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- Sumitomo Bakelite North America RX® 640 Fiberglass Reinforced Phenolic Resole
Sumitomo Bakelite North America RX® 640 Fiberglass Reinforced Phenolic Resole
| Category | Polymer , Thermoset , Filled/Reinforced Thermoset , Phenolic , Phenolic, Resole, Glass Fiber Filled |
| Manufacturer | Sumitomo Bakelite North America |
| Trade Name | |
| Port | Shanghai port,China |
| Trade Terms | FOB, CFR, CIF |
| Payment Terms | L/C, T/T, Western Union |
| Download PDF | Sumitomo Bakelite North America RX® 640 Fiberglass Reinforced Phenolic Resole.pdf  |
| Price | EMAIL US sales@lookpolymers.com |
Material Notes:
RXÂ 640 is a fiberglass reinforced, ammonia-free, phenolic resole compound, with good dimensional stability and good strength at elevated temperatures. Meets ASTM D-5948 Type GPI-5.Information supplied by Sumitomo Bak North America.
| Physical Properties | Metric | English | Comments |
|---|---|---|---|
| Bulk Density | 0.80 g/cc | 0.029 lb/in³ | Powder; ASTM D1895 |
| Density | 1.76 g/cc | 0.0636 lb/in³ | ASTM D792 |
| Water Absorption | 0.06 % @Time 86000 sec |
0.06 % @Time 24 hour |
ASTM D570 |
| 0.22 % @Time 170000 sec |
0.22 % @Time 48 hour |
ASTM D570 | |
| Linear Mold Shrinkage | 0.002 cm/cm | 0.002 in/in | ASTM D955 |
| Mechanical Properties | Metric | English | Comments |
|---|---|---|---|
| Hardness, Rockwell E | 90 | 90 | ASTM D785 |
| Tensile Strength, Ultimate | 86 MPa | 12000 psi | ISO 527 |
| Flexural Strength | 186 MPa | 27000 psi | ISO 178 |
| Flexural Modulus | 14.5 GPa | 2100 ksi | ISO 178 |
| Compressive Strength | 248 MPa | 36000 psi | ISO 604 |
| Charpy Impact, Notched | 0.40 J/cm² | 1.9 ft-lb/in² | ISO 179 |
| Thermal Properties | Metric | English | Comments |
|---|---|---|---|
| CTE, linear, Parallel to Flow | 14.0 µm/m-°C @Temperature 23.0 °C |
7.78 µin/in-°F @Temperature 73.4 °F |
TMA; ASTM E381 |
| Thermal Conductivity | 0.550 W/m-K | 3.82 BTU-in/hr-ft²-°F | ASTM F433 |
| Maximum Service Temperature, Air | 150 °C | 302 °F | UL Temperature Index; UL 746B |
| Deflection Temperature at 1.8 MPa (264 psi) | 280 °C | 536 °F | As Molded; ASTM D648A |
| >= 282 °C | >= 540 °F | Post Baked; ISO 75 A | |
| Flammability, UL94 | V-0 @Thickness 1.60 mm |
V-0 @Thickness 0.0630 in |
|
| V-0 @Thickness 3.20 mm |
V-0 @Thickness 0.126 in |
| Electrical Properties | Metric | English | Comments |
|---|---|---|---|
| Dielectric Strength | 11.8 kV/mm @Frequency 60.0 Hz |
300 kV/in @Frequency 60.0 Hz |
Wet, step-by-step; ASTM D149 |
| 14.0 kV/mm @Frequency 60 Hz |
356 kV/in @Frequency 60 Hz |
Wet, short time; ASTM D149 | |
| Arc Resistance | 160 sec | 160 sec | ASTM D495 |
| Descriptive Properties | Value | Comments |
|---|---|---|
| Available Molding Grades | Compression, Transfer, Injection | |
| Color | Black | |
| Form | Granular |
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