./.WORLD TRADE
ORGANIZATIONG/TBT/Notif.99.285
16 June 1999
(99-2436)
Committee on Technical Barriers to Trade
NOTIFICATION
The following notification is being circulated in accordance with Article 10.6.
1. Member to Agreement notifying:   MALAYSIA
If applicable, name of local government involved (Articles 3.2 and 7.2):           
2. Agency responsible:   Department of Standards Malaysia
Agency or authority designated to handle comments regarding the notification shall be
indicated if different from above:   Standards Development Unit, SIRIM Bhd
3. Notified under Article 2.9.2 [ X ], 2.10.1 [    ], 5.6.2 [    ], 5.7.1 [    ], other:           
4. Products covered (HS or CCCN where applicable, otherwise national tariff heading.
ICS numbers may be provided in addition, where applicable):   Tubeless passenger car
tyre
5. Title, number of pages and language(s) of the notified document:   Standard Practice for
Determination of Bead Unseating Resistance of a Tubeless Passenger Car Tyre (First
Revision) (11 pages, in English)
6. Description of content:   This draft Malaysian standard prescribes the determination of
force required to completely dislodge the bead of an inflated tubeless passenger car tyre
from its rim as indicated by a loss of inflation pressure or a sudden drop in bead unseating
force as exerted by a bead unseating block.  The test requires utilization of a laboratory
testing machine equipped with a slow-moving bead unseating block, which has a curvedcontour with designated dimensions and shape.  The revised standard has incorporated
several new clauses such as the principle underlying the test procedure, its significance, and
a comprehensive explanation on the apparatus required in running the test, sample size and
conditioning requirements.  This draft Malaysian standard shall supersede MS150:  1973,
"Method of testing bead unseating resistance for tubeless passenger car tyres".
7. Objective and rationale, including the na ture of urgent problems where applicable:
Determination of bead unseating resistance for tubeless tyre
8. Relevant documents:
9. Proposed date of adoption:  To be determined
Proposed date of entry into force:  To be determined
10. Final date for comments:   31 July 1999G/TBT/Notif.99.285
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11. Texts available from:  National enquiry point [  X ] or address, e-mail and telefax
number of the other body:
WTO Enquiry Point
SIRIM Berhad
1 Persiaran Dato' MenteriP.O. Box 7035, Section 2
40911 Shah Alam
MALAYSIA
E-mail:  isd_resource@sirim.my
Fax:  603-556 7114