Chemraz® O-Rings Selection Guide

Order Green Tweed Chemraz ® o-rings from Marco Rubber for excellent resistance to high temperatures, chemicals and solvents. A perfluoroelastomer, Chemraz ® o-rings are known to provide reliable sealing in a wide range of applications.

Chemraz 505, for instance, is the o-ring material of choice for demanding services in basic chemical processing. Chemraz 605 features even wider range of chemical resistance and also medical grade USP Class VI Certified. Chemraz 615 high temperature perflouroelastomer o-ring material can perform up to 620 ºF (325ºC).

Chemraz ® o-rings from Marco Rubber are available in Greene Tweed perfluoroelastomer compounds as high temperature o-rings and chemically resistant o-rings to meet extreme application conditions. Contact a perfluoroelastomer oring sealing expert today for help selecting the best Chemraz ® o-ring compound for your application.

Looking for Semiconductor Grade O-Rings? Check out our Chemraz Compound Material Properties.

Chemraz® Compatibility

Compound #	Datasheet	Color	Hardness (Shore A)	Temp Range °F	Tensile Strength (PSI)	Modulus @ 50% MPA (PSI)	Modulus @ 100% MPA (PSI)	Elongation %	Temp Retraction 10%	Compression Set (70 hours at 400ºF)	Features
C505		Black	75	-20 to 425	1750	450	1150	140	25	25	A field proven universal compound having a broader range of chemical resistance than any other single compound on the market. Chemraz 505 is the elastomer of choice used to seal better than 90% of the most demanding services found in the chemical process and refining industries.
C615		Black	80	0 to 615	1830	360	1090	135	16	16	The highest temperature perfluoroelastomer on the market. Chemraz 615 can handle continuous operating temperatures up to 615ºF with outstanding resistance to fatal thermal related compression set.
C605		Black	80	0 to 500	2150	420	1310	130	20	20	A high temperature compound with superior physical properties and chemical resistance comparable to Chemraz 505. This compound excels in demanding dynamic applications and exhibits unparalleled performance in high temperature steam and water. Chemraz 605: Recently received USP Class VI Certification
C526		Black	95	0 to 500	2580	-	-	100	30	30	This specialty black compound was formulated for incredible resistance to explosive decompression damage common in high pressure gas services. Chemraz 526 is also used in monomer services where polymerization attacks and ruptures common elastomeric seals.
C584		Cream	70	-22 to 428	1300	350	780	145	35	35	This specialty cream Chermaz compounds are formulated to withstand the most demanding chemical process applications. Chemraz 584 and 585 are the elastomers of choice for strong oxidation fluids and hot aqueous solutions.
C585		Cream	80	-22 to 428	1550	625	1240	130	35	35	This specialty cream Chermaz compounds are formulated to withstand the most demanding chemical process applications. Chemraz 584 and 585 are the elastomers of choice for strong oxidatio and hot aqueous fluids.
C514		White	70	-20 to 425	1460	300	680	190	25	25	The white industrial compounds are for applications where contamination from carbon black must be prevented. Not for use in acids, aldehides, ethylene oxide, or propylene oxide.
C517		White	80	-20 to 425	1600	540	1050	165	25	25	The white industrial compounds are for applications where contamination from carbon black must be prevented. Not for use in acids, aldehydes, ethylene oxide, or propylene oxide.