PENGARUH UKURAN BUTIR PASIR TERHADAP KUALITAS COR PADUAN ALUMINIUM KALENG MIN…

Pekanbaru collects 16.75 tons of recycled aluminium beverage cans each month, which is a sizable amount but the processing is still very limited. Making products patterned door bell holder selembayung with lost foam casting method can be one solution to reduce the amount of recycled aluminium beverage cans and introduce more regional characteristics of Riau. This study aims to determine…