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TECHNYL® PROTECT AT 20 V25 P NC

PA66/PET Blend Red Phosphorus FR 25% Glass Fiber Reinforced · UL94 V0 · Excellent Thermal Stability

25% Glass Fiber
UL94 V0
Red Phosphorus FR
PA66/PET Blend

25%
Glass Fiber
V0
UL94 Rating
575
CTI (V) · PLC 1
960
GWFI (°C)

TECHNYL® PROTECT AT 20 V25 P NC is a PA66/PET blend red phosphorus flame retardant grade, reinforced with 25% glass fiber with heat-aging stabilization, specifically developed for injection molding. This grade offers UL94 V0 flammability rating (0.75mm), excellent glow wire performance (GWFI 960°C), as well as good mechanical properties and thermal stability. Suitable for electrical/electronic applications, small appliances, connectors, and more.

📋 Product Overview

  • Polymer Type: PA66 + PET Blend
  • Reinforcement: 25% Glass Fiber
  • Flame Retardant System: Red Phosphorus FR
  • UL94 Rating: V0 at 0.75/1.5/3.0mm
  • Glow Wire Performance: GWFI 960°C
  • Heat Stabilized: Yes
  • Processing: Injection Molding
  • Colors Available: Black, Grey, Natural
  • Certifications: RoHS, REACH, UL Yellow Card
  • Typical Applications: Electrical/Electronic, Small Appliances, Connectors, White Goods

📊 Technical Data Sheet

Physical Properties

Property Standard Value Unit
Density ISO 1183 1.36 g/cm³
Humidity Absorption (23°C / 50% RH) ISO 62 1.5 – 1.6 %
Water Absorption (24h, 23°C) ISO 62 0.65 – 0.75 %
Molding Shrinkage (parallel) ISO 294-4 0.4 – 0.6 %
Molding Shrinkage (normal) ISO 294-4 0.9 – 1.1 %
MVR (275°C, 5kg) ISO 1133 28.0 cm³/10min
Viscosity Number ISO 307 145 cm³/g

Mechanical Properties (DAM / Conditioned)

Property Standard Value (DAM / Cond.) Unit
Tensile Modulus ISO 527-1/-2 8000 / 6100 MPa
Stress at Break ISO 527-1/-2 135 / 100 MPa
Strain at Break ISO 527-1/-2 3 / 4.5 %
Flexural Modulus ISO 178 7000 / 5400 MPa
Flexural Strength ISO 178 190 / 140 MPa
Charpy Impact Strength (+23°C) ISO 179/1eU 60 / 70 kJ/m²
Charpy Notched Impact (+23°C) ISO 179/1eA 11 / 16 kJ/m²
Izod Impact Strength (+23°C) ISO 180/1U 55 / 65 kJ/m²
Izod Notched Impact (+23°C) ISO 180/1A 10 / 16 kJ/m²

Thermal Properties

Property Standard Value Unit
Melting Temperature ISO 11357-1 262 °C
HDT (0.45 MPa) ISO 75 250 °C
HDT (1.80 MPa) ISO 75 230 °C
Vicat Softening Temperature ISO 306 245 °C

Electrical Properties

Property Standard Value Unit/Rating
Volume Resistivity IEC 62631-3-1 1.0E+16 ohm.m
Surface Resistivity IEC 62631-3-1 1.0E+14 ohm
Comparative Tracking Index (CTI) IEC 60112 575 V
CTI Performance Level IEC 60112 PLC 1 —

Flammability

Property Thickness Standard Rating/Value
UL 94 Flammability 0.75 mm UL 94 V0
UL 94 Flammability 1.5 mm UL 94 V0
UL 94 Flammability 3.0 mm UL 94 V0
GWFI (0.75/1.5/3.0 mm) — IEC 60695-2-12 960 °C
GWIT (0.75 mm) — IEC 60695-2-13 750 °C
GWIT (1.5 mm) — IEC 60695-2-13 725 °C
GWIT (3.0 mm) — IEC 60695-2-13 775 °C
Oxygen Index — ISO 4589 27%
FMVSS Burning Rate 1 mm FMVSS 302 <100 mm/min

✅ UL Yellow Card available (E170540-101492181)

🌟 Key Advantages

  • ✅ UL94 V0 Flammability Rating: V0 at 0.75mm thin wall, meeting stringent electrical safety requirements
  • ✅ Excellent Glow Wire Performance: GWFI 960°C, GWIT 725-775°C
  • ✅ PA66/PET Blend System: Combines mechanical properties of PA66 with dimensional stability of PET
  • ✅ 25% Glass Fiber Reinforced: Good balance of mechanical properties
  • ✅ Heat-Aging Stabilized: Long-term thermal aging resistance
  • ✅ High Heat Deflection Temperature: HDT 230°C @ 1.80MPa, 250°C @ 0.45MPa
  • ✅ Excellent Electrical Properties: CTI 575V (PLC 1), volume resistivity 1.0E+16 ohm.m
  • ✅ Good Flowability: MVR 28.0 cm³/10min for complex mold designs
  • ✅ RoHS & REACH Compliant: Meets global environmental regulations

⚙️ Processing Conditions

🌡️ Drying Conditions
75-85°C / 2-4 hours
Dew point ≤ -30°C
💧 Max Moisture
0.12%
🔥 Rear Temperature
270 – 280°C
🔥 Middle Temperature
275 – 285°C
🔥 Front Temperature
280 – 290°C
🔥 Recommended Melt Temperature
270 – 290°C
🏭 Mold Temperature
70 – 100°C
(Up to 120°C for high surface quality)

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 -20°C). Recommended drying time: 2-4 hours.

All reinforced, flame retardant compounds generate some level of abrasion/corrosion to steel processing equipment. DOMO recommends using steel with high chromium and high carbon content (minimum 16% chromium) to prevent corrosion and abrasion. Strictly follow recommended processing conditions.

🎯 Target Applications

🔌 Connectors
Electrical connectors, terminals
⚡ Electrical/Electronic Applications
Switches, relays, circuit breakers
🏠 Small/White Goods Appliances
Coffee machines, vacuum cleaners, washing machine components
🔧 Industrial Components
Pump bodies, valve bodies, structural parts

📎 Download & Support

※ Click download links to access the complete technical datasheet. For any questions, 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. Users are advised to make their own tests to determine the safety and suitability for their own purposes. Unless otherwise agreed in writing, DOMO sells the product without warranties. Unless specifically indicated, this grade is not suitable for pharmaceutical/medical applications.

Source: DOMO Chemicals Official Technical Data Sheet (TECHNYL PROTECT AT 20 V25 P NC, Document PID-000113)

Last Updated: June 2026

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