Techniset 6435 with catalyst 712. Its a 3 Part system.
Part 1 + 2 = 1.8% of sand mass
P3 = 3% of Part 1.
Sand is #90 so quite fine.
3 part system works way better than the 2 part I used in NZ. Mixes really evenly with hardly any effort.
The mandrel is spaced apart like that so that if we cant form it by hand and need to make hydraulic tooling theres some room to put it behind the rail.
Ideally it would only be 100mm apart. Save some weight!