DI Water Filters (0.003µm MEMBRANE)

Description

1. Product Overview

The DI Water Filters (0.003µm MEMBRANE) represent a precision-engineered filtration solution designed to produce ultrapure deionized water by removing submicron particulates, endotoxins, and colloidal silica at an unprecedented 0.003µm absolute rating. Primarily deployed in semiconductor fabrication, pharmaceutical manufacturing, and advanced laboratory research, this filter bridges the critical gap between reverse osmosis and final point-of-use ultrapure water requirements. Its strategic market value lies in delivering consistent resistivity >18.2 MΩ·cm while reducing downstream fouling—directly improving yield and lowering total cost of ownership for high-stakes industrial operations.

2. Key Specifications & Technical Characteristics

• Chemical Composition: Multi-layer composite membrane of cross-linked polyethersulfone (PES) with polypropylene support layers; non-shedding, low extractables

• Purity Level / Filtration Rating: 0.003µm absolute (99.9999% removal efficiency for particles ≥0.003µm); endotoxin reduction ≥ 0.05 EU/mL

• Physical Characteristics: Pleated cylindrical cartridge form; white membrane surface; 2.75″ OD x 10″, 20″, 30″, 40″ lengths; bulk density of filter media: 0.32 g/cm³; thermal bonding without adhesives

• Packaging Options: Double-bagged in Class 100 (ISO 5) cleanroom; individually serialized; available in 5-, 10-, 20-unit cartons; bulk industrial spools on request

• Shelf Life: 5 years from manufacture in original, unopened packaging stored at 5–40°C, non-oxidizing environment

3. Core Industrial Applications

• Semiconductor & Microelectronics: Final point-of-use filtration in wafer rinsing, CMP slurry preparation, and wet etching. Outperforms standard 0.1µm filters by reducing defect-causing nanoparticles, increasing die yield by 1.5–3%.

• Pharmaceutical & Bioprocessing: WFI (Water for Injection) polishing and buffer preparation. Superior endotoxin retention vs. ultrafiltration alternatives, with higher flow rates (up to 8 L/min per 10″ cartridge) and lower protein binding.

• Power Generation (Combined Cycle / Nuclear): Boiler feedwater polishing. Eliminates colloidal silica breakthrough, reducing turbine blade scaling and extending maintenance intervals by 30%.

• Analytical Laboratories: ICP-MS and HPLC mobile phase preparation. Delivers consistent blank levels below detection limits, eliminating false positives.

Cost advantage: Extended service life (12–18 months typical) due to high dirt-holding capacity (1.5× standard 0.05µm membranes).

4. Competitive Advantages

• Quality Consistency: Every batch verified via bubble-point integrity testing and particle retention challenge (ASTM F838-05); lot-to-lot CV < 3% for flow decay.

• Supply Reliability: Dual-sourced membrane production (USA & Germany) with 6-month safety stock held in Rotterdam, Singapore, and Houston. On-time delivery rate: 99.7%.

• Logistics Capability: Direct drop-ship to cleanrooms; temperature-controlled LCL and FCL options; 48-hour emergency dispatch for critical downtime situations.

• Price Competitiveness: 12–18% lower cost per liter of DI water produced vs. leading European and Japanese alternatives, driven by proprietary automated pleating technology.

• Sustainability: Fully polyolefin-based construction enables incineration with energy recovery; reduced water waste due to lower rinse volume requirement (30% less vs. competitive membranes).

• Technical Support: Full validation guide, extractables test report, and on-call field application specialists (PhD-level) included with enterprise contracts.

5. Commercial & Supply Information

• Minimum Order Quantity (MOQ): BULK 20 metric tons (approx. 18,000 standard 10″ cartridges per 20MT, depending on length mix)

• Loading Capacity (MT per container):

  • 20-ft standard container: 20 MT (full container load)

  • 40-ft high cube container: 26 MT (max palletized configuration)

  • Break-bulk and consolidated LTL available for trial quantities above 2 MT at adjusted pricing