IntegraPac™ IP-77 Ultrafiltration Membrane for Electronic Grade Ultrapure Water DuPont Equivalent

Product Introduction

LEFILTER introduces the high-performance IntegraPac™ IP-77 Ultrafiltration Membrane for Electronic Grade Ultrapure Water, a next-generation solution designed to fulfill the stringent purity demands of semiconductor and electronics manufacturing. As a reliable equivalent to DuPont’s ultrafiltration products, the IP-77 model provides superior particulate and microbial removal efficiency, playing a critical role in the final polishing stage of ultrapure water (UPW) systems.

Crafted using advanced PVDF hollow fiber technology, this membrane unit offers exceptional mechanical strength, chemical compatibility, and long-term operational stability. The IP-77 not only enhances system reliability but also contributes to minimizing contamination risks in precision manufacturing environments. Its integrated, compact design ensures ease of installation and serviceability, making it an ideal fit for facilities where system hygiene and water quality consistency are non-negotiable.

Technical Specifications

Thanks to its increased membrane surface area and robust filtration structure, the IP-77 offers high throughput while ensuring precise contaminant control in critical water systems.

Application Fields

The IntegraPac™ IP-77 Ultrafiltration Membrane is purpose-built for ultrapure water production in highly sensitive industrial environments. Its key application areas include:

• Semiconductor Wafer Processing: Delivers ultrapure water with ultra-low particulate and microbial content for cleaning, rinsing, and photolithography stages, reducing defects in IC manufacturing.

• Flat Panel Display & OLED Manufacturing: Ensures consistent water quality during coating, etching, and final rinsing stages, minimizing haze and particle interference.

• Photovoltaic Cell Production: Supports high-purity cleaning and chemical mixing processes essential to maintain conversion efficiency in solar panel production.

• HDD and Precision Disk Assembly: Provides submicron particle-free water used in critical surface treatment processes.

• Nanotechnology and Advanced Research Labs: Supplies TOC-controlled, high-resistivity water for experiments and analysis requiring ultra-clean environments.

The IP-77 module is a dependable component for any application where water purity directly impacts production precision, reliability, and product yield.

FAQ

Q1: How does the IntegraPac™ IP-77 differ from other UF membranes in ultrapure water applications?

A1: The IP-77 offers a higher membrane area (77 m²), improved fouling resistance, and an integrated design that reduces dead zones and simplifies system configuration, making it ideal for high-demand UPW polishing.

Q2: Is the membrane suitable for ultrapure water with high resistivity (≥18.2 MΩ·cm)?

A2: Yes, the materials used are chosen for minimal ion release, ensuring compatibility with ultra-high resistivity water systems used in semiconductor and lab-grade water production.