Title Of Document
Road vehicles — Elastomeric boots for cylinders for drum type hydraulic brake wheel cylinders using a non-petroleum base hydraulic brake fluid (Service temperature 120 degrees C max.)
Abstract
ISO 4927:2005 specifies performance tests for moulded rubber boots used at end closures on drum type wheel brake cylinders. These boots prevent the entrance of dirt and moisture which could cause corrosion and otherwise impair wheel brake operation. ISO 4927:2005 is applicable to boots of both plain and reinforcement insert types, for fitting in wheel cylinders using a fluid in accordance with ISO 4925. It does not include requirements relating to chemical composition, tensile strength or elongation at brake of the rubber compound; it does not cover the strength of adhesion of rubber to the reinforcement in the insert type. The rubber material used in these boots shall be suitable for operation in a temperature range of -40 °C to +120 °C.
Category of Standards
Category 2
Document number assigned by ASEAN
ISO 4927:2005
HS
HS Range
MRA/Harmonised Regulations related to the Standard
No current MRA
ASEAN Body responsible for Standard
Rubber-Based Products Working Group (RBPWG)
Member States
BN
ID
KH
LA
MM
MY
PH
SG
TH
VN
Date of harmonisation in ASEAN
16/10/2025
Date of Latest Review
Links :
Road vehicles — Elastomeric boots for cylinders for drum type hydraulic brake wheel cylinders using a non-petroleum base hydraulic brake fluid (Service temperature 120 degrees C max.)