Home / Blog
Technical guides on AUS 40, marine SCR systems, IMO Tier III & MARPOL Annex VI compliance, onboard handling and Indian port supply, written by the PROTICKS Technical Team for vessel operators, superintendents and marine procurement.
Definition, chemistry, ISO 18611 & IS 17661 standards, packaging formats and how to source certified AUS 40 in India. Start here.
Read Guide → Regulatory · 3 Jul 2026NOx limits by tier and engine speed, Emission Control Area geography, applicability dates and how enforcement works at port state control.
Read Guide → Technical · 3 Jul 2026System architecture, catalyst chemistry, closed-loop dosing control, consumption estimation and how to avoid ammonia slip and deposits.
Read Guide → Operational · 20 Jul 2026Hose and coupling selection, flow rates, road tanker unloading, bunker barge and ship-to-ship transfer, IBC handling and port call scheduling.
Read Guide → Operational · 3 Jul 2026Temperature windows, crystallisation, compatible materials, contamination control and bunkering discipline. Keep fluid in spec onboard.
Read Guide → Comparison · 18 Jun 2026Concentration, standards and engine scaling risk: the engineering reasons automotive AdBlue must never be substituted for marine urea.
Read Guide → Supply Network · 18 Jun 2026Port-side delivery at Mundra, Kandla, Pipavav, Dahej, Hazira, JNPT, Chennai, Vizag and more: lead times, formats and coverage.
Read Guide →Our technical team responds to vessel-specific queries on dosing, documentation and delivery within one working day.