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Colonial Chemical Co. says its DEF is first to receive API certification

TABERNACLE, N.J. -- Colonial Chemical Company says it's the first Diesel Exhaust Fluid (DEF) producer to gain ...

TABERNACLE, N.J. — Colonial Chemical Company says it’s the first Diesel Exhaust Fluid (DEF) producer to gain American Petroleum Institute (API) certification.


The API licence certifies the materials used and fluid produced and marketed by Colonial meet international standards for automotive-grade urea, the company announced. DEF will be required by most heavy-duty truck engines in 2010.


It’s expected that diesel engine manufacturers using selective catalytic reduction (SCR) will recommend API-certified DEF be used.


The API certification program is still in its infancy. Colonial Chemical Company has been producing urea solutions for stationary SCR systems for more than 10 years, the company claims. It has been offering DEF since 2006 and it’s currently available in bulk and packaged forms.

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