Baltek® SB.100 End-Grain Balsa

Baltek® SB.100 End-Grain Balsa by 3A Composites (SKU: 3AC-SB100-34IN) provides an ASTM D638 Tensile Strength of 13.1 MPa (1,900 psi), ASTM D648 Heat Deflection Temperature (HDT) of 148.9 °C (300 °F), ASTM D790 Flexural Strength of 19 MPa, and Brookfield viscosity of 9 cPs.

Required companion cure and process materials for Baltek® SB.100 End-Grain Balsa include: Structural Core-Bonding Putty (0.55 kg/m² kerf fill), Marine Vinyl Ester or Infusion Epoxy Matrix, Vectorply 1708 E-Glass / Carbon Skin Plies. Category Engineering Rule: CORE BEDDING & RESIN UPTAKE: Grid-scored (GS) or grooved/perforated (GP) sheets require ~0.55 kg/m² extra resin for kerf/groove filling or a dedicated structural core-bonding putty.

Approved cross-referenced drop-in equivalents for Baltek® SB.100 End-Grain Balsa in the North American ASTM index include Carbon-Core® Balsa 100 / PET Foam 150. Direct head-to-head engineering comparisons are available against 3A Composites Baltek SB.100 Structural End-Grain Balsa Core, 3A Composites Airex T92.100 Structural PET Foam Core, Diab Divinycell HT90 Aerospace Prepreg Cure PVC Core.

Baltek® SB.100 End-Grain Balsa is classified under US DOT 49 CFR and Transport Canada TDG as Non-Hazmat Standard Freight (UN Number: N/A). It ships from regional US hubs in FL, TX, LA, MN with a typical lead time of 1-3 Days. When ordered with Class 5.2 Organic Peroxides (MEKP UN3105), 49 CFR § 177.848 hazmat segregation applies.

Baltek® SB.100 End-Grain Balsa is qualified for Vacuum Infusion (Grid-Scored / Grooved & Perforated), Vacuum Bag Core Bedding. Primary industrial applications include FSC-certified ultra-high shear and compressive sandwich core, Balsa Core.