- Mc 70 prime coat. What asphalt materials should be used for prime coats? For a prime coat to be effective it must be able to penetrate into the base course. PRIME COAT MC-70 DESCRIPTION MC-70 is a liquid petroleum product produced by fluxing penetration grade bitumen with suitable petroleum diluents. The cutback bitumen is ideal for prime coat and cold applied because of easy uses and no need to thinning and heating. Suitable for various applications. . DESCRIPTION Blacklidge’s MC-70 is a specialized emulsion specially formulated as a Medium curing cut back emulsion. USES & APPLICATION MC 70 is suitable for use in the construction and maintenance of pavement as designated in ASTM D2399. Uses of Cutback Bitumen MC70 The reduction in viscosity of the bitumen aids the construction of seal coats in road pavements as the softened mixture wets the chips more easily. 3 days ago ยท Looking for MC70 Cutback Bitumen? Our premium MC70 grade is perfect for road prime coats, dust control, and surface treatments. MC70 is commonly used in the road construction industry as a prime coat of the road base prior to placing of the bituminous layer. rrdyko g2qa ivvq tqam h6 r07 wgrery rlo obk cgfb4p
