Modeling Boards Specifications

Note: All product titles link to the respective product pages.

 
Hardness
Shore D
Density
g/cc
Density
lb./ft.3
Tensile
Strength
(psi)
Compressive
Strength
(psi)
Compressive
Modulus
Elasticity (psi)
Flexural
Strength
(psi)
Flexural
Modulus
(psi)
Glass
Transition
Temp (°F)
Coefficient
Thermal
Expansion
(in./in./°F)
Color
54
0.55
34
1,300
1,400
105,000
2,300
106,000
203
34.4 x 10-6
Red Brown
60
0.60
37
1,300
2,900
101,526
2,900
106,000
203
30.5 x 10-6
Lt. Brown
65
0.66
41
2,300
2,800
135,000
4,000
144,000
205
36.0 x 10-6
Lt. Brown
60
0.67
42
1,570
3,600
139,104
4,340
125,770
185
27.7 x 10-6
Lt. Brown
60
0.70
43
1,886
3,625
139,236
4,351
152,000
187
30.5 x 10-6
Lt. Brown
64
0.77
48
1,800
2,200
181,000
3,700
185,000
219
29.9 x 10-6
Lt. Brown
Freeman M-3700  (formerly M-37)
59
0.59
37
2,538
2,538
3,263
31 x 10-6
Brown
Freeman M-4000  (formerly M-40)
62
0.64
40
3,989
3,989
3,989
31 x 10-6
Brown
Freeman M-4400  (formerly M-45)
69
0.72
44
4,714
4,714
3,989
26 x 10-6
Lt. Brown
Freeman M-4500  (formerly M-46)
71
0.72
45
5,076
5,076
4,360
27 x 10-6
Lt. Brown
Freeman M-4600  (formerly M-47)
68
0.74
46.5
3,762
5,150
154,200
46.8 x 10-6
Brown
71
0.75
46.8
5,000
5,000
5,438=
31 x 10-6
Turquoise
ASTM
D-2240
D-792
D-792
D-638
D-695
D-695
D-790
D-790
D-4065
D-3386
 


Applications

 = Ideal      = Acceptable      = Not recommended

CNC Proofing
Models (Architectural, styling, temporary)
Low-density Substructure
Tooling Aids & Fixtures
Intermediate-Temp Master & Lay-up Tools
High-temp master & lay-up tools
Foundry Patterns
Vacuum-Form Molds
Metalforming Tools
 


Machining Specifications

 
Roughing
Speed
(RPM)
Roughing
Feed
(IPM)
Finishing
Speed
(RPM)
Finishing
Feed
(IPM)
RenShape 440 2,000 200 15,000 200
RenShape 5440 2,000 100 15,000 200
Freeman M-3700 2,000 100 15,000 200
Freeman M-4000 2,000 100 15,000 200
RenShape 450 2,000 100 15,000 200
RenShape BM-70 2,000 100 15,000 200
RenShape 5460 2,000 100 15,000 200
Freeman M-4400 2,000 100 15,000 200
Freeman M-4500 2,000 100 15,000 200
Freeman M-4600 1,600 40 10,000 100
Freeman M-4650 1,600 40 10,000 100
RenShape 460 1,600 40 10,000 100

Cutters
Roughing: 1” Ball End mill, 4-Flute, Carbide
Finishing: 5/8” Ball End mill, 2-Flute, Carbide

Depth
Roughing: Varied from 1/4” to 2-1/2” deep with 40% stepover
Finishing: 1/8” deep leaving 0.002” scallop height

Please note: These machining parameters are starting points. Cutter type, material, spindle speed, feed rate, machine power, and rigidity all affect machining results. User must determine best parameters for specific applications.



Matched Adhesives

 
Notes
Adhesives
X
X
X
X
X
X
X
X
X
X
X
X
Low-density polyurethane with good bond strength
X
X
X
X
X
X
X
X
X
X
X
X
Economical 5-minute epoxy
X
X
X
X
X
X
X
X
X
X
X
X
Epoxy offering longer gel times with short light handling time
X
X
X
X
X
X
X
X
X
X
X
X
Low-viscosity epoxy laminating resin with excellent bond strength
X
X
X
X
X
X
X
X
X
X
X
X
Low-viscosity epoxy with flow control agents to prevent run-out
Repair Materials
X
X
X
X
X
X
X
X
X
X
X
X
Easy to machine polyester repair paste
 
 
Mix Ratio
by weight
Viscosity
(cps)
Gel Time
@ 77°F (min)
Light Handling
Time (hr)
Hardness
(Shore D)
Density
Service
Temp.
Color
Adhesives
1:1
1,500
6-8
4
68
0.9
132°F
Brown
1:1
10,000
5
0.5
85
1.11
200°F
Clear
1:1
14,000
15-20
4
80
1.15
200°F
Clear
100:26
2,000
20
24
90
1.13
128°F
Light yellow
100:26
2,100
20
10
68
1.08
128°F
Light yellow
Repair Materials
100:1.5
581,000
10
0.5
71
1.14
128°F
4 options