Etronit IV C (1)

Suitable as construction material for electrical and mechanical applications where high humidity occurs. Lowest water absorption of all the Etronit types. Resistant to tropical conditions. Good electrical properties at high frequencies. Meets the NEMA LI-1 XXX requirements.

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Specifications

  • Resin: Phenol
  • Reinforcement: Paper
  • Colour: Brown

Closest relevant standards

IEC 60893:-

NEMA LI 1:XXX

DIN 7735:-

Etronit IV C (1)

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Overview

Mechanical properties
Bending strength ISO 178 id>100 mm 120 MPa *1
Compressive strength, axial ISO 604 130 MPa *1
Cohesion between layers IEC 61212-2 id<100 mm 145 MPa *1
Electrical properties
Electrical strength in oil at 90°C, perpendicular IEC 60243-1 B) 3 mm 6.7 kV/mm *2
Electrical strength in oil at 90°C, parallel IEC 60243-1 B) ≥ 3 mm 25 kV/25mm *2
Permitivity 50 MHz IEC 62631-2-1 5 *3
Permitivity 1 MHz IEC 62631-2-1 5 *3
Dissipation factor 50 MHz IEC 62631-2-1 0.03 *3
Dissipation factor 1 MHz IEC 62631-2-1 0.03 *3
Insulation resistance after submersion in water IEC 62631-3-3 200 MΩ *4
Comparative tracking index IEC 60112 ≥ 3 mm CTI *
Physical and thermal properties
Temperature index 20,000 h (T.I.) IEC 60216 ≥ 3 mm 120 °C *F
Fire class IEC 60695-11-10 *
Density ISO 1183-A All 1.25 g/cm³ *
Water absorption ISO 62-1 2 mg/cm² *
Smoke emission & toxicity EN 45545-2; R22, R23 & R24 *
Oxygen Index (OI) EN ISO 4589-2 % *
Smoke density (Ds max.) EN ISO 5659-2 *
Smoke density (Ds max.) EN ISO 5659-2 *
Toxicity (CITNLP) NF X 70-100-1/-2 *
Toxicity (CITG, 8 min) EN 17084 *

Conditioning

1 24h/23°C/50%RH
2 24h/23°C/50%RH + 1h/ in oil at 90°C
3 96h/105°C + 1h/23°C/20%RH
4 24h/50°C/<20% RH + 24h in water at 23°C

Notes

F Tested on sheet material

The above values are average values resulting from extensive tests in our laboratories. ELEKTRO-ISOLA A/S disclaims any and all liability for the performance of our materials in applications outside our control. Elektro-Isola A/S reserves the right to modify the above data without notice or further information. Furthermore, we refer to our general disclaimer.

* Note that color and surface are indicative. As this is a technical product, colour and expression may vary according to dimensions, batches and machining. If you want further information or have special decorative needs, please feel free to contact us.