Rislone Liquid Copper™ Block Seal Intake & Radiator Stop Leak seals larger leaks regular stop leaks won’t. One step formula permanently repairs larger leaks in radiators, intake manifolds & gaskets, heater cores, blocks, heads and welch plugs. Use on cars, trucks, vans, utes, SUV’s and RV’s.
One “1” Step Sealer contains an antifreeze compatible sodium silicate liquid glass formula, so no draining of the cooling system is required. It will not harm the cooling system when used properly. Use with all types of 50-50 mix antifreeze including conventional green or blue (Silicate-based) and extended life red/orange or yellow (OAT /HOAT) coolant.
DOSAGE:
Use – 1/2 (half) bottle in a small cooling system, such as 4 cylinders with no A/C.
For other small systems use approximately 20 mL per litre of cooling capacity.
Use 1 (one) bottle for regular size systems, which are for most 4, 6, 8 and 10 cylinder engines.
For larger systems, use 1 bottle for every 23 litres of cooling system capacity.
DIRECTIONS:
PERMANENTLY FIXES COOLING SYSTEM LEAKS
Sealing Liquid | Stop Leak Fibres |
Liquid penetrates large and small leaks in plastic, aluminium and cast iron intakes, heads, blocks and radiators. | Fibre additives lock together with liquid to increase strength and promote a permanent seal in |