pour point depressant

Pour Point Depressant TC826 

Use for Diesel



TC826 is the pour point depressant used in diesel oils. The main component of TC826 is fumaric acid-vinyl acetate copolymer. Besides that, it also contains some other copolymer with additives. It is a kind of compound type low-temperature fluidity improver. Under low temperature, TC826 will form crystals together with the paraffin separated out from diesel oils or adsorb on the surface of the wax crystal, which prevents the wax from crystallization and crystallization tendency; changes the shape and the size of the wax crystals; prevents the wax crystals bonding with each other forming three-dimensional network structure; weaken the further development of wax crystals, to assure a good fluidity of diesel oils under low temperature. The dosages is 0.5-1.0%


Key Performance Benefits   1.Excellent reducing pour point performance
2. Prevent the wax crystals


Typical Characteristics

Kinematic Viscosity (100℃), mm2/s


Flash Point (opening), °C


Pour Point Depressing Temperature, °C


Effective Component


Mechanical Impurities m%



Product Effect

Sample of Oil

Cold Filtration Point of the Sample

Pour Point of the Sample

Cold Filtration Point after Adding 0.5% PPD(TC826)

Pour Point after Adding 0.5% PPD(TC826)

Beijing 0# Diesel Oil




PetroChina Hebei Area 0# Diesel Oil




Shandong 0# Diesel Oil




Tianjin Dagang 10# Diesel Oil





Blend the mother solution with PPD and Diesel Oil according to the proportion of 1:8, then add it to the diesel oils which need reducing the pour point and blend uniformly.


Packing and storage

Packing: The product is packed in 200 liter drum (net weight: 180kg/drum). 

Storage: Please refer to SH/T0164 standard when stored, loaded and unloaded, oil blending. Keep the temperature not higher than 75°C. For long-term storage, the suggested temperature is lower than 45°C.






至: ShenYang Skychen Chemical Co.,ltc
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