Rigid High Temperature Plastic Foam Sheet Stock
ECCOSTOCK
®
SH
•
Material Characteristics
•
•
•
•
•
•
•
Rigid polyurethane foam, which remains rigid and
withstands high temperatures
Continuous Service Temperature: -94°F to 275°F
(-70°C to 135°C).
Short Time Service Temperature: 325°F (163°C)
Typical thermal conductivities of ECCOSTOCK
®
SH are
seen around 0.14 (BTU)(in)/(ft
2
)(hr)(°F), 0.03 Watts/
(meter)(°C)
Unlike most polyurethanes, ECCOSTOCK
®
SH has an
extremely low dissipation factor and low dielectric
constant
Closed cell foam, pink in color, easily machined
Does not support fungal growth per MIL-STD-810E
Shipping & Availability
•
•
ECCOSTOCK
®
SH is supplied in standard sheets 12”
x 24” (30.5cm x 61cm) in thicknesses of 1”, 2”, 3”, 4”
& 6” (2.5cm, 5cm, 7.6cm, 10cm & 15cm)
ECCOSTOCK
®
SH is available in bulk densities of 2, 4,
6, 8, 10, 12, & 14 lbs/ft
3
(0.03, 0.06, 0.10, 0.13,
0.16, 0.19 & 0.22 g/cc)
ECCOSTOCK
®
SH available in other thicknesses,
sizes, and customer specified shapes upon request
Instructions for Use
•
•
Applications
•
ECCOSTOCK
®
SH is primarily used as a high-
temperature structural member or thermal barrier in
electrical/electronic applications.
•
ECCOSTOCK
®
SH at densities less than 3 lbs/ft
3
(0.05
g/cc) may warp at temperatures above 200°F (93°C)
Unicellularity:
Not interconnected above 6 lbs/ft
3
(0.10 g/cc). However, below this density there is a
significant percentage of cells connected.
ECCOSTOCK
®
SH can be bonded or sealed using an
unfilled epoxy system, ECCOBOND
®
45 Clear.
Related E&C Products
•
ECCOSTOCK
®
FPH: High temperature foam-in-place
casting resin with available bulk density depending on
catalyst and mold design. When cured, it has identical
properties to our ECCOSTOCK
®
SH of the same bulk
density.
(ECCOSTOCK
®
SH is produced from
ECCOSTOCK
®
FPH
under
precisely
controlled
laboratory conditions)
Typical Properties
Bulk Density, lbs/ft
3
(g/cc)
Dielectric Constant (1 MHz)
Dissipation Factor (1 MHz)
Dielectric Strength, volts/mil (Kv/mm)
Compressive Strength, psi (kg/cm
2
)
Flexural Strength at 5% strain, psi (Kg/cm
2
)
Flexural Modulus, psi (kg/cm
2
)
Tensile Strength, psi (kg/cm
2
)
Shear Strength, psi (kg/cm
2
)
Coefficient of Thermal Expansion per °C
Water Absorption, % of gain in 24 hours
2 (0.03)
1.04
0.001
40 (1.58)
30 (2.1)
25 (1.8)
500 (35.2)
40 (2.8)
35 (2.5)
25 x 10
-6
3
8 (0.13)
1.12
0.002
40 (1.58)
250 (17.6)
225 (15.8)
7,000 (493)
200 (14.1)
140 (9.9)
40 x 10
-6
1.5
14 (0.22)
1.25
0.005
40 (1.58)
600 (42.3)
800 (56.0)
20,000 (1408)
450 (31.7)
300 (21.1)
50 x 10
-6
1
EMERSON & CUMING MICROWAVE PRODUCTS, INC., 28 York Avenue, Randolph, MA 02368 / Telephone (781) 961-9600. Use of Information and Material: Values shown are based on testing of laboratory test specimens and represent data that
falls within normal range of the material. These values are not intended for use in establishing maximum, minimum or ranges of values for specification purposes. Any determination of the suitability of the material for any purpose
contemplated by the user and the manner of such use is the responsibility of the user. The user should determine that the material meets the needs of the user's product and use. We hope that the information given here will be helpful. It is
based on data and knowledge considered to be true and accurate and is offered for the user's consideration, investigation and verification but we do not warrant the results to be obtained. Please read all statements, recommendations or
suggestions in conjunction with our conditions of sale INCLUDING THOSE LIMITING WARRANTIES AND REMEDIES, which apply to all goods supplied by us. We assume no responsibility for the use of these statements, recommendations or
suggestions nor do we intend them as a recommendation for any use, which would infringe any patent or copyright. Emerson & Cuming Microwave Products Inc.
Revision: 5/11/07
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