Griffon UNI100 is an excellent solvent cement for PVCu. It comes in three sizes 125ml, 250ml, 500ml and 1 litre. It is quick and easy to use. It softens the inside of the fitting and the outside of the pipe to form a joint chemically. WRAS approved. Griffon WDF-05 is quick drying solvent cement especially useful in damp environments such as swimming pools. It is very quick and easy to use.