Divinycell F

diab

Divinycell F

Description

Divinycell F is a recyclable, prepreg compatible sandwich
core offering excellent Fire, Smoke and Toxicity (FST)
properties, good mechanicals and processing characteristics.


Application

It exceeds the US and European regulatory requirements for
commercial aircraft interiors.


Properties

Mechanical properties Divinycell F Grade

Properties and test procedures Unit F40 F50 F90
Density ASTM D 1621 kg/m³
40
50
90
lb/ft³
2.5
3.1
5.6
Compressive strength ASTM D 1621 MPa
0.35
0.60
1.20
psi
58
87
174
Compressive modulus1 ASTM D 1621-B-73 MPa
29
40
77
psi
4,214
5,812
11,188
Compressive modulus1 ASTM C 365 MPa
9
18
34
psi
1,305
2,610
4,930
Tensile Strength ASTM D 1623 MPa
1.5
1.9
2.8
psi
217.5
276
406
Shear Strength ASTM C 273 MPa
0.6
0.8
1.4
psi
87.2
116.2
203.4
Shear Modulus2 ASTM C 273 MPa
8.5
13.5
16.0
psi
1,232
1,958
2,320
Shear Strain ASTM C 273 %
80
80
80
Possion's ratio ASTM D 638  
0.32
0.32
0.35
Dielectric Constant ASTM D 2520-01 A 9.375 GHz
1.06
1.06
1.13
Loss Tangent ASTM D 2520-01 A 9.375 GHz
0.0011
0.0009
0.0022
1. DIAB is in process to convert to ASTM 365 standard when measuring compressive modulus, meanwhile both standards will be published.
2. DIAB is in progress to convert to measure shear modulus with extensometer.
 
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