GB/T 5564-2006: Rubber and plastics hoses -- Sub ambient temperature flexibility tests

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Scope

This Standard specifies two methods for assessing whether a rubber or plastics hose
retains adequate flexibility at subambient temperatures.
Method A is applicable to non-collapsible hose with a nominal inner-diameter up to
and including 25 mm. It measures the increase in stiffness compared to the flexibility
at a standard laboratory temperature.
Method B is a simpler, qualitative method suitable for control testing and is applicable
to hose with a nominal inner-diameter up to and including 100 mm.

Basic Data

Standard ID	GB/T 5564-2006 (GB/T5564-2006)
Description (Translated English)	Rubber and plastics hoses -- Sub ambient temperature flexibility tests
Sector / Industry	National Standard (Recommended)
Classification of Chinese Standard	G42
Classification of International Standard	23.040.70
Word Count Estimation	6,692
Date of Issue	2006-12-29
Date of Implementation	2007-06-01
Older Standard (superseded by this standard)	GB/T 5564-1994
Quoted Standard	GB/T 2941; GB/T 5563
Adopted Standard	ISO 4672-1997, IDT
Regulation (derived from)	National Standard Approval Announcement 2006 No.13 (Total No.100)
Issuing agency(ies)	General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China
Summary	This standard specifies the evaluation of rubber or plastic hose below the ambient temperature can maintain sufficient flex of the two methods. A method is not applicable to the nominal inside diameter of 25mm or less collapsible hose (including 25mm) of. It is measured under standard laboratory temperature is increased compared with a stiff flex. Method B is applicable to a simpler qualitative methods in controlled trials. Applicable to the nominal inside diameter hose 100mm or less (including 100mm) of.