Kemikali ya Samreal imejitolea kwa tasnia ya kemikali kwa miaka 20, ikitoa bidhaa za kemikali zenye ubora wa hali ya juu na huduma zenye kufikiria.
Perfluoropolyether Srhs-240 HS 240 Badilisha nafasi ya Galden HS 240
Product introduction
SRHS-240 is a narrow molecular perfluoropolyether product with excellent chemical resistance, thermal resistance and dielectric properties, non toxicity, no flash point, no ignition point, low viscosity and other characteristics,specifically desigend for the Vapor Phase Soldering process.
Related Parameters
| Product Performance | Units | SRHS 240 |
| Boiling point | ºC | 240 |
| Density | g/ cm 3 | 1.82 |
| Kinetic Vicsosity | cSt | 5.3 |
| Vapor pressure | torr | 1 |
| Specific heat | cal/g·ºC | 0.23 |
| Heat of vaporization at boilng point | cal/g | 15 |
| rerfactive index | - | 1.281 |
| coefficient of thermal expansion | cm 3 /cm 3 ·º C | 0.0011 |
| surface tenstion | dyne/cm | 20 |
| thermal conductivity | W/m·K | 0.065 |
| dielectric strength | kV(2.54mm gap) | 40 |
| deielectirc constant | - | 2.1 |
| volume resistivity | Ohm·cm | >1.0·10 15 |
| average molucular weight | amu | 1100 |
| solubility of water | ppm(wt) | <10 |
*all values determinated at 25ºC unless otherwise specified
Applicazione del prodotto
SRHS-240 is a fully fluorinated fluids specifically designed for the Vapor Phase Soldering process aimed to reduce soldering temperature and avoid heating criticalites.
PRODUCT DISPLAY
Na timu ya kitaalam na yenye uzoefu, pamoja na msaada mkubwa wa kiufundi kutoka kwa ushirika wetu na taasisi za utafiti, tunafanikiwa katika kukuza bidhaa za kemikali za ubunifu kwa wateja wetu. Ikiwa unatafuta kupata bidhaa mpya, bila shaka sisi ni chaguo lako bora.