Chemical composition:
Monol initiated propylene oxide/ethylene oxide copolymer
Product characteristics
| Properties | |||
| Physical form | Colorless to slightly yellow liquid | ||
| Physical data | Characteristic | Unit | HY103 |
| Viscosity (ASTM D445) at 40 °C at 100 °C | mm2/s | 19 4.6 | |
| Viscosity index (ASTM D2270) | 165 | ||
| Water content (ASTM E203) | % | < 0.25 | |
| Density, 20 °C (ASTM D1298) | g/cm3 | 1.016 | |
| Flash point coc (ASTM D92) | °C | 183 | |
| Pour point (ASTM D97) | °C | – 58 | |
| Ash content (ASTM D482) | % | < 0.01 | |
| Refractive index, 20 °C | 1.46 | ||
| Surface tension, 20 °C | mN/m | 35 – 40 | |
| Vapour 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 HY103 with various seal types are shown below. | ||
| Test conditions: 120 hours at 70 °C | |||
| Elastomer | Linear swell(%) | Shore A hardness change(%) | |
| Natural rubber | 2.6 | – 8 | |
| Styrene butadiene (SBR) | 4 | – 11 | |
| Nitrile Butadiene (NBR) | 6.5 | – 16 | |
| Isobutene isoprene (IIR) 1 | 0.8 | 0 | |
| Isobutene isoprene (IIR) 2 | – 1.2 | 2 | |
| Chloroprene (CR) | 11.6 | – 2.8 | |
| Silicone (Q) | 0.8 | – 3 | |
Applications
▪ HY103 is a high performance water soluble polyalkylene glycol basestock with a viscosity of 19 mm2/s at 40 °C.
▪ HY103 finds extensive application when manufacturing and formulat-ing various water soluble lubricants for example gear, bearing and calender lubricants, compressor lubricants and metal working fluids.
▪ HY103 is particularly suited as a textile lubricant. It provides antistatic protection to most synthetic fibres as well as effectively dissipating static charges.HY103 will not stain or discolor fibres and is completely removed during convetional scouring. The low volatility, high smoke point and minimal accumulation of residue on heater surfaces make HY103 particularly useful in texturizing polyester and polyamide filament yarns.
Storage
▪ HY103 should be kept tightly sealed in a dry place in its tightly sealed original packaging. Storerooms must not be overheated.
▪ HY103 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.
▪ HY103 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, HY103 has a shelf life of five years in its original packaging.
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