hnbr hoses hidraulica compatibility


Therefore, it could be affirmed that FKM and HNBR produced O-rings are more compatible with biodiesel and its blends than EPDM. Table 2 Changes of thickness of O-rings and outside diameter of hoses Material type Base B0 B30 B100 O-rings EPDM 3 mm +13 % …


COMPATIBILITY CHART Chemical Natural Rubber SBR, GRS Butyl EPR, EPT, EPDM Buna-N, Nitrile, NBR Hydrin Neoprene Hypalon Urethane, Polyurethane Polysulfide Silicone Fluorosilicone Fluoro Elastomers LEGEND A - RECOMMENDED B - MINOR TO MODERATE EFFECT C - MODERATE TO SEVERE U - UNSATISFACTORY BLANK - INSUFFICIENT DATA Acetaldehyde C U A A U C C U C

R134a and R12 Seals, difference? [Archive] - Refrigeration

11/3/2009· "Compatibility of NBR O-Rings is classed as good with R12, R134a, Mineral oil, POE oil, and PAG oil. The temp range for NBR is -22F to 210F." From what I have read on that post the switch to HNBR is not needed in R134a, and that NBR works fine with both gasses, so I''m not sure what to believe.

Chemical Resistance Guide - Goodall Hoses

Instructions for hose use, care & maintenance + Common operator requirements for a hose assely + Instructions for hose and coupling inspection + General instructions for proper hose storage + Hose hydrostatic testing & inspection + Do’s & don’ts of hose care and use. + Hose Assely + Hose assely: 7 tips for quick hose assely

Fluoro rubber (FPM) | RADO Gummi GH

Modern seals – as well as hoses and other parts – in commercial and military aircraft are often based on fluoro rubber. The usable temperature range of FPM O-rings is between -45 and +275°C. As such, these components can easily withstand the effects of the thermal cycles arising from a rapid ascent into and descent from the stratosphere.

Material Choice Guide to Selecting Rubber Compounds

Ethylene-propylene compounds are prepared from ethylene and propylene (EPM) and usually a third monomer (EPDM). These compounds are used frequently to seal in brake systems, and for sealing hot water and steam. Ethylene propylene compounds have good resistance to mild acids, detergents, alkalis, silicone oils and greases, ketones, and alcohols.

Rubber Chemical Resistance Chart, Rubber Compatibility

Welcome to our Rubber Chemical Resistance Chart. Here is the rubber compatibility chart that rates all popular rubber materials that comes into contact with various chemicals. Use this rubber chemical resistance chart to make sure that the elastomer or O-ring seal you choose will be compatible with the particular environment.

Understanding Hydraulic Oil Compatibility

The oil must be shear stable and must be compatible with seal and hose materials. In addition, hydraulic fluids must be maintained in order to ensure their long life and reliability. Some recommendations include: Keep hydraulic fluids cool. The bulk oil temperature at the exterior of the reservoir should never exceed 60 degrees C (140 degrees F

Elastomer FPM - Rubber Technology

ERIKS offers about 2000 standard elastomer FPM sheet compounds in several sizes available from stock, however we invite you to send us your enquiries for the special execution or size you need.

Elastomer Types and Chemical Compatibility

Elastomer chemical compatibility Elastomer Seal Selection Criteria 3 8 30 Novotema is a world-class designer and manufacturer of technical components and elastomer sealing solutions for demanding appliions. With over 300 elastomer (rubber) material grades to choose from, Novotema is sure to have a sealing material to suit any appliion.


• HNBR presents improved wear and extrusion compatibility • Enhanced resistance to heat, ageing and appliions • Properties in Hydrogenated Nitrile elastomers industries that use oil - powered appliions • Industries served: Petrochemical, Offshore Drilling, …

Compatibility Studies on Elastomers and Polymers with

As the Government of India is contemplating an increase in the blending percentage of ethanol in commercial gasoline from 5% to 10%, in the present work, compatibility studies of four types of elastomer materials, that is, Neoprene, Polyvinyl chloride/Nitrile butadiene rubber blend (PVC/NBR), hydrogenated Nitrile butadiene rubber (HNBR), and Nitrile rubber, and two types of plastic materials …

Freon 134a

hose designs used to provide the best balance of properties. Elastomer Compatibility Elastomers are used in all mobile a/c systems as seals, gaskets, O-rings, and for construction of hoses. Tests of several commonly used elastomers with CFC-12/mineral oil and Freon™ 134a/PAG have been performed to determine relative compatibility.

