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This is the free Material Data Center Datasheet of Bakelite® EP 8412 - EP-(GF+X) - Bakelite Synthetics
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Informations produit
Product description:
Epoxy moulding compound, inorganically filled, glass fibre
reinforced, heat resistant, dimensionally stable, good electric and
mechanical properties, very good chemical resistance, low viscosity,
UL listed (RTI 155°C).
Application areas:
Encapsulation of electric parts, e. g. electromagnet coil.
| Property Name |
Value |
Unit |
Standard No. |
|---|
| Apparent density (moulding compound) |
0.85 |
g/cm³ |
ISO 60 |
| Moulding shrinkage (injection moulding, longitudinal) |
0.3 |
% |
ISO 2577 |
| Post shrinkage (injection moulding, 168h/110°C) |
0.02 |
% |
ISO 2577 |
| Moulding shrinkage (compression moulding, longitudinal) |
0.25 |
% |
ISO 2577 |
| Post shrinkage (compression moulding, 168h/110°C) |
0.01 |
% |
ISO 2577 |
| Tensile strength (5mm/min) |
55 |
MPa |
ISO 527-1/2 |
| Compr. strength (test spec. flat tested) |
170 |
MPa |
ISO 604 |
| Flexural strength (2mm/min) |
125 |
MPa |
ISO 178 |
| Flexural modulus |
15500 |
MPa |
ISO 178 |
| Ball indentation hardness (H 961/30) |
400 |
MPa |
ISO 2039/P1 |
| Water absorption (24h/23°C) |
6 |
mg |
similar to ISO 62 |
| Additional characteristics: |
high arc resistance, improved electrical properties
|
Preparation of Test Specimens of Thermosetting Moulding Compound
- Compression to ISO 295
- Injection to ISO 10724
Storage capability
6 months (relative humidity of 50-60% and maximum storage temperature of approximately 20°C)
| Caractéristiques des transformations/physiques | Valeur | Unité | Norme du test |
| ISO Data |
| Retrait au moulage, parallèle |
0.3 |
% |
ISO 294-4, 2577 |
| Propriétés mécaniques | Valeur | Unité | Norme du test |
| ISO Data |
| Module en traction |
13000 |
MPa |
ISO 527 |
| Résistance au choc Charpy, +23°C |
8.5 |
kJ/m² |
ISO 179/1eU |
| Résistance au choc Charpy (entaillé), +23°C |
4 |
kJ/m² |
ISO 179/1eA |
| Propriétés thermiques | Valeur | Unité | Norme du test |
| ISO Data |
| Température de fléchissement s/chrg, 8.00 MPa |
120 |
°C |
ISO 75-1/-2 |
| Propriétés électriques | Valeur | Unité | Norme du test |
| ISO Data |
| Permittivité relative, 100Hz |
5.5 |
- |
IEC 62631-2-1 |
| Facteur de pertes, 100Hz |
0.02 |
E-4 |
IEC 62631-2-1 |
| Résistivité transversale |
1E11 |
Ohm*m |
IEC 62631-3-1 |
| Résistivité superficielle |
1E12 |
Ohm |
IEC 62631-3-2 |
| Rigidité diélectrique |
30 |
kV/mm |
IEC 60243-1 |
| Indice de résistance au cheminement |
250 |
- |
IEC 60112 |
| Propriétés diverses | Valeur | Unité | Norme du test |
| Masse volumique |
1890 |
kg/m³ |
ISO 1183 |
| Préparation et conditionnement des éprouvettes | Valeur | Unité | Norme du test |
| ISO Data |
| Injection, temp. de la matière plastif. |
125 |
°C |
ISO 10724 |
| Injection, vitesse d'injection |
170 |
mm/s |
ISO 10724 |
| Injection, pression de maintien |
100 |
MPa |
ISO 10724 |
| Injection, durée de recuit |
25 |
min |
ISO 10724 |
| Compression, température du moule |
160 |
°C |
ISO 295 |
| Compression, temps de recuit |
1 |
min |
ISO 295 |
Caractéristiques
Transformation
Moulage par injection, Moulage par transfert
Disponibilité régionale
Autres informations
Moulages par injection
PROCESSING
| Temperature of material: | 90 - 100 | °C |
| Mould temperature: | 170 - 190 | °C |
| Curing time: | 15-25 | sec |
| |
| Further Information: |
| Barrel temperature |
| - Feed zone: | 60-75 | °C |
| - Nozzle zone: | 70-100 | °C |
| Cavity moulding pressure: | >10 | MPa |
| Back pressure: | 0.5-2 | MPa |
| Holding-pressure: |
60% of injection pressure |
Moulage par compression
PROCESSING
| Mould temperature: | 160-190 | °C |
| Curing time: | 30-60 | sec |
| Cavity moulding pressure: | >10 | MPa |
Conditions générales
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