Blue Sky DEF Launched In Singapore


Best Chemical Co (S) Pte Ltd (Bestchem) is the newly appointed exclusive distributor for Prime Blue International (PBI). Bestchem will make the American Petroleum Institute (API) certified premium Diesel Exhaust Fluid (DEF) available to customers 24/7 at its premises and via its e-store. DEF is also known as AdBlue.

Blue Sky DEF 32.5 is an API Certified DEF 32.5% urea solution for use in passenger vehicles, trucks, construction, agricultural equipment and marine vessels. It is compatible with all Tier 4 final compliant equipment using Selective Catalytic Reduction (SCR) technology. SCR technology has the ability to reduce Nitrogen Oxides (NOx) emissions to near zero levels while also reducing diesel fuel consumption, hence, SCR technology is fast becoming the industry standard on new diesel vehicles and is as good for business as it is for the environment. The combination of DEF and SCR technology reduces NOx emissions and improves a vehicle’s horsepower by making diesel engines run more efficiently, resulting in significant fuel savings on all types of diesel powered vehicles and equipment.

“Blue Sky DEF products are certified by the API for meeting the most stringent and rigorous standards, therefore, their purity is of the highest caliber,” says Johnny Wong, Managing Director at Bestchem. “To operate well, DEF must meet an exacting purity standard and only marketers like us whose Blue Sky DEF products satisfy the requirements of the most recent and applicable edition of ISO 22241, Diesel engines – NOx reduction agent AUS 32, are licensed to display the API DEF Certification Mark.”


“With the implementation of Euro VI emissions standards for all new diesel vehicles in Singapore and more Euro VI diesel vehicles being imported into Southeast Asia, the future of growth in Southeast Asia as a target market for Blue Sky DEF presents an exciting opportunity for us at PBI,” says Stig Uhlen, PBI’s Managing Director. “To meet the region’s fast growing demand, we are very privileged to partner with Bestchem, the ‘go-to’ value-added distributor in the region with the reach and reputation of an international distributor.”

Customers can expect a smoother user experience as Blue Sky DEF’s 2.5-gallon containers are the only ones here that feature a patented nozzle with a breathing valve that ensures efficient, continuous pour, non-glugging and rapid dispensing. This self-venting dispensing spout enables users to have better control and avoid spills when filling their tanks. It is the most widely used nozzle in the USA with universal customer acceptance.

Blue Sky DEF products will be offered in different concentrations to meet specific industrial applications including those for the marine sector. They are classified, packaged and labelled in accordance with the Globally Harmonised System of Classification and Labelling of Chemicals (GHS).

Bestchem is also the exclusive distributor for other speciality solvents, chemicals and race fuels in Southeast Asia. For more information of Blue Sky DEF, please visit


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Always finding ways to keep his hands full, Krado loves to tinker with his car whenever he has the free time. Usually ends in tears or a multiple fluid facial.

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