Plastics. Quantitative evaluation of scratch-induced damage and scratch visibility1 Scope ThisInternationalStandarddealswithquantitativeevaluationofscratchinduceddamageandscratchvisibilityinpolymers. ThisInternationalStandardspecifiestwomethodstoassessscratchdamageandscratchvisibilityexpressedbythreecolourcoordinatesofa3 Dcolourmodel. MethodAusesascratchtipcapableofarea contactorline contactwithmaterialsurfacesunderaconstantloadcondition. Itisrepresentedbyscratchdamageindex (SDI). MethodBusesascratchtipcapableofline

Contents for PAS 2031:2012 includes:

BS EN 17176‑2 specifies the characteristics of unplasticized poly (vinyl chloride) which is resistant to almost every type of corrosion

forming and welding equipment up to

goods and service lifts with a view to safeguarding people and objects against the risk of accidents associated with the operation of lifts and service lifts

especially from fire and electrical shock

BS EN 60730-1 is a European standard that focuses on general requirements for automatic electrical controls

20 bis together with V

Visibility conditions from the driver's cab

with BS 6381-compliant drawing boards you can ensure your technical drawings are accurate and consistent

and analyzed by any technique that can meet the analytical performance criteria

Guidance in BS 7442-2 enables you to standardize common technical terms used in the rollers and rubber industries that are compiled for proper understanding to accurately understand relevant text

and fixed electric traction equipment