Standard Sward hardness for industrial coatings often sits between 35–45 units. The designation under GDP E239 raises the bar significantly. To achieve this rating, a coating must demonstrate:
The "Extra Quality" label likely refers to the purity or germination rate of the seed mix, a standard industry classification for premium commercial seed lots. Technical Context: "GDP E239" gdp e239 grace sward extra quality
In this specialized context, it specifically refers to "Green GDP" or the integration of environmental degradation and resource depletion into standard national economic accounting. Standard Sward hardness for industrial coatings often sits