HEPA and ULPA Filters – Testing and Performance

The recommended practice for classifying and testing high-efficiency filters in contamination-controlled environments.

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IEST-RP-CC001

Overview of the IEST-RP-CC001 Standard

Overview of the IEST-RP-CC001 Standard

IEST-RP-CC001 is a recommended practice issued by the Institute of Environmental Sciences and Technology (IEST). It provides guidelines for the classification, testando, and evaluation of HEPA and ULPA filters used in cleanroom and contamination-controlled environments.

IEST-RP-CC001 defines the recommended procedures for evaluating high-efficiency air filters in terms of filtration performance and leakage integrity.

Semiconductor Manufacturing

Semiconductor Manufacturing

Pharmaceutical Production

Pharmaceutical Production

Aerospace Contamination Control

Aerospace Contamination Control

Biotechnology Laboratories

Biotechnology Laboratories

Key Test Methods in IEST-RP-CC001

Particle Penetration Measurement

Particle Penetration Measurement

Filter efficiency is determined by measuring the concentration of test aerosol particles upstream and downstream of the filter.

Typical test aerosols include PAO (polyalphaolefin), DOP equivalent oils, and other liquid aerosols suitable for photometric detection.

Detecção de vazamento (Teste de digitalização)

The standard provides guidance for filter integrity verification through scanning methods. A scanning probe is moved across the downstream surface of the filter while monitoring particle concentration. Local increases in concentration indicate potential leaks in the filter media, frame, or seal.

EM 1822

Relationship to Other Standards

IEST-RP-CC001 is often used alongside international filtration standards to provide practical guidance.

Padrão

Foco

EN1822

MPPS efficiency classification

ISO29463

International HEPA/ULPA filter testing

IEST-RP-CC001

Recommended practices for HEPA/ULPA filter evaluation

While EN1822 and ISO29463 define formal classification systems, IEST-RP-CC001 provides practical guidance widely adopted in contamination control industries.

Configuração de teste típica

A typical IEST-RP-CC001 test system includes several key components that ensure reliable particle removal performance and integrity verification.
Aerosol Generation Modules

Aerosol Generation Systems (PAO/DOP)

Upstream and Downstream Sampling Systems

Upstream and Downstream Sampling

Pressure Drop Measurement Devices

Particle Measurement Instruments

radar-line

Scanning Probe for Leak Detection

Suporte de serviço global

Application in Filter Manufacturing

Following standardized procedures ensures consistent filter performance and reliable contamination control. IEST-RP-CC001 is commonly used during:

IEST-RP-CC001 Testing Solutions

IEST-RP-CC001 plays an important role in maintaining cleanroom performance by providing recommended practices for verifying filter integrity and efficiency.

IEST-RP-CC001 Testing Solutions

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Conformidade com Padrões Globais

Conformidade com Padrões Globais

100% Sistema de software autodesenvolvido

100% Sistema de software autodesenvolvido

Calibração Remota & Suporte Global

Calibração Remota & Suporte Global

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