<p><b>1.1 </b>ISO 2580-1:2002 establishes a system of designation for acrylonitrile-butadiene-styrene (ABS) moulding and extrusion materials, which may be used as the basis for specifications.</p>
<p><b>1.2 </b>The types of ABS plastic are differentiated from each other by a classification system based on appropriate levels of the designatory properties</p>
<ol><li>Vicat softening temperature</li><li>melt volume-flow rate</li><li>Charpy notched impact strength</li><li>tensile modulus</li></ol>
<p>and on information about composition, intended application and/or method of processing, important properties, additives, colorants, fillers and reinforcing materials.</p>
<p><b>1.3 </b>This part of ISO 2580 is applicable to all acrylonitrile-butadiene-styrene materials consisting of a continuous phase based mainly on copolymers of styrene (and/or alkyl-substituted styrene) and acrylonitrile and a dispersed elastomeric phase based mainly on polybutadiene, plus other components, in such quantities as specified in the text.</p>
<p>It applies to ABS materials ready for normal use in the form of powder, granules, pellets or chips, unmodified or modified by colorants, additives, fillers, etc.</p>
<p>This part of ISO 2580 does not apply to materials</p>
<ul><li> with a Charpy notched impact strength of less than 3 kilojoules per square metre;</li><li> containing less than 50 % by mass of butadiene in the elastomer of the elastomeric phase;</li><li> containing less than 15 % by mass of acrylonitrile in the continuous phase.</li></ul>
Registration number (WIID)
33996
Scope
<p><b>1.1 </b>ISO 2580-1:2002 establishes a system of designation for acrylonitrile-butadiene-styrene (ABS) moulding and extrusion materials, which may be used as the basis for specifications.</p>
<p><b>1.2 </b>The types of ABS plastic are differentiated from each other by a classification system based on appropriate levels of the designatory properties</p>
<ol><li>Vicat softening temperature</li><li>melt volume-flow rate</li><li>Charpy notched impact strength</li><li>tensile modulus</li></ol>
<p>and on information about composition, intended application and/or method of processing, important properties, additives, colorants, fillers and reinforcing materials.</p>
<p><b>1.3 </b>This part of ISO 2580 is applicable to all acrylonitrile-butadiene-styrene materials consisting of a continuous phase based mainly on copolymers of styrene (and/or alkyl-substituted styrene) and acrylonitrile and a dispersed elastomeric phase based mainly on polybutadiene, plus other components, in such quantities as specified in the text.</p>
<p>It applies to ABS materials ready for normal use in the form of powder, granules, pellets or chips, unmodified or modified by colorants, additives, fillers, etc.</p>
<p>This part of ISO 2580 does not apply to materials</p>
<ul><li> with a Charpy notched impact strength of less than 3 kilojoules per square metre;</li><li> containing less than 50 % by mass of butadiene in the elastomer of the elastomeric phase;</li><li> containing less than 15 % by mass of acrylonitrile in the continuous phase.</li></ul>
