TECHNYL® PROTECT A 50X2 NC XB
Unreinforced Halogen-Free FR PA66/6 Copolymer · UL94 V0 @0.4mm · CTI 600V · Heat-Aging Stabilized · Natural
Halogen-Free FR
V0 @0.4mm
CTI 600V
Formerly DOMAMID FR 66/6VOM
UL94 @0.4mm
CTI (V)
FR System
Melting Point (°C)
TECHNYL® PROTECT A 50X2 NC XB (formerly DOMAMID FR 66/6VOM) is an unreinforced halogen-free flame retardant PA66/6 copolymer with heat-aging stabilization, designed for injection molding. This grade achieves UL94 V0 at 0.4mm ultra-thin wall thickness while offering CTI 600V excellent electrical performance. The natural color version is suitable for connectors, switches, relays and other E&E applications.
📋 Product Overview
- Product Series: TECHNYL PROTECT Flame Retardant Series
- Former Name: DOMAMID FR 66/6VOM
- Polymer Type: PA66/6 Copolymer
- Reinforcement: Unreinforced
- Flame Retardant System: Halogen-Free, Red Phosphorus Free
- UL94 Rating: V0 (0.40 / 0.75 / 1.5 / 3.0 mm)
- CTI: 600V (excellent electrical performance)
- Heat Stabilization: Heat-aging stabilized
- Thermal Performance: Melting Point 262°C, HDT 75°C @ 1.80MPa, 200°C @ 0.45MPa, Vicat Softening Point 215°C
- Mechanical Performance: Tensile Modulus 3600 MPa, Yield Stress 80 MPa, Strain at Break 15%
- Impact Performance: Charpy Notched Impact 4 kJ/m² (dry), improves to 9 kJ/m² when conditioned
- Processing: Injection Molding
- Color: Natural
- Certifications: RoHS, UL Yellow Card (E170540-100221782)
- Typical Applications: Connectors, switches, relays, E&E components
📊 Technical Data Sheet
Physical Properties
Mechanical Properties (Dry / Conditioned)
Thermal Properties
Electrical Properties
Flammability
✅ UL Yellow Card available (E170540-100221782)
🌟 Key Advantages
- ✅ Ultra-Thin Wall Flammability: UL94 V0 @0.4mm, industry-leading thin-wall FR performance
- ✅ Halogen-Free FR System: Halogen-free, red phosphorus free, environmentally friendly
- ✅ High CTI: 600V for excellent electrical insulation
- ✅ Heat-Aging Stabilized: Outstanding long-term thermal aging resistance
- ✅ High Flowability: Suitable for thin-wall complex injection molded parts
- ✅ Good Toughness: Notched impact improves to 9 kJ/m² when conditioned
- ✅ High Melting Point: 262°C for higher temperature environments
- ✅ Natural Color: Customizable for specific color requirements
- ✅ RoHS Compliant: Meets environmental regulations
⚙️ Processing Conditions
75 – 85°C / 2-4 hours
Dew point ≤ -30°C
260 – 280°C
60 – 80°C
The material is supplied in airtight bags, ready for use. If the virgin material has absorbed moisture, it must be dried with dehumidified air drying equipment, dew point minimum -30°C, recommended time 2-4 hours.
These parameters are typical of the product but should be related to the type of machinery used and to the type of moulded part.
🎯 Typical Applications
Electrical connectors, terminals
Appliance switches, relays
Thin-wall FR parts
🔗 Related Products
📎 Download & Technical Support
※ Click to download the complete technical datasheet. For inquiries, please contact us.
Disclaimer: The information provided in this documentation corresponds to our technical knowledge at the date of its publication and does not constitute a specification. DOMO cannot anticipate all conditions under which this information and our products may be used. DOMO accepts no responsibility for results obtained by the application of this information or for the safety and suitability of our products. Users are advised to make their own tests to determine the safety and suitability of each product for their own purposes. Unless otherwise agreed in writing, DOMO sells the product without warranties. Unless specifically indicated, the grade is not suitable for pharmaceutical/medical applications.
Source: DOMO Chemicals Official Technical Datasheet (TECHNYL PROTECT A 50X2 NC XB, formerly DOMAMID FR 66/6VOM, Document ID: 000021)
Last Updated: June 2026
