PA-DuPont Zytel 101L
PA-DuPont Zytel 101Lは、Celanese（旧DuPont）によって開発された潤滑性ポリアミド66（PA66）樹脂であり、剛性と靭性の最適なバランスを必要とする構造用および耐摩耗用途に高い仕様で使用されます。密度1.14 g/cm³、融点262°Cを誇るこの未変性ナイロングレードは、優れた耐薬品性、高い機械的強度、優れた自己潤滑性を備えています。IATF 16949およびISO 9001認証を保有するJucheng Precisionは、Zytel 101Lの加工に優れています。5軸CNC加工された工具と科学的な水分乾燥制御を活用して、ナイロンの高い収縮率（1.3%-2.2%）を軽減し、Zeiss CMMで検証された寸法安定性のあるギアとブラケットを提供します。.
DuPont Zytel 101L Mechanical and Physical Profile
Zytel® 101L NC010 is a lubricated, unmodified polyamide 66 (PA66) resin engineered by Celanese (formerly DuPont) to deliver high tensile strength, stiffness, and excellent wear resistance under dry-as-molded (DAM) conditions:
| 物理与强度参数 | Zytel 101L Typical Value (DAM) | 成形部品のエンジニアリング上の利点 |
|---|---|---|
| 引張剛性 | Tensile Modulus 3100 MPa / Yield 82 MPa | Provides superior room-temperature load-bearing capacity, preventing deformation in dynamic mechanical gears and levers. |
| Self-Lubrication | Integrated Internal Lubricant package | Minimizes surface friction and wear, allowing gears, sliding bearings, and pulleys to run quietly and smoothly without oil. |
| Toughness Balance | ISO Notched Izod Impact 5.5 kJ/m² | Provides excellent energy absorption under impact load, preventing structural cracking of dynamic snap-fits and hinges. |
Wear and Structural Process Compatibility for Zytel 101L
With its high mechanical strength and lubricated matrix, Zytel 101L processes reliably in high-tolerance tools:
| 成形プロセス | 成形適合性と運用詳細 |
|---|---|
| Self-Lubricating Gears & Bearings | Excellent. Highly suitable for precision spur gears, sliding bearings, pulleys, dynamic rollers, and drive shafts requiring high dimensional accuracy. |
| Heavy-Duty Brackets & Fasteners | Excellent. Ideal for functional automotive brackets, cable ties, heavy-duty snap-fit clamps, structural fasteners, and hardware housings. |
| Multi-Cavity Electronics Molding | Good. High flowability and low molecular weight support rapid cavity filling on multi-cavity runs for terminal blocks and switches. |
PA-DuPont Zytel 101L Tooling & Moisture Control Guide
Processing a semi-crystalline and highly hygroscopic polyamide like Zytel 101L demands careful moisture drying and precise gate planning to manage high shrinkage:
- Rigorous Desiccant Pre-Drying: Polyamide 66 absorbs moisture aggressively. If molded wet, the polymer chains hydrolyze, destroying mechanical toughness and causing surface splay. We dry raw resin in desiccant dryers at 80°C–100°C (176°F–212°F) for 4–6 hours to keep moisture strictly below 0.10% (ideally <0.08%).
- Managing Anisotropic Shrinkage: Unreinforced PA66 exhibits high, directional shrinkage (typically 1.3% to 2.2%). Our tooling division utilizes advanced Moldflow analysis during our free 24-hour DFM stage to balance gate placement, preventing part warpage and ensuring exact gear tooth geometries.
- Melt & Mold Temperature Profile: Processing melt temperatures are maintained between 280°C and 300°C (536°F to 572°F). Mold temperatures are kept at 60°C to 90°C (140°F to 194°F) using pressurized water heaters to maximize mechanical crystallinity.
- Tool Steel Hardness & Polish: To achieve smooth surfaces and prevent rapid gate wear, we use hardened S136 stainless steel mold cavity blocks, mirror-polished on our 5-axis CNCs. This ensures dynamic components release cleanly without drag marks.
Key Application Fields for PA-DuPont Zytel 101L
- 自動車パワートレイン＆シャーシ（IATF 16949）： Dynamic gear assemblies, wire harness clips, structural brackets, sensor covers, and sliding sleeves.
- Industrial Machinery & Transmission: Spur gears, worm gears, sliding bearings, guide rails, conveyor rollers, and heavy-duty cable ties.
- 電気・スマートグリッド機器： Terminal blocks, DIN-rail connectors, electrical housings, socket brackets, and heavy-duty switches.
プロパティ
| Density (DAM) | 1.14 g/cm³ |
| 融点 | 262 °C |
| 引張弾性率（DAM） | 3,100 MPa |
| 降伏点引張応力（DAM） | 82 MPa |
| 公称引張破断ひずみ（DAM） | 15 - 25 % |
| 弯曲模量（DAM） | 2,800 - 3,100 MPa |
| 弯曲强度（DAM） | 110 MPa |
| アイゾットノッチ付き衝撃強さ（23°C、DAM） | 5.5 kJ/m² |
| 吸水率（平衡，50% 相对湿度） | 2.8 % |
| 熱変形温度（HDT @ 0.45 MPa） | 200 °C |
| 熱変形温度（HDT @ 1.80 MPa） | 75 °C |
| 線形成形収縮率 | 1.30 - 2.20 % |
| 難燃性評価（1.5mm） | UL 94 V-2 クラス |
| 最大部品サイズ | 800 x 600 mm |
| 最小部品サイズ | 1 x 1 mm |