I-pitch yamalahle, imfutshane kwitha yetha yelahle, ukusetyenzwa kwetela yamalahle emva kokususwa kwentsalela yolwelo lwe-distillate, yolohlobo lwe-asphalt eyenziweyo, ngokubanzi yolwelo lwe-viscous, ulwelo oluqinileyo okanye oluqinileyo, olumnyama kwaye olukhazimlayo, oluqulathe i-carbon 92 ngokubanzi. ~ 94%, i-hydrogen malunga ne-4 ~ 5%. Amalahle...
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