Nylon Chemical Compatibility Chart

Nylon Chemical Compatibility Chart: Check the chemical compatibility of Nylon with various chemicals, solvents, alcohols and other products.There are many forms of Nylon, so this is just a broad overview of general compatibility. Please Note: The information in this chart has been supplied by reputable sources and is to be used ONLY as a guide in selecting equipment for appropriate chemical

Compatibility of Elastomers in Neat Methanol Service

HNBR (Hydrogenated Nitrile) HNBR elastomers are a saturated version of NBR with superior heat resistance. These materials have excellent wear resistance, high tensile strength, high hot-tear resistance, low compression set, and good ozone and weathering resistance. Appliions are in …

Nitrile rubber - Wikipedia

Nitrile rubber, also known as nitrile butadiene rubber, NBR, Buna-N, and acrylonitrile butadiene rubber, is a synthetic rubber derived from acrylonitrile (ACN) and butadiene. Trade names include Perbunan, Nipol, Krynac and Europrene.This rubber is unusual in being resistant to oil, fuel, and other chemicals. NBR is used in the automotive and aeronautical industry to make fuel and oil handling

HNBR material data sheet - TRP Polymer Solutions

HNBR is, therefore, the perfect choice for a range of appliions, such as: HNBR elastomers provide excellent resistance to common automotive fluids such as engine oil, fuel and coolant as well as many other industrial chemicals. HNBR is, therefore, the perfect choice for a range of appliions, such as: Automotive • A/C seals and hoses.

New HNBR elastomers with improved fluid resistance and low

1/4/2019· Examples of specific appliions include belts, hoses, and static and dynamic seals. Other appliions include oil and gas exploration, and high performance rolls for steel and paper mills (ref. 2). The use of HNBR in demanding automotive appliions, for example seals (ref. 3), hoses (ref. 4) and fuel systems (ref. 5), has been demonstrated.

Green HNBR O-rings for Gasoline | HNBR O-ring for hydraulics

HNBR rubber components fulfill the gap between Nitrile (NBR) as well as Viton (FKM) simply because of its great resistance to motor oil, ATF, oxidized fuels and also lubriing oils when high temp conditions need higher tensile strength. The vehicle market is the largest client of HNBR. The use it for many dynamic and static seals, hoses and

Waltan Tools & Equipment : Hydraulic Seals 101

Hydraulic Seals 101. HYDRAULIC SEALS AND PNEUMATIC SEALS ARE DESIGNED AS PER THE CYLINDER WORKING PRESSURE, CYLINDER SPEED, OPERATING TEMPERATURE, WORKING MEDIUM AND APPLIION. Fluid power systems transfer and utilise mechanical power through a working fluid. Energy is transmitted, stored and used through the transfer and pressure of fluids.

HNBR rubber compounds - Polycomp

HNBR rubber, Properties & Appliions. HNBR is a hydrogenated version of NBR (nitrile) rubber. NBR is a copolymer of ACN and 1,3-butadiene. The NBR backbone still contains double bonds remaining from the 1,3-butadiene monomer units. These double bonds are also prone to chemical attack, thermal degradation and oxidation.


Chemical Compatibility for the following O-rings Elastomers: Ethylene Propylene, Fluorosilicone, Nitrile (Buna N), and Silicone. Technical Report TR-60D (Rev. ∅) 19650 Pauling Foothill Ranch, CA 92610-2610

Hydrogenated Nitrile 90 Durometer O-Ring (KB163-90

Parker''s hydrogenated nitrile KB163-90 (HNBR) a hydrogenation of nitrile rubber (NBR), has superior mechanical characteristics, particularly high strength, resulting in increased strength and durability. Shore A diamterr of 90 and black in color, . • Heat resistance - …


HNBR elastomers offer an excellent range of performance at a cost between nitrile rubber (NBRs) and (per)fluoroelastomers (FMKs). They fill the gap between these two elastomers in many areas of appliion where resistance to heat and aggressive media are required simultaneously.


automotive area, NBR is used in fuel and oil handling hose, seals and grommets, and water handling appliions. With a temperature range of –40C to +125C, NBR materials can withstand all but the most severe automotive appliions. On the industrial side NBR


This hose compatibility chart is a reference of Manuli hose compatibility with various fluid media. It is intended as a guide to chemical compatibility with inner tube materials and assely lubricants applied internally. The Fluid Compatibility Chart lists the relative resistance of hose tube and fitting materials to more common hydraulic

HNBR O-Rings – Page 2 – USASealing

HNBR O-Rings. Commonly called HNBR, these O-Rings are made of Buna-N which is hydrogenated to increase it''s strength and temperature resistance. Excellent resistance to …

Alternate Refrigerant Blends and Material Compatibility

R134a and PAG appears to be the best solution for retrofits where elastomer compatibility is taken into account. The initial results indie that the other alternative refrigerants tested are aggressive on the Nitrile and HNBR elastomers. HNBR or Nitrile materials are in …

Rubber Chemical Compatibility Chart & Resistance Guide

Compatibility Chart View Minor Rubber''s extensive chemical compatibility chart. This will help you select and design the correct rubber product for your appliion.

Hydrogenated Nitrile - HNBR Rubber Compounds - Techno Ad

Hydrogenated Nitrile Rubber (HNBR) Description: Hydrogenated Nitrile (HNBR) is a synthetic polymer that is obtained by saturating the double bonds in nitrile’s butadiene segments with hydrogen. HNBR is known for its physical strength and resistance to heat, oil, and …