Reverse Osmosis Membranes
N-TECH Seawater RO Membranes Custom Branded Bulk Solutions for Desalination High-Salt Applications
Elevate your seawater desalination projects with N-TECH’s seawater reverse osmosis (RO) membranes—available for bulk orders withyour brand customization. Engineered for high-salt challenges (up to 32,000ppm NaCl), our membranes deliver superior desalination, low energy use, and long lifespan
Elevate your seawater desalination projects with N-TECH’s seawater reverse osmosis (RO) membranes—available for bulk orders with your brand customization. Engineered for high-salt challenges (up to 32,000ppm NaCl), our membranes deliver superior desalination, low energy use, and long lifespans. Perfect for seawater desalination, industrial wastewater reuse, and material concentration.
Why N-TECH for Custom Branded Seawater RO Membranes?
Success Stories with Custom Branding
Product Specifications
1. 8-inch Series (Test Condition 1: 32,000ppm NaCl, 800psi, 77°F, pH 8, 8% recovery)
| Product | Permeate Flow (GPD/m³/d) | Stabilized Rejection (%) | Min Rejection (%) | Membrane Area (ft²/m²) | Feed Spacer (mil) |
|---|---|---|---|---|---|
| SW-HR 400 | 7000 (26.5) | 99.85 | 99.75 | 400 (37) | 28 |
| SW-HR 440 | 7700 (29.1) | 99.85 | 99.75 | 440 (41) | 28 |
| SW-HRLE 400 | 7500 (28.4) | 99.80 | 99.70 | 400 (37) | 28 |
| SW-HRLE 400-34 | 6500 (24.6) | 99.75 | 99.70 | 400 (37) | 34 |
| SW-HRLE 440 | 8000 (30.3) | 99.80 | 99.70 | 440 (41) | 28 |
| SW-XLE 400 | 9000 (34.1) | 99.80 | 99.70 | 400 (37) | 28 |
| SW-XLE 440 | 9900 (37.5) | 99.80 | 99.70 | 440 (41) | 28 |
2. 4-inch Series (Test Condition 2: 32,000ppm NaCl, 800psi, 77°F, pH 8, 5% recovery)
| Product | Permeate Flow (GPD/m³/d) | Stabilized Rejection (%) | Min Rejection (%) | Membrane Area (ft²/m²) | Feed Spacer (mil) |
|---|---|---|---|---|---|
| SW-4040 | 1800 (6.8) | 99.8 | 99.6 | 85 (7.9) | 28 |
| SW-XLE 4040 | 2100 (7.9) | 99.7 | 99.5 | 85 (7.9) | 28 |
3. 2.5-inch & 4-inch Niche Series
| Product | Permeate Flow (GPD/m³/d) | Stabilized Rejection (%) | Min Rejection (%) | Membrane Area (ft²/m²) | Feed Spacer (mil) |
|---|---|---|---|---|---|
| SW-40212 | 700 (2.7) | 99.7 | 99.5 | 36 (3.3) | 28 |
| SW-25401 | 500 (1.9) | 99.7 | 99.5 | 28 (2.6) | 28 |
Test condition 1 : 32000ppm NaCl, 800psi(55bar), 77°F (25°C), pH 8, 8% Recovery.
Test condition 2 : 32000ppm NaCl, 800psi(55bar), 77°F (25°C), pH 8, 5% Recovery.


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