); 14 GPa (40% GF)
Hdt265 °C at 1.82 MPa (40% GF)
Continuous Service Temp220 °C

High-Performance Polymers

LCP Vectra: Liquid Crystal Polymer for Micro-Molding & Electronic Connectors

Tensile Strength180 MPa (flow direction)
Melting Point280-335 °C (grade dependent)
Shrinkage Rate0.1% (flow) / 0.4% (transverse)
Flexural Modulus12 GPa
Hdt270 °C at 1.82 MPa
Continuous Service Temp240 °C

High-Performance Polymers

Vespel Polyimide: Extreme-Temperature Polymer for Aerospace & Semiconductor

Tensile Strength85 MPa
Melting PointN/A (Does not melt; Tg ~360°C)
Shrinkage RateN/A (Direct-formed, not molded)
Flexural Modulus3.1 GPa
Hdt360 °C
Continuous Service Temp300 °C (air); 350°C (inert)

View all 64 polymer entries →

Machine Alarm Diagnostics

Alarm code definitions, root cause analysis, and step-by-step troubleshooting for Netstal, Arburg, and Engel injection molding machines.

Netstal Code 102

Netstal Alarm 102: Heating Zone Temperature Out of Range - Troubleshooting Guide

SeverityHigh (Machine Stop)
ComponentHeating Band / Thermocouple
Affected SystemsInjection Unit

Arburg Code 320

Arburg Error 320: Barrel Heating Control Failure - Troubleshooting Guide

SeverityCritical (Interlock)
ComponentSolid State Relay / Heating Circuit
Affected SystemsHeating Controller / Selogica

Engel Code 405

Engel Alarm 405: Screw Recovery Time Exceeded - Diagnostics & Fix

SeverityMedium (Cycle Delay / Warning)
ComponentScrew Drive Motor / Hydraulic Pump
Affected SystemsPlasticizing Unit / CC300 Controller

Netstal Code 301

Netstal Alarm 301: Mold Protection Force Exceeded - Troubleshooting

SeverityCritical (Immediate Stop)
ComponentMold Protection System / Clamping Unit
Affected SystemsClamp / Mold Safety

Sumitomo Demag Code 220

Sumitomo Demag Alarm 220: Clamp Force Not Reached - Diagnostics & Troubleshooting

SeverityHigh (Cycle Interruption)
ComponentClamping Unit / Hydraulic System
Affected SystemsClamp Cylinder / NC5 Controller

KraussMaffei Code MC45

KraussMaffei Alarm MC45: Injection Pressure Limit Exceeded - Troubleshooting Guide

SeverityHigh (Process Deviation / Cycle Stop)
ComponentInjection Unit / Hydraulic System
Affected SystemsMC6 Controller / Injection Cylinder

View all 65 alarm entries →

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.

Comparison

PEEK vs Ultem PEI: Which High-Performance Polymer Should You Choose?

MaterialsPEEK (Polyetheretherketone) vs Ultem PEI (Polyetherimide)
Key Differentiator
CostPEEK 2-3× more expensive than Ultem PEI

Comparison

PPS Ryton vs LCP Vectra: Which Ultra-Flow High-Temp Polymer for Precision Parts?

MaterialsPPS Ryton (Polyphenylene Sulfide) vs LCP Vectra (Liquid Crystal Polymer)
Key Differentiator
CostPPS is 50-70% of LCP cost

Comparison

PTFE Teflon vs PEEK: Chemical Resistance vs Mechanical Strength Trade-Off

MaterialsPTFE Teflon (Polytetrafluoroethylene) vs PEEK (Polyetheretherketone)
Key Differentiator
CostPTFE is 30-50% of PEEK cost

Comparison

Vespel Polyimide vs PEEK: When the Highest-Temperature Polymer Is the Only Option

MaterialsVespel PI (Polyimide) vs PEEK (Polyetheretherketone)
Key Differentiator
CostVespel SP-1 5-10× more expensive than PEEK

Comparison

Torlon PAI vs Vespel PI: Ultimate High-Temperature Polymer Comparison

MaterialsTorlon PAI (Polyamide-imide) vs Vespel PI (Polyimide)
Key DifferentiatorTorlon: lower cost, easier processing. Vespel: 100°C higher continuous service.
CostTorlon: $$ | Vespel: $$$$

Comparison

Glass Fiber vs Carbon Fiber Reinforced Thermoplastics: Complete Performance Comparison

MaterialsGlass Fiber Reinforced (GFR) Thermoplastics vs Carbon Fiber Reinforced (CFR) Thermoplastics
Key DifferentiatorCFR provides 2-3× higher stiffness-to-weight ratio and electrical conductivity vs GFR's lower cost and radio-transparency
Cost

View all 21 comparison guides →

Recently Added

Engineering Thermoplastics 2026-06-08

PA66 Nylon 66 Unfilled: Standard Engineering Thermoplastic for Mechanical Components

Engineering Thermoplastics 2026-06-08

PA6 Nylon 6 Unfilled: Versatile General-Purpose Engineering Thermoplastic

Engineering Thermoplastics 2026-06-08

PC Polycarbonate Unfilled: Transparent High-Impact Engineering Plastic

Engineering Thermoplastics 2026-06-08

ABS Unfilled: General-Purpose Impact-Resistant Engineering Plastic for Consumer Goods

Engineering Thermoplastics 2026-06-08

PMMA Acrylic: Optical-Grade Transparent Engineering Plastic

High-Performance Polymers 2026-06-08

PTFE 25% Glass-Filled: Enhanced Wear Resistance & Dimensional Stability

Why Propprose?

Data-Driven

Aggregated from public standards, OEM manuals, and industry-recognized references. All data cross-referenced for accuracy.

Zero Latency

Pre-built static pages served via CDN. No database queries, no API calls — instant page loads worldwide.

B2B Focused

Built for manufacturing engineers, process technicians, and procurement specialists — not hobbyists.