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Vyncolit 4221 XB Novolac Phenolic
| Category | Polymer , Thermoset , Filled/Reinforced Thermoset , Phenolic , Phenolic, Novolac, Mineral Filled |
| Manufacturer | Vyncolit N.V., Sumitomo Bakelite |
| Trade Name | |
| Port | Ningbo port,China |
| Trade Terms | FOB, CFR, CIF |
| Payment Terms | L/C, T/T, Western Union |
| Download PDF | Vyncolit 4221 XB Novolac Phenolic.pdf  |
| Price | EMAIL US sales@lookpolymers.com |
Material Notes:
Mineral and organic filled phenolic molding compound with good mechanical properties.Information provided by Vyncolit, a Sumitomo Bak Group
| Physical Properties | Metric | English | Comments |
|---|---|---|---|
| Bulk Density | 0.600 - 0.750 g/cc | 0.0217 - 0.0271 lb/in³ | Powder Density; ISO 60 |
| Density | 1.50 g/cc | 0.0542 lb/in³ | Relative Density; ISO 1183 |
| Linear Mold Shrinkage | 0.0060 - 0.0070 cm/cm | 0.0060 - 0.0070 in/in | Injection Molding; ISO 2577 |
| Mechanical Properties | Metric | English | Comments |
|---|---|---|---|
| Tensile Strength at Break | 50.0 - 60.0 MPa | 7250 - 8700 psi | ISO 527 |
| Elongation at Break | 0.65 - 0.75 % | 0.65 - 0.75 % | Tensile; ISO 527 |
| 1.5 - 1.7 % | 1.5 - 1.7 % | Flexure; ISO 178 | |
| Tensile Modulus | 9.00 - 11.0 GPa | 1310 - 1600 ksi | ISO 527 |
| Flexural Strength | 110 - 130 MPa | 16000 - 18900 psi | At Rupture; ISO 178 |
| Flexural Modulus | 8.00 - 10.0 GPa | 1160 - 1450 ksi | ISO 178 |
| Compressive Strength | 220 - 250 MPa | 31900 - 36300 psi | ISO 604 |
| Charpy Impact Unnotched | 0.800 - 1.00 J/cm² | 3.81 - 4.76 ft-lb/in² | ISO 179 |
| Charpy Impact, Notched | 0.200 - 0.300 J/cm² | 0.952 - 1.43 ft-lb/in² | ISO 179 |
| Thermal Properties | Metric | English | Comments |
|---|---|---|---|
| CTE, linear, Parallel to Flow | 40.0 - 50.0 µm/m-°C @Temperature 20.0 °C |
22.2 - 27.8 µin/in-°F @Temperature 68.0 °F |
TMA |
| CTE, linear, Transverse to Flow | 50.0 - 60.0 µm/m-°C @Temperature 20.0 °C |
27.8 - 33.3 µin/in-°F @Temperature 68.0 °F |
TMA |
| Deflection Temperature at 1.8 MPa (264 psi) | 155 - 175 °C | 311 - 347 °F | ISO 75 Af |
| Deflection Temperature at 8.0 MPa | 130 - 150 °C | 266 - 302 °F | ISO 75 C |
| Flammability, UL94 | V-1 @Thickness 1.60 mm |
V-1 @Thickness 0.0630 in |
|
| V-0 @Thickness 4.00 mm |
V-0 @Thickness 0.157 in |
||
| Shrinkage | 0.15 - 0.25 % | 0.15 - 0.25 % | Post Shrinkage; ISO 2577 |
| Electrical Properties | Metric | English | Comments |
|---|---|---|---|
| Insulation Resistance | 1.00e+9 - 1.00e+10 ohm | 1.00e+9 - 1.00e+10 ohm | Dry; IEC 167 |
| Dielectric Strength | 25.0 kV/mm | 635 kV/in | IEC 243 |
| Comparative Tracking Index | 175 V | 175 V | IEC 112 |
| Descriptive Properties | Value | Comments |
|---|---|---|
| Color | Black | |
| ISO type | PF 2 C3 | |
| Main Filler | Mineral & Organic | |
| Molding Method | Compression, transfer, injection |
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