Chemical composition:
Monol initiated propylene oxide/ethylene oxide copolymer
Product characteristics
| Properties | |||
| Physical form | Colorless to slightly yellow liquid | ||
| Physical data | Characteristic | Unit | HY107 |
| Viscosity (ASTM D445) at 40 °C at 100 °C | mm2/s | 133 25.5 | |
| Viscosity index (ASTM D2270) | 230 | ||
| Water content (ASTM E203) | % | < 0.25 | |
| Density, 20 °C (ASTM D1298) | g/cm3 | 1.051 | |
| Flash point coc (ASTM D92) | °C | 240 | |
| Pour point (ASTM D97) | °C | – 48 | |
| Ash content (ASTM D482) | % | < 0.01 | |
| Refractive index, 20 °C | 1.46 | ||
| Surface tension, 20 °C | mN/m | 33 – 38 | |
| Vapor pressure, 20 °C | mmHg | < 0.001 | |
| Specific heat capacity | kJ/kg | 1.95 | |
| Equilibrium water content at 65 % relative humidity, 21 – 28 °C | 1.5 – 2.5 | ||
| Quality control | The above-listed data represent average values at the time of going to press of this Technical Information. They are intended as a guide to facilitate han- dling and cannot be regarded as specified data. Specified product data are issued as a separate product specification . | ||
| Seal compatibility | The elastomer performance of HY107 with various seal types are shown below. | ||
| Test conditions: 120 hours at 70 °C | |||
| Elastomer | Linear swell(%) | Change of hardness | |
| Natural rubber | 0.3 | 1 | |
| Styrene butadiene (SBR) | 0 | 0 | |
| Nitrile butadiene (NBR) | 0 | 0 | |
| Isobutene isoprene (IIR) 1 | 0.4 | 2 | |
| Isobutene isoprene (IIR) 2 | -1.1 | 4 | |
| Chloroprene (CR) | 3.3 | -9 | |
| Silicone (Q) | 0 | -1 | |
Applications
HY107 is a high performance water soluble polyalkylene glycol basestock with a viscosity of 133 mm2/s at 40 °C. HY107 finds extensive application when manufacturing and formulating various water soluble lubricants for example:
• Gear, bearing and calender lubricants
• Compressor lubricants
• Metal working fluids
Storage
▪ HY107 should be kept tightly sealed in a dry place in its tightly sealed original packaging. Storerooms must not be overheated.
▪ HY107 is hygroscopic with the result of absorbing moisture very quickly. Care needs to be taken to exclude moisture. Drums must be resealed each time they are opened.
▪ HY107 must be blanketed with nitrogen if stored in heated tanks (at < 60 °C) to prevent from coming into contact with air. Constant, gentle stirring helps to prevent discoloration as a result of prolonged contact with electrical elements or external heating coils.
Shelf life:Provided it is stored properly and the drums are kept tightly sealed, HY107 has a shelf life of five years in its original packaging.
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