DIN 53509-2:1994 Testing of rubber - Determination of resistance to ozone cracking - Part 2: Reference method for determining ozone concentration in laboratory test chambers
The document describes two types of methods for the determination of ozone concentration in laboratory test chambers.
DIN 53509-2:1994 history
2011DIN ISO 1431-3:2011 Rubber, vulcanized or thermoplastic - Resistance to ozone cracking - Part 3: Reference and alternative methods for determining the ozone concentration in laboratory test chambers (ISO 1431-3:2000)
1994DIN 53509-2:1994 Testing of rubber - Determination of resistance to ozone cracking - Part 2: Reference method for determining ozone concentration in laboratory test chambers