Unbleached Kraft Pulp UKP=Unbleached Kraft Pulp, that is, unbleached wood pulp, most of which are coniferous species. Very rarely, pulp mills in Europe and Southeast Asia will produce some unbleached broadleaf, but not long-term products.
Compared with bleached pulp, the brands of unbleached pulp are relatively limited. The common imported brands in China are as follows:
Canada: Prince George, Rainbow Fish; most of them are northern leaves, the price is relatively high, the quantity is small, and the price of individual brands with better insulation can be tens of dollars higher than the general UKP;
United States: Desert, Olympic, Simpson; mostly southern pine, which belongs to mid-range positioning, and the supply is not very stable;
Chile: Venus; it has almost become a market-recognized index brand, with stable quality and supply, with a price of $550 this month;
Russia: Solomon, Baikalsk, Uschi*, Swan, Mariinsky, etc.; there are differences in pricing between brands, and most of them belong to low- and medium-grade positioning;
In addition, there are Chunmu in South Africa, Hyogo in Japan, Tai Chi in Portugal, Tasman in New Zealand, etc.;
There are also some non-standard brands, which can also be classified as natural color pulp, such as Russian sulfite natural color pulp, also known as semi-bleached pulp, such as Seyarsky, KK-2, Vyborg, etc., as well as the United States In addition, if the equipment allows, individual pulp mills will also intermittently produce some natural pulps, such as Uski Pulp Mill, but it depends on market conditions and Equipment factors, as well as raw materials.
*Usqi also has a natural block pulp, its drying method is flash drying, and the cost is lower than that of board pulp drying.