Proposal from Chinese NC: Future IEC 61249-2-42: Materials for printed boards and other interconnecting structures - Part 2-42: Reinforced base materials, clad and unclad - Brominated epoxide non-woven/woven E-glass resinforced laminated sheets of defined flammability (vertical burning test), copper-clad for lead-free assembly

(Future IEC 61249-2-27): Materials for printed boards and other interconnecting structures - Part 2-27: Reinforced base materials clad and unclad - Bismaleimide/triazine modified with non-halogenated epoxide woven glass laminate sheets of defined flammability (vertical burning test), copper-clad

(Future IEC 61249-2-30): Materials for printed boards and other interconnecting structures - Part 2-30: Reinforced base materials clad and unclad - Non-halogenated epoxide modified cyanate ester woven glass laminate of defined flammability (vertical burning test), copper-clad

(Future IEC 61249-2-39): Materials for printed boards and other interconnecting structures - Part 2-39: Reinforced base materials clad and unclad - Modified epoxide and non-epoxide, woven E-glass laminated sheets of defined flammability (vertical burning test), copper-clad for lead-free assembly

(Future IEC 61249-2-40): Materials for printed boards and other interconnecting structures - Part 2-40: Reinforced base materials clad and unclad - High Performance, modified, non-halogenated epoxide woven E-glass laminated sheets of defined flammability (vertical burning test), copper-clad for lead-free assembly

Corrosion of metals and alloys - Determination of resistance to stress corrosion cracking of copper and copper-zinc alloys in ammonia vapour

Sulfur corrosion test method of copper winding in electric field for power equipment

Ferronickel - Determination of carbon, sulphur, silicon, phosphorus, nickel, cobalt, chromium, and copper contents by Spark Emission Spectrometry

Copper and zinc sulfide concentrates - Determination of silver content - Acid digestion and flame atomic absorption or inductively coupled plasma emission spectrometric method

Copper, lead and zinc sulfide concentrates - Determination of fluorine content by sodium hydroxide fusion and fluoride ion selective electrode detection