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- Title
The influence of the age of biodiesel and heating oil with 10 % biodiesel on the resistance of sealing materials at different temperatures.
- Authors
Weltschev, M.; Heming, F.; Haufe, M.; Heyer, M.
- Abstract
The objective of this research was to determine the resistance of frequently used sealing materials such as fluorocarbon rubber (FKM), fluorosilicone rubber (FVMQ), silicone rubber (VMQ), ethylene-propylene-diene rubber (EPDM), chloroprene rubber (CR), chlorosulfonated polyethylene (CSM), butyl rubber (IIR), acrylonitrile butadiene rubber (NBR), polyester urethane rubber (PUR) and polyamide (PA) in non-aged/aged biodiesel and heating oil with 10 % biodiesel at 20 °C, 40 °C and 70 °C. Mass, tensile properties and shore hardness A/D (for polyamide) of the test specimens were determined before and after the exposure for 84/42 days in the aged and non-aged fuels of different age. Biodiesel fuels are easily oxidized and contain acids and water. The sealing materials: acrylonitrile butadiene rubber, butyl rubber, chloroprene rubber, chlorosulfonated polyethylene and ethylene-propylene-diene rubber and were generally not resistant to biodiesel and heating oil with 10 % biodiesel. Fluorocarbon rubber, fluorosilicone rubber and polyamide were the most resistant materials in all tested fuels up to 70 °C. The degree of damage to the sealing materials increased with higher test temperatures and the age of the fuels.
- Subjects
SEALING (Technology); RESISTANCE heating; BIODIESEL fuels; TENSILE strength; HARDNESS; THERMAL analysis
- Publication
Materialwissenschaft und Werkstoffechnik, 2017, Vol 48, Issue 9, p837
- ISSN
0933-5137
- Publication type
Article
- DOI
10.1002/mawe.201700058