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Group IV
Group IV base oils are
polyalphaolefins (PAOs). These synthetic base oils are made through a process called synthesizing. They have a much broader temperature range and are great for use in extreme cold
Group IV base oils are polyalphaolefin (PAO) synthetic base oils. They are pure chemicals created in a chemical plant as opposed to being created by distillation and refining of crude oil (as the previous groups were).
PAOs fall into the category of synthetic hydrocarbons (SHCs). They have a VI of greater than 120 and are significantly more expensive than Group III base oils due to the high degree of processing needed to manufacture them.
Само за инфо, масла правени од Group III, се продаваат со етикета full syntetic oil.
Додека тие врска немаат со квалитет и цена со маслата произведени од Group IV основни масла.
И не биди селско мрчало. Иди гледај си кинески батерии.