https://www.avient.com/sites/default/files/2023-12/Polystrand Thermoplastic Composite Panel Application _ Install Guide.pdf
Hammerhead™ Composite Panels are made
from continuous glass-fiber reinforced
thermoplastic face sheets and polyester
foam cores.
USES & APPLICATIONS
FOAM CORE PANELS
Core Density
5 lb/ft3 8 lb/ft3
80 kg/m3 130 kg/m3
Panel Thickness
0.5 inch 0.75 inch 1.0 inch 0.5 inch 0.75 inch 1.0 inch
13mm 19mm 25mm 13mm 19mm 25mm
Facesheet Configuration 5848 Quad-Ply 5848 Quad-Ply
Property Test Method Unit
Areal
Weight Calculated
lb/ft2
kg/m2
0.83
4.05
0.93
4.54
1.04
5.08
0.96
4.69
1.13
5.52
1.31
6.40
Flexural
Strength
ASTM
D7249
psi
MPa
104
0.72
112
0.77
102
0.70
168
1.16
171
1.18
172
1.19
Flexural
Modulus
ASTM
D7249
psi
MPa
834,000
5,750
605,000
4,171
375,000
2,586
889,000
6,129
672,000
4,633
481,000
3,316
Flexural
Rigidity
ASTM
D7249
lb*in2
kN*mm2
33,000
95,000
64,000
183,000
100,000
286,000
42,000
120,000
71,000
203,000
126,000
361,000
TRUCK & RV
• Ceilings
• Cabinetry
• Load floors
• Sidewalls
• Aerodynamic
components
BUILDING &
CONSTRUCTION
• Modular panels for
temporary structures
• Garage & industrial
doors
• Walls & flooring
RAIL
• Doors
• Flooring
• Interior panels
MARINE
• Stringers
• Bulkheads
• Ceilings & decking
• Doors & cabinetry
HONEYCOMB CORE PANELS
Core Density
5 lb/ft3
80 kg/m3
Panel Thickness
0.5 inch 1.0 inch
13mm 25mm
Facesheet Configuration 6536 X-Ply 6536 Tri-Ply 6536 X-Ply 6536 Tri-Ply
Property Test Method Unit
Areal
Weight Calculated
lb/ft2
kg/m2
0.49
2.39
0.63
3.08
0.63
3.08
0.8
3.91
Flexural
Strength
ASTM
D7249
psi
MPa
33
0.23
82
0.57
46
0.32
97
0.67
Flexural
Modulus
ASTM
D7249
psi
MPa
418,000
2,882
693,000
4,778
265,000
1,827
368,000
2,537
Flexural
Rigidity
ASTM
D7249
lb*in2
kN*mm2
15,000
43,000
27,000
77,000
41,000
117,000
75,000
215,000
SUPPORT SPAN DEFLECTION
Meets performance required for marine applications
Predictive deflection in various load cases.
FASTENER
TYPE BENEFITS CONSIDERATIONS FOAM
HONEY
COMB
Through-
bolting
Best
mechanical
locking
system
Need back side
access to panel ✓ ✓
Wide Grip
(Bulb-Style)
Rivet
Highest
pullout
strengths
Requires pilot hole ✓
Cup
Washer
Spreads
compressive
load
Requires relief hole;
for substructure
and hard point
attachment
✓ ✓
Wide Grip
(Bulb-Style)
Rivet
Ease of use—
no installation
torque
limitations
For lower
load attachments ✓
Sheet Metal
or
Wood Screw
Readily
available,
low cost
Penetrate both skins
for improved pullout ✓
Shoulder
Washer
Limits
compressive
load
Requires relief hole;
for substructure
and hard point
attachment
✓ ✓
FASTENER SELECTION
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