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BORON FIBER PROPERTIES



Property Units 4-mil Boron (Typ.) 5.6-mil Boron (Typ.) 3-mil Boron (Typ.)
Diameter um 102 142 76
in.x10ˉ³ 4 5.6 3
Cross-Section -----------------------------------------Round----------------------------------------------------
Aspect Ratio --------------------------------------Continuous------------------------------------------------
Density g/cc 2.61 2.48 2.82
lbs/in³ 0.094 0.089 0.102
Thermal Expansion PPM/°C 4.5 4.5 4.5
PPM/°F 2.5 2.5 2.5
Tensile Strength MPa (min.) 3,600 4,000 -
ksi (min.) 520 580 -
Tensile Modulus GPa 400 400 -
msi 58 58 -
Compression Strength (est.*) MPa >6000 - -
ksi >900 - -
Hardness Knoop 3,200 3,200 3,200
*Filament compression strength calculated from composite lamina property and back-out factor.

Boron Fiber

Boron Prepreg Tape
Prepreg Properties
Hy-Bor® Prepreg Tape
Hy-Bor® Prepreg Tape Properties
Hy-Bor® Properties vs Standard Preforms
Boron Compression Strength Analysis
Hy-Bor® Fiber Count and Compression Strength
Compression Strength After Impact for Hy-Bor®
Unidirectional Dry Woven Boron
Boron Fiber Neutron Shielding Properties
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SPECIALTY MATERIALS, INC.
1449 Middlesex Street Lowell, Massachusetts 01851
Phone: 978-322-1900 • Fax: 978-322-1970
Email:info@specmaterials.com