« Reply #3 on: Dec 07, 2025, 1:05 pm »
 
I wouldn’t use Tricast again, it delaminates in time. PET is much better - after 12 years of hard life, my PET based hull has no delaminating at all. And much more forgiving in the event of ‘incidents’ because it has much better elongation before failure. 60kg/M^3 PET can be used for upper areas.

Ian Brooks
Gloucester, UK

« Reply #2 on: Dec 07, 2025, 10:04 am »
 
Anything above tricast  4 is ok for structural.  Tricast 6 is the strongest of the tricast range.  Tricast 4 is quite dusty.  None of the Tricast range bend very well. 

« Reply #1 on: Dec 06, 2025, 9:54 pm »
 
Ive asked this before, but my memory is not what it was.
i need to purchase some foam core materials and cost seems to be high for the posh stuff.
PET 100, seems like the good stuff, and would consider making the floor out of this and some structural components.
is there a cheaper alternative for things like the seating, the craft i am making is going to have a center console, bit like a rib.
what density of tri cast is teh correct one to use? is it tri cast 6?
are there any cheaper alternatives?