CEN/TC 249/SC 1/WG 9 - Styrenics

2011-08-08 ANP: Text received in ISO/CS (see notification from 2011-08-04 in dataservice)
2010-04-16 EMA: WI track modified into a VA ENQ+FV. Contrary to ISO previous announcement, this project will be submitted to Enquiry and not to the FIDS ballot as previously foreseen.
2010-04-01 EMA: WI changed into a MINOR REVISION in ISO.

Cancels and replaces the first edition (1980). Specifies the methods of preparation of test specimens and the test methods to be used in determining the properties of PS moulding and extrusion materials. Gives requirements for handling test material and for conditioning both the test material before moulding and the specimens before testing. Gives procedures and conditions for the preparation of test specimens and procedures for measuring properties of the materials from which these specimens are made. Lists properties and test methods which are suitable and necessary to characterize PS moulding and extrusion materials.

Cancels and replaces the first edition (1981). Specifies the methods of preparation of test specimens and the test methods to be used in determining the properties of SAN moulding and extrusion materials. Gives requirements for handling test material and for conditioning both the test material before moulding and the specimens before testing. Gives procedures and conditions for the preparation of test specimens and procedures for measuring properties of the materials from which these specimens are made. Lists properties and test methods which are suitable and necessary to characterize SAN moulding and extrusion materials.

Cancels and replaces the firs edition (1985). Establishes a system of designation for polystyrene thermoplastic material, which may be used as the basis for specifications. Applicable to all amorphous polystyrene homopolymers. Applies to materials ready for normal use, unmodified or modified by colorants, additives, fillers etc. Does not apply to expanded polystyrene, styrene copolymers, homopolymers of substituted styrene and those modified with other polymers such as elastomers.

Migrated from Progress Sheet (TC Comment) (2000-07-10): Changing of track further to TA (MG) requests - BP (970404): ++ From UAP to VA/ISO ENQ+FV

Migrated from Progress Sheet (TC Comment) (2000-07-10): Changing of track further to TA (MG) requests - BP (970404): ++ From UAP to VA/ISO ENQ+FV