Assertion: butane | /r/DefinedAs | the american society
Facets:
value: for testing
type: PURPOSE
value: for internal combustion engines
type: CAUSE
value: for materials
type: PURPOSE
Source sentences:
text: This is the HD-5 standard, (Heavy Duty-5% maximum allowable propylene content, and no more than 5% butanes and ethane) defined by the American Society for Testing and Materials by its Standard 1835 for internal combustion engines.