LG BW 4021 R


LG Chem’s NanoH2O™ brackish water RO membranes serve various municipal and industrial applications and have
been operating in the major utilities around the world. Incorporating innovative Thin Film Nanocomposite (TFN)
technology, all LG BWRO membranes provide superior performance along with intrinsic anti-fouling property and are
suitable for applications where consistent and reliable performance is a must.

LG BW 4021 R - High Rejection membranes offer a combination of high rejection and reliability: suitable for high salinity brackish water and
wastewater reuse applications.

Availability In stock (>5 pcs)
€188,76 incl. VAT
Product code 46
Brand LG Chem
Category Brackis Water
Warranty 1 year
Product Specifications      
Active Membrane
Area, ft² (m²)
Permeate Flow
Rate, GPD (m³/d)
Stabilized Salt
Rejection, %
Minimum Salt
Rejection, %
Feed Spacer,
34 (3.2)  1,000 (3.8)  99.6 99.3 28
Test Conditions : 2,000 ppm NaCl at 25°C (77°F), 225 psi (15.5 bar), pH 7, Recovery 8%.
Permeate flows for individual elements may vary +/-20%.


For more details, please see the enclosed datasheet.

Weight 2.5 kg

LG Chem manufactures the full line of NanoH2O™ seawater and brackish waterreverse osmosis (RO) membranes based on innovative Thin Film Nanocomposite(TFN) technology. We are constantly evolving and have had great success in winninglarge desalination projects and continue to strengthen market leadershipfor seawater RO. Beyond SWRO, our BWRO products have already proven theirperformance and quality that have led to repeat customers.