Printed version of this standard is available at Library. To request, please e-mail to referencepk@usm.my and include a copy of this record in your e-mail.
This British Standard specifies requirements for composition and physical properties of toroidal sealing rings ('O'-rings) manufactured from acrylonitrile-butadiene rubbers complying rubbers used are BO 50, BO 60, BO 70, BO 80 and BS 6996.