This O-ring 121x4 - FFKM - FFPM - F707Z94 - 70 Shore A - Black - ORS782262 is manufactured from our high-quality FFKM (also known as FFPM or perfluoroelastomer) compound F707Z94. This material is approximately equal to DuPont Kalrez® 6320 and Freudenberg Simriz® 491. It has been specifically developed for use in the chemical process industry, where maximum reliability and resistance are required.

Excellent High Temperature Resistance

This perfluoroelastomer O-ring operates within a standard temperature range of -25°C to +270°C, with short-term peaks up to +300°C. These characteristics make this FFPM O-ring ideal for demanding industrial applications where resistance to extreme temperatures is essential.

✅ Standard operating temperature: -25°C to +270°C
✅ Short-term resistance up to +300°C
✅ Low compression set, even at high temperatures

Broad Chemical Compatibility

The FFKM compound F707Z94 (approximately equivalent to DuPont Kalrez® 6320 and Freudenberg Simriz® 491) provides outstanding chemical resistance across a wide spectrum of aggressive media, including:

✅ Harsh chemicals, acids, and bases
✅ Steam, amines, and both organic and inorganic substances
✅ Methanol, TBA, MTBE, esters, and ethers

Thanks to these properties, this O-ring is widely used in the chemical processing sector. For detailed compatibility per substance, please refer to our chemical resistance guide for FFKM O-rings.

Certifications and Approvals

The O-ring 121x4 - FFKM - FFPM - F707Z94 - 70 Shore A - Black - ORS782262 complies with several international standards, making it suitable for critical applications in the food, pharmaceutical, and chemical industries.

✅ FDA 21 CFR 177.2600 – Suitable for food contact
✅ FDA 21 CFR 177.2400 – Approved for rubber articles in food applications
✅ 3A Sanitary Standard – Meets hygiene requirements for dairy and food processing
✅ USP Class VI – Biocompatible and certified for pharmaceutical use

Order FFKM O-rings at O-ring-stocks.eu

FFKM O-rings, also referred to as FFPM O-rings or sold under trade names such as Kalrez®, Simriz®, Chemraz®, Spectrum®, Triazinico®, Isolast®, Parofluor®, Fluorez®, Perlast®, or Perfluor®, can easily be ordered online at O-ring-stocks.eu. We offer a wide range of FFKM compounds, allowing you to select the most suitable material for your specific application.