
EPDM USP VI Class O-Rings
Product Overview
KAFLON® EPDM USP VI Class O-Rings are engineered for critical sealing applications in pharmaceutical, biotechnology, and medical industries where purity, safety, and regulatory compliance are mandatory.

Key Features & Benefits
USP Class VI certified
Tested for biological reactivity to meet stringent pharmaceutical requirements
Excellent resistance to steam & hot water
Suitable for frequent autoclave, CIP, and SIP cycles
Outstanding chemical compatibility
Resistant to alcohols, detergents, cleaning chemicals, and mild acids/alkalis
Low extractables & no toxic additives
Low extractables & no toxic additives
Wide operating temperature range
Typically from -40 °C to +150 °C (custom grades available)
Cleanroom-ready manufacturing
Controlled production and optional post-curing & cleaning
Material Properties (Typical)
| Property | EPDM USP VI |
|---|---|
| Polymer Type | Ethylene Propylene Diene Monomer |
| Color | Black / White (custom colors available) |
| Hardness | 60 – 80 Shore A |
| Temperature Range | -40 °C to +150 °C |
| Sterilization | Steam, CIP, SIP |
| Biological Compliance | USP Class VI |
| Chemical Resistance | Water, steam, alcohols, detergents |
Typical Applications
KAFLON® EPDM USP VI Class O-Rings are widely used in hygienic and regulated industries, including:

Pharmaceutical manufacturing equipment

Biotechnology and life science processing systems

Medical device fluid handling assemblies

Hygienic pumps and diaphragm valves

CIP / SIP cleaning and sterilization systems

Sanitary piping, connectors, and manifolds
Why Choose KAFLON®

why choose our products
Pharmaceutical-grade compound development
Consistent batch-to-batch quality
Custom sizes, colors, and hardness available
Technical support aligned with global OEM standards
Cost-effective alternative to imported premium brands
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