Engineering Plastics: POM, PEEK, PETP, NC NYLON, PPS, PC (transparent), Bakelite, Acrylic, Teflon / Applications
🔧 Engineering Plastics – Applications Overview

1️⃣ POM (Polyacetal / Acetal / Delrin)
Properties
- High rigidity and wear resistance
- Low friction coefficient
- Excellent dimensional stability
Typical Applications
- Precision gears, sliders, bearings
- Automation equipment components
- Jigs and locating pins
- CNC machine structural parts

2️⃣ PEEK (Polyether Ether Ketone)
Properties
- High temperature resistance (continuous use up to 250°C)
- Excellent chemical resistance
- High strength, low outgassing (semiconductor-friendly)
Typical Applications
- Semiconductor equipment components
- Internal structures for vacuum chambers
- Medical devices and aerospace parts
- High-temperature electrical insulation components

3️⃣ PETP (PET / Ertalyte)
Properties
- Outstanding dimensional stability
- Low moisture absorption
- Good wear resistance
Typical Applications
- Precision sliders
- Electronic equipment parts
- Food machinery components
- High-precision CNC machined parts

4️⃣ NC Nylon (PA6 / PA66)
Properties
- High toughness and impact resistance
- Easy to machine, cost-effective
- Higher moisture absorption (tolerance control required)
Typical Applications
- Rollers and pulleys
- Machine guards
- Industrial jigs
- General mechanical components

5️⃣ PPS (Polyphenylene Sulfide)
Properties
- High temperature resistance (continuous use approx. 200°C)
- Excellent chemical and acid/alkali resistance
- High dimensional stability and fatigue resistance
Typical Applications
- Semiconductor equipment structural parts
- Electronic connectors
- High-temperature jigs
- Precision electrical components
6️⃣ Transparent PC (Polycarbonate)
Properties
- High transparency
- Excellent impact resistance
- Easy to machine (moderate scratch resistance)
Typical Applications
- Observation windows and protective covers
- Transparent machine covers
- Industrial safety guards
- Lighting covers and viewing panels
7️⃣ Phenolic / Bakelite
Properties
- Excellent electrical insulation
- Heat-resistant and flame-retardant
- High rigidity with brittle characteristics
Typical Applications
- Electrical insulation boards
- Distribution panel components
- Jig base plates
- Motor and electrical components
8️⃣ Acrylic (PMMA)
Properties
- Extremely high transparency (higher than glass)
- Excellent surface appearance
- Lower impact resistance
Typical Applications
- Display windows and observation covers
- Equipment viewing panels
- Control panels and signage
- Decorative components
9️⃣ PTFE (Teflon)
Properties
- Extremely low friction coefficient
- High temperature and chemical resistance
- Non-stick surface
Typical Applications
- Seals and gaskets
- Sliding bushings
- Chemical piping components
- Anti-adhesion parts for semiconductor equipment
📊 Quick Application Reference
| Material | Key Applications |
|---|---|
| POM | Precision mechanisms, gears, guide rails |
| PEEK | Semiconductor, high-temperature, high-purity |
| PETP | High precision, low moisture absorption |
| Nylon | General machinery, cost-effective |
| PPS | High temperature, chemical resistance |
| PC | Transparency, protection |
| Phenolic | Electrical insulation |
| Acrylic | Visual display |
| PTFE | Low friction, non-stick |
✅ CNC Material Selection Guidelines
- High precision & stability → PETP / POM
- High temperature & semiconductor equipment → PEEK / PPS / PTFE
- Transparent observation → PC (impact-resistant) / Acrylic (aesthetic)
- Electrical insulation jigs → Phenolic
Engineering Plastics: POM, PEEK, PETP, NC NYLON, PPS, PC (transparent), Bakelite, Acrylic, Teflon / Applications
- POM precision gears
- POM sliding parts
- POM bearings
- POM CNC machining
- POM low friction parts
- POM wear resistant components
- POM automation components
- POM mechanical parts
- POM industrial gears
- POM custom CNC parts
PEEK high temperature parts
PEEK chemical resistant components
PEEK CNC machining
PEEK vacuum compatible parts
PEEK electrical insulation
Industry/Applications
PEEK semiconductor parts
PEEK medical components
PEEK aerospace parts
PEEK high purity components
PETP precision machining
PET low moisture absorption parts
PET wear resistant components
PET dimensional stability parts
Industry/Applications
PET food machinery parts
PET electronic equipment parts
PET CNC machined components
Nylon CNC machining
Nylon rollers and pulleys
Nylon industrial parts
Nylon impact resistant components
Industry/Application
Nylon automation parts
Nylon mechanical components
Nylon general purpose parts
PPS high temperature components
PPS chemical resistant parts
PPS CNC machining
PPS dimensional stability parts
Industry/Application
PPS semiconductor equipment parts
PPS electronic connectors
PPS high temperature jigs
Transparent PC machining
PC protective covers
PC machine windows
PC impact resistant panels
Industry/Application
PC safety guards
PC CNC machined covers
PC industrial enclosures
Bakelite electrical insulation parts
Phenolic machining
Phenolic industrial boards
Bakelite CNC components
Industry/Application
Bakelite electrical components
Phenolic jigs and fixtures
Bakelite insulation blocks
Acrylic CNC machining
Acrylic transparent covers
Acrylic display panels
PMMA precision machining
Industry/Application
Acrylic machine windows
Acrylic equipment covers
Acrylic industrial display parts
PTFE low friction components
PTFE chemical resistant parts
PTFE high temperature seals
PTFE CNC machining
Industry/Application
PTFE semiconductor parts
PTFE sealing components
PTFE non-stick industrial parts
CNC machined plastic parts
Engineering plastics CNC machining
Custom plastic machining
Semiconductor plastic components
High precision plastic parts
Industrial plastic components supplier
Plastic CNC machining manufacturer
Yongyi Technology Co., Ltd.
location_on 42756 No. 188-9, Section 1, Dafeng Road, Tanzih District, Taichung City, Taiwan
Call: +886-4-25341382
Ring_Volume: +886-4-25341847
Email: yongyi-sales@umail.hinet.net
Email: justinwu6767@gmail.com

