Bitumen 30/40
description Bitumen 30/40 is a kind standard penetration grade bitumen. The bitumen penetration grade 30/40 supplied by Bitumen Malaysia is produced from the vacuum residue (short residue) feedstock. Penetration grade bitumens are specified by the penetration and softening point test. Penetration grade bitumens have a thermoplastic property which causes the material to soften at high […]
