POM Plastic Sheets Delrin Sheets 10mm Plates
2 month ago
Product details
POM C Sheets Delrin Sheet 10mm Plates
Differences between "C-Type" (Copolymer) and "H-Type" (Homopolymer)
| Characteristics | POM C (Copolymer) | POM H (Homopolymer) |
| Molecular Structure | Formaldehyde + Comonomer (e.g., ethylene oxide) Copolymer | Pure Formaldehyde Homopolymer |
| Toughness | Higher (excellent impact resistance, low notch sensitivity) | Lower (prone to cracking at notches) |
| Processability | More stable (uniform melt flow, less prone to decomposition) | Narrow processing temperature window, prone to thermal degradation |
| Thermal Stability | High decomposition temperature (approximately 240°C), low formaldehyde release | Low decomposition temperature (approximately 220°C), high formaldehyde release |
| Dimensional Stability | Slightly lower (slightly higher water absorption, approximately 0.2-0.3%) | Higher (lower water absorption, approximately 0.1-0.2%) |
| Typical Applications | Precision parts, gears, bearings, electronic components | High-rigidity structural parts (e.g., gears, cams) |
Core advantages and typical application scenarios
Summary of core advantages
"Plastic steel" rigidity: elastic modulus is close to that of metal, suitable for structural parts with high loads (such as brackets, trays).
Precision dimensional control: low water absorption + low shrinkage, tolerance after processing can reach ±0.01mm (suitable for gears, precision mold inserts).
Self-lubricating and wear-resistant: long-term operation without additional lubrication (such as guide rails, chain guides).
Fatigue resistance and durability: suitable for mechanical parts with high cycle times (such as automobile throttle shafts, printer gears).
Easy to process and shape: complex parts can be quickly made through cutting, drilling, milling, turning and other processes.
Typical application scenarios
Precision machinery and transmission components
- Gears and racks: replace metal gears (such as small reduction gears, power tool transmission gears), self-lubricating and wear-resistant, low noise.
- Bearings and slides: Machine tool guide rails and slides, linear bearings for automation equipment (oil-free lubrication, lifespan up to tens of thousands of hours).
- Cams and connecting rods: High-precision cam mechanisms (such as drive components for textile machinery and packaging machinery).
Electronic and electrical equipment
- Insulating structural parts: Circuit board brackets, switch button bases (electrically insulated and heat-resistant, RoHS-compliant).
- Precision connectors: Positioning plates and pin holders for electronic components (high dimensional stability, ensuring contact accuracy).
Automotive parts
- Interior precision parts: Instrument panel gears, air conditioning vent regulators (high temperature resistance and lightweight).
- Transmission auxiliary parts: Throttle shaft sleeves, door stopper sliders (wear-resistant and fatigue-resistant).
Medical devices and laboratory equipment
- Precision instrument parts: Microscope stage adjustment knobs, analytical balance support structures (high rigidity and no magnetic interference).
- Surgical instrument accessories: forceps handles, surgical trays (easy to sterilize and corrosion-resistant).
Daily and industrial products
- Home appliance gears: washing machine spin-drying drum gears, vacuum cleaner transmission components (low noise and durable).
- Industrial fixtures: mold positioning blocks, fixture reference plates (high dimensional accuracy and small repeatability).
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