test report of vulcanized fiber sheet and vulcanized fiber roll test report :
VULCANIZED FIBRE INDEX DATA
The information below is believed to be accurate and reliable. Youngman co.assumes no responsibility for end-use applications and no performance warranty is expressed or implied. Values shown are typical, are not guaranteed, nor to be used for specifications without approval.
| Properties |
Thickness (inches) |
Units |
Commercial |
Bone |
Electrical |
| Density |
.062″ |
grams/cm3 |
1.20 |
1.30 |
1.20 |
| Specific Volume |
.062″ |
in3/lb |
23.0 |
21.0 |
23.0 |
|
Mechanical
|
| Tensile Strength |
MD |
.062″ |
psi |
16,000 |
19,000 |
18,000 |
| CD |
.062″ |
psi |
9,000 |
9,500 |
10,000 |
| Modulus of Elasticity in Tension |
MD |
.062″ |
psi x 105 |
12.0 |
12.0 |
12.0 |
| CD |
.062″ |
psi x 105 |
8.0 |
8.0 |
8.0 |
| Flexural Strength |
MD |
.062″ |
psi |
15,000 |
15,000 |
15,000 |
| CD |
.062″ |
psi |
13,000 |
13,000 |
13,000 |
| Compressive Strength |
.062″ |
psi |
35,000 |
35,000 |
35,000 |
| Impact Strength, Izod Edgewise |
MD |
.062″ |
ft-lbs/in. notch |
2.0 |
1.4 |
2.5 |
| CD |
.062″ |
ft-lbs/in. notch |
1.8 |
1.0 |
2.0 |
| Hardness, Rockwell R Scale |
.062″ |
Divisions |
80 |
100 |
70 |
| Bond Strength, |
.062″ |
psi |
900 |
1,500 |
900 |
| Bursting Strength, Mullen |
.016″ |
psi |
– |
– |
325 |
| Tear Strength, Elmendorf |
MD |
.016″ |
grams |
– |
– |
550 |
| CD |
.016″ |
grams |
– |
– |
700 |
|
Electrical
|
| Dielectric Strength, Short Time |
.016″ |
volts/mil |
230 |
– |
300 |
| .062″ |
volts/mil |
200 |
200 |
215 |
| .125″ |
volts/mil |
195 |
200 |
200 |
| Arc Resistance |
.062″ |
seconds |
80 |
100 |
125 |
|
Physical
|
| Thermal Conductivity, 149° F |
Btu/hr/ft2//ft. |
.168 |
.168 |
.168 |
| Specific Heat |
Btu/lb/ |
.403 |
.403 |
.403 |
| Heat Resistance, Continuous |
|
230 – 240 |
230 – 240 |
230 – 240 |
| Thermal Expansion x 10-5 |
MD |
|
in/in/ |
1.1 |
1.1 |
1.1 |
| CD |
|
in/in/ |
1.7 |
1.7 |
1.7 |
| Dimensional Change per % change in Moisture Content |
Thick. |
|
% |
1.00 |
1.00 |
1.00 |
| MD |
|
% |
0.10 |
0.10 |
0.10 |
| CD |
|
% |
0.25 |
0.25 |
0.25 |
| Water Absorption, 24 hours |
.062″ |
% |
66.0 |
55.0 |
63.0 |
Coefficient of Friction, Fibre
on Fibre |
0.16 |
0.16 |
0.16 |
| Coefficient of Friction, Fibre on Smooth Cast Iron |
0.21 |
0.21 |
0.21 |
| Flammability, |
.062″ |
in/mm |
0.5 |
0.5 |
0.5 |
|
