Petroleum Jelly Pharmaceutical Grade
petroleum jelly pharma grade is a mixture of natural waxes and mineral oils that together lock moisture in the skin, moisturizing it to repair and relieve dryness. petroleum jelly pharma grade is made by the waxy petroleum material that formed on oil rigs and distilling it. petroleum jelly has been used in various ointments and as a lubricant. The history of vaseline starts in 1859. That s where oil workers had been using rod wax, an unrefined form of petroleum jelly then just a simple by-product of the drilling they were working on to heal wounded or burnt skin.
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Description
Analysis of petroleum jelly pharmaceutical grade
SPECIFICATIONS | Results | Method | ||
Grade | MPP-120a | MPP-120b | MPP-120c | — |
Flash point | Min 210 °C | Min 212 °C | Min 212 °C | ASTM D-92 |
Congealing point | 50 – 54 °C | 54 – 58 °C | 57 – 61 °C | ASTM D-938 |
Drop melting point | 53 – 58 °C | 57 – 62 °C | 60 – 65 °C | ASTM D-127 |
Kinematic viscosity at 100 °C | 4.5 – 5.5 CST | 4.8 – 5.8 CST | 5.7 – 6.4 Cst | ASTM D-445 |
Penetration consistency | 135 – 160 (0.1mm) | 135 – 160 (0.1mm) | 135 – 160 (0.1mm) | ASTM D-937 |
Sulphated | Less than 0.05 % | Less than 0.05 % | Less than 0.05 % | BP 2010 |
Specific gravity at 60°C | 0.82 – 0.84 | 0.82 – 0.84 | 0.82 – 0.84 | USP |
Color | Max 0.5 Y | Max 0.5 Y | Max 0.5 Y | IP–17 Method A 2” cell |
Polycyclic aromatic hydrocarbons | Not more than absorbance of solution 6mg/l naphthalene in DMSO @278nm | Not more than absorbance of solution 6mg/l naphthalene in DMSO @278nm | Not more than absorbance of solution 6mg/l naphthalene in DMSO @278nm | — |
odor | Odorless When rubbed on hand | Odorless When rubbed on hand | Odorless When rubbed on hand | |
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