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Colgrave

Colgrave is a CE marked Cold Mix Emulsion produced by COLAS Bitumen Emulsions in accordance with EN 13808:2013 Bitumen and Bituminous Binders.

Colgrave complies with TII Specification; Table 24b of Specification for Road Works Series 900 - Road Pavements - Bituminous Materials (CC-SPW-00900).

Colgrave is a specially designed slow setting Emulsion for Cold Mix asphalts such as Stabilised Wet Mix, Colgrave Macadams and Recycling.

Product Description

Colgrave:

ColGrave is our specially designed slow setting emulsion for cold-mix asphalts such as Low-Energy Bound Mixes (as specified by TII Series 900), Stabilised Wet-Mix, Grave-Emulsion and cold in situ recycling;

Since their development by Colas in France over 50 years ago, cold-mix asphalts have been found to give equivalent, if not better, performance than hot-mix asphalts and are most suited to the overlay of roads with weak subgrades.

Technical Advice
Composition 160-220 pen bitumen, water, bitumen emulsifiers, and fluxant.
Temperature application temperature ambient, avoid frost.
Precautions non-flammable but will boil and develop steam pressure above 90°C.
Recommended Asphalt Binder Content:
  • Stabilised Wet Mix :- 3-3.6%
  • Colgrave :- 3.5-4.5%