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Old 04-17-2017, 01:41 PM   #2
gmc
Senior Member
 
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Brand: Thor Motor Coach
Model: Hurricane 32A
State: Florida
Posts: 1,871
THOR #2829
My Hurricane (2014) has a double pancake light installed vertically just behind passengers seat... As I use that seat for our seasonal trips as an 'office - the light got a lot of use. It definately doesn't vent properly in that orientation - and started to melt/discolor the clean plastic lens.
Definitely cooler on LED now.

Heat certainly not good - but long way from melting to ignition...
Some examples:

Melting points and ignition temperatures

Plastic
Melting Point
Range
Ignition Temperature
ABS
88-125
416
Acrylics
91-125
560
Cellulosics
49-121
475-540
Nylons
160-275
424-532
Polycarbonate
140-150
580
Polyesters
220-268
432-488
Polyethylene ld
107-124
349
Polyethylene hd
122-137
349
Polypropylene
158-168
570
Polystyrene
100-120
488-496
Polyurethanes
85-121
416
PTFE
327
530
P.vinylideneclor
212
454
PVC
75-110
435-557
__________________
Greg
Not yet retired...
Florida (Michigan transplant)
2014 Hurricane 32A
2000 Infinity (previous)
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