Please can someone tell me what i'm doing wrong?
I've enlarged 3 heads with Hydrospan, made moulds of each, when the rubber has cured i've removed the heads without problems.
Now i've come to cast the heads, i've made moulds, poured the plastic and each time the head has stuck to to the mould ruining it when i try to take it out.
This has happened several times now and i'm really getting p'd off with it. It doesn't matter whether i use release agent or not, the same thing always happens and i have to start the whole process from the beginning.
This last occasion, there was a 12 hour window between me de-moulding the Hydrospan head and pouring the plastic.
I've printed off the tutorials and follow them rigidly but nothing i try seems to work.
I've enlarged 3 heads with Hydrospan, made moulds of each, when the rubber has cured i've removed the heads without problems.
Now i've come to cast the heads, i've made moulds, poured the plastic and each time the head has stuck to to the mould ruining it when i try to take it out.
This has happened several times now and i'm really getting p'd off with it. It doesn't matter whether i use release agent or not, the same thing always happens and i have to start the whole process from the beginning.
This last occasion, there was a 12 hour window between me de-moulding the Hydrospan head and pouring the plastic.
I've printed off the tutorials and follow them rigidly but nothing i try seems to work.
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