NF T42-021:2008 Plastics/rubber - Polymer dispersions and rubber latices (natural and synthetic) - Determination of surface tension by the ring method.
2008NF T42-021:2008 Plastics/rubber - Polymer dispersions and rubber latices (natural and synthetic) - Determination of surface tension by the ring method.
1978NF T42-021:1978 Determination of the surface tension of latex rubber.