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| Physical Form | Clear Liquid |
| Specific Gravity | 0.910 |
| Viscosity@25℃,cps | 35 |
| Phosphorus Content,%wt | 5.3 |
| Color,Gardner | < 6 |
| Molecular Weight | 582 |
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DOVERPHOS 253 is dioleyl hydrogen phosphite. It is a liquid dialkyl phosphite with a relatively high molecular weigt and low phosphorus content.
DOVERPHOS 253 can be used as a co-stabilizer with mixed stabilizers used in PVC applications but the main use for it is in lube applications as an additive for metalworking fluids.
| Applications | Suggested Treat Rates, %wt |
| General Applications | 0.1 - 3.0 |
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| Net Weight/Gross Weight, kg | 181.0 / 198.0 |