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TECHNYL® 4EARTH C2E 216M BK

Impact Modified Recycled PA6 · Ultra-High Toughness · Sustainable Polyamide · Low Temperature Impact · Black

4EARTH Series
Impact Modified
No Break Impact
Tm 221°C
Formerly ECONOMID PLUS 61I BK

No Break
Charpy Impact
12
Notched Impact (kJ/m²)
50%
Strain at Break
221
Melting Point (°C)

TECHNYL® 4EARTH C2E 216M BK (formerly ECONOMID PLUS 61I BK) belongs to DOMO’s 4EARTH sustainable polyamide series. It is an impact modified recycled Polyamide 6 (PA6) grade designed for injection molding. This product offers extremely high impact resistance (Charpy impact no break), maintaining excellent toughness even at low temperatures (-30°C). The black version is suitable for automotive components, sports equipment, footwear, power tools, consumer applications, outdoor applications and other sustainable designs requiring excellent impact performance.

📋 Product Overview

  • Product Series: TECHNYL 4EARTH Sustainable Polyamide
  • Former Name: ECONOMID PLUS 61I BK
  • Polymer Type: Recycled Polyamide 6 (PA6), Impact Modified
  • Reinforcement: Unreinforced
  • Modification: Impact Modified
  • Melting Point: 221°C (lower than standard PA6, enabling lower temperature processing)
  • Flame Rating: UL94 HB (0.75mm)
  • Electrical Performance: Volume Resistivity 1.0E13 ohm.m, Surface Resistivity 1.0E13 ohm
  • Thermal Performance: HDT 55°C @ 1.80MPa, 155°C @ 0.45MPa, Vicat Softening Point 185°C
  • Mechanical Performance: Tensile Modulus 2700 MPa, Yield Stress 65 MPa, Strain at Break 50%
  • Impact Performance: Charpy Impact No Break (+23°C and -30°C), Charpy Notched Impact 12 kJ/m²
  • Processing: Injection Molding
  • Color: Black
  • Certifications: RoHS
  • Typical Applications: Automotive components, sports equipment, footwear, power tools, consumer applications, outdoor applications

📊 Technical Data Sheet

Physical Properties

Property
Standard
Value
Unit

Density
ISO 1183
1.13
g/cm³

Molding Shrinkage (Parallel/Perp.)
ISO 294-4
1.1-1.3 / 1.4-1.6
%

Mechanical Properties (Dry)

Property
Standard
Value
Unit

Tensile Modulus
ISO 527-1/-2
2700
MPa

Yield Stress
ISO 527-1/-2
65
MPa

Strain at Break
ISO 527-1/-2
50
%

Flexural Modulus
ISO 178
2400
MPa

Charpy Impact (+23°C)
ISO 179/1eU
No Break
kJ/m²

Charpy Impact (-30°C)
ISO 179/1eU
No Break
kJ/m²

Charpy Notched (+23°C)
ISO 179/1eA
12
kJ/m²

Izod Impact (+23°C)
ISO 180/1U
No Break
kJ/m²

Izod Notched (+23°C)
ISO 180/1A
11
kJ/m²

Thermal Properties

Property
Standard
Value
Unit

Melting Temperature
ISO 11357-1
221
°C

HDT @ 0.45 MPa
ISO 75
155
°C

HDT @ 1.80 MPa
ISO 75
55
°C

Vicat Softening Point
ISO 306
185
°C

Electrical Properties

Property
Standard
Value
Unit

Volume Resistivity
IEC 62631-3-1
1.0E+13
ohm.m

Surface Resistivity
IEC 62631-3-1
1.0E+13
ohm

Flammability

Property
Thickness
Standard
Rating/Value

UL 94 Flammability Rating
0.75 mm
UL 94
HB

Burning Rate (FMVSS, 1mm)
1 mm
FMVSS 302
< 100 mm/min

🌍 4EARTH Series: DOMO’s sustainable polyamide product line using recycled materials for reduced carbon footprint.

🌟 Key Advantages

  • ✅ Sustainable Polyamide: Uses recycled materials, 4EARTH series for reduced carbon footprint
  • ✅ Ultra-High Impact Performance: Charpy impact no break at both +23°C and -30°C
  • ✅ Low Temperature Impact Resistance: Maintains excellent impact toughness at -30°C
  • ✅ High Ductility: Strain at break up to 50%
  • ✅ Lightweight: Density only 1.13 g/cm³
  • ✅ Low Temperature Processing: Melting point 221°C for energy savings
  • ✅ Good Electrical Insulation: Volume resistivity 1.0E13 ohm.m
  • ✅ Black Color: Meets industrial application requirements
  • ✅ RoHS Compliant: Meets environmental regulations

⚙️ Processing Conditions

🌡️ Drying Conditions
75 – 85°C / 2-4 hours
Dew point ≤ -30°C
🔥 Recommended Melt Temperature
240 – 260°C
🏭 Recommended Mold Temperature
60 – 90°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.

⚠️ This TECHNYL grade is not recommended for injection molding hot runner systems with a diameter below 1mm.

🎯 Typical Applications

🚗 Automotive Components
Impact parts, interior components
🏋️ Sports Equipment
Protective gear, sports gear
👟 Footwear
Soles, shoe components
🔧 Power Tools / Garden Equipment
Housings, handles
🌳 Outdoor Applications
Weather-resistant impact parts

📎 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 4EARTH C2E 216M BK, formerly ECONOMID PLUS 61I BK, Document ID: 001870)

Last Updated: June 2026

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