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ASTM D87 Automatic Petroleum Wax Melting Point Apparatus
KN-87Z Automatic Petroleum Wax Melting Point Apparatus (Cooling Curve Method) conforms to ASTM D87 Standard Test Method for Melting Point of Petroleum Wax (Cooling Curve), it covers the determination of the melting point (cooling curve) of petroleum wax. It is unsuitable for waxes of the petrolatum group, microcrystalline waxes, or blends of such waxes with paraffin wax or scale wax.
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ASTM D938 Congealing Point of Petroleum Waxes and Petrolatum
KN-938 Congealing Point of Petroleum Waxes and Petrolatum conforms to ASTM D938 Standard Test Method for Congealing Point of Petroleum Waxes, Including Petrolatum. Congealing point is a wax property that is of interest to many petroleum wax consumers. The procedure described here measures the temperature at which a sample being cooled develops a “set” or resistance to flow. At that temperature, the wax may be at or close to the solid state, or it may be semisolid and quite unctuous, depending on the composition of the wax or petrolatum being tested. In the case of petrolatums, congealing property is associated with the formation of a gel structure as the sample cools. A sample of wax is melted and a droplet is made to adhere to the bulb of a thermometer. Using a prewarmed flask as an air jacket, the droplet on the bulb is allowed to cool at a fixed rate until it congeals. The congealing point is observed as the temperature at which the droplet ceases to flow as the thermometer is turned.
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ASTM D127 Petroleum Wax Drop Melting Point
Melting point is a wax property that is of interest to most wax consumers. It can be an indication of the performance properties of the wax. Drop melting point, Test Method D127, is often used to measure the melting characteristics of petrolatums and other high viscosity petroleum waxes
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Petroleum Wax Melting Point Apparatus (Cooling Curve Method)
KN-87 Petroleum Wax Melting Point Apparatus (Cooling Curve Method) conforms to ASTM D87 Standard Test Method for Melting Point of Petroleum Wax (Cooling Curve), it covers the determination of the melting point (cooling curve) of petroleum wax. It is unsuitable for waxes of the petrolatum group, microcrystalline waxes, or blends of such waxes with paraffin wax or scale wax.
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