Gaskets denver rubber company gas ks


Leading the custom gasket manufacturing industry, Denver Rubber Company carries nitrile materials to provide flexible solutions for variety of fabrication projects. We stock an extensive inventory of nitrile materials for all of your applications.

Nitrile, also known as Buna-N, acrylonitrile butadiene rubber, and NBR, is a synthetic rubber copolymer of acrylonitrile (ACN) and butadiene. Although its physical and chemical properties vary depending on the polymer’s composition of nitrile, this form of synthetic rubber is unusual in being generally resistant to oil, fuel, and other chemicals. It is used in the automotive and aeronautical industry to make fuel and oil handling hoses, seals, gaskets and grommets. Nitrile’s ability to withstand a range of temperatures from ?40 to 226 °F makes it an ideal material for applications requiring a wide temperature range. Nitrile rubber is generally resistant to aliphatic hydrocarbons. Nitrile, like natural rubber, can be attacked by ozone, ketones, esters and aldehydes. General Information

Maintaining an extensive inventory, DRC offers the most complete line of viton materials available today. Our highly trained development & design team can design a new part, or modify/duplicate an existing part. Our capabilities allow us to use viton manufacture quantities from prototypes and short runs through large quantity production runs.

Viton is a brand of synthetic rubber and fluoropolymer elastomer commonly used in O-rings and other molded or extruded goods. The name is a registered trademark of DuPont Performance Elastomers L.L.C. Viton fluoroelastomers are categorized under the ASTM D1418 and ISO 1629 designation of FKM. This class of elastomers is a family comprising copolymers of hexafluoropropylene (HFP) and vinylidene fluoride (VDF or VF2), terpolymers of tetrafluoroethylene (TFE), vinylidene fluoride (VDF) and hexafluoropropylene (HFP) as well as perfluoromethylvinylether (PMVE) containing specialties. The fluorine content of the most common Viton grades varies between 66 and 70%. General Information

The Food and Drug Administration is the US Federal Agency responsible for ensuring that foods are safe, wholesome and sanitary; human and veterinary drugs, biological products and medical devices are safe and effective; cosmetics are safe; and electronic products that emit radiation are safe.

FDA CFR 21.177.2600 paragraphs A to D describe the relevant regulations for “Rubber articles intended for repeated use”. This lists the ingredients, and any quantitative limits, that may be used in rubber compounds intended for repeated use in all stages of food manufacture, preparation and transportation.

FDA CFR 21.177.2600 paragraphs E and F also specify limits on extractable products if the FDA rubber is to be used in contact with aqueous or fatty foods. The regulation specifies extraction test limits in water and n-hexane. It is important to note that for an FDA rubber material to be compliant to these requirements, then this claim must be supported with appropriate documentation such as a manufacturer’s FDA certificate.

FDA does not “approve” products to CFR 21.177.2600. It is for the manufacturer of the finished FDA rubber product to demonstrate compliance by issuing a FDA certificate. It is also important to note that while a component may be made from a FDA rubber material that is suitable for food contact; this does not mean that the part is technically suitable for its intended application.