Nalco 3688 is generally REACH compliant (in Europe) and registered under TSCA (in the US). However, it is not approved for:
For offshore use, you must check your local OSPAR/HOCNF rating. nalco 3688
Prices fluctuate with crude oil prices and raw surfactant costs. As of recent data: Nalco 3688 is generally REACH compliant (in Europe)
Nalco 3688 is considered a "premium" product—roughly 15-20% more expensive than commodity demulsifiers, but often effective at half the dosage. For offshore use, you must check your local
While less common, some spec sheets allow Nalco 3688 in closed loops where minor water loss occurs. It prevents initial corrosion of new systems or dormant components.
Many regions (e.g., Great Lakes watershed, Chesapeake Bay area, EU Urban Wastewater Directive) restrict phosphorus discharge to <1 mg/L total P. If your cooling tower blowdown exceeds this, you must install a phosphorus removal system or switch to a non-phosphorus alternative.
Because Nalco Water operates on a direct sales model and authorized distributor network, you cannot buy Nalco 3688 on Amazon or Alibaba (beware of counterfeit sellers).