danp76 Oldtimer Nov 15, 2010 #1 Hi Guys, typically I use DH 42 or DH 46 RM hardener in the UNO-HD...Is there an SPI subsitute that I could use instead? Thankyou, Dan.
Hi Guys, typically I use DH 42 or DH 46 RM hardener in the UNO-HD...Is there an SPI subsitute that I could use instead? Thankyou, Dan.
Barry Paint Fanatic Staff member Nov 16, 2010 #2 I don't know the HD NCO ratio, so not worth the risk. No problem to make it cure but to cure right would be in question and stuff could end up like a low end product if ratio is not right.
I don't know the HD NCO ratio, so not worth the risk. No problem to make it cure but to cure right would be in question and stuff could end up like a low end product if ratio is not right.
