3A Composites Baltek SB.100 Structural End-Grain Balsa Core
3A Composites Baltek SB.100 Structural End-Grain Balsa Core by 3A Composites is a verified Structural Sandwich Core with ASTM D638 Tensile 13.5 MPa, ASTM D648 HDT 160 °C, and US DOT Non-Regulated Solid Polymer (N/A).
Normalized ASTM Technical Parameters (SI & US Imperial)
pgvector HNSW Indexed| ASTM D638 Tensile Strength | 13.5 MPa (1,958 psi) |
| ASTM D648 Heat Deflection Temp (HDT) | 160 °C (320 °F) |
| ASTM D790 Flexural Strength | 16 MPa |
| ASTM D2583 Barcol Hardness | N/A |
| ASTM D2196 Brookfield Viscosity @ 25°C | N/A |
| ASTM D792 Specific Density | 155 kg/m³ |
| US DOT 49 CFR & Canada TDG Hazmat Class | Non-Regulated Solid Polymer • UN: N/A |
| Unit Price & B2B Pack Configuration | $21/kg • $1,008 per Crate of 10 Grooved & Perforated Sheets |
Compare 3A Composites Baltek SB.100 Structural End-Grain Balsa Core vs. Drop-In Equivalents
Published TDS Drop-In Equivalents: Diab Divinycell H80, Gurit Corecell M80. Select any verified peer below for a complete side-by-side ASTM D638/D648 delta, cure stoichiometry, and US DOT 49 CFR comparison:
Required Companion Cure Stack, Processes & Applications
Category Hub: Structural Sandwich Cores (PVC, SAN, PET Foam & End-Grain Balsa) →Mandatory Companion Materials:
Compatible Fabrication Processes:
Primary Marine, Aerospace & Industrial Applications:
Engineering FAQ: 3A Composites Baltek SB.100 Structural End-Grain Balsa Core (ASTM & Cure Specification)
1. What are the ASTM D638 Tensile Strength and ASTM D648 HDT specifications of 3A Composites Baltek SB.100 Structural End-Grain Balsa Core?▼
3A Composites Baltek SB.100 Structural End-Grain Balsa Core by 3A Composites (SKU: 3AC-BAL-SB100) provides an ASTM D638 Tensile Strength of 13.5 MPa (1,958 psi), ASTM D648 Heat Deflection Temperature (HDT) of 160 °C (320 °F), ASTM D790 Flexural Strength of 16 MPa, and Brookfield viscosity of solid reinforcement/core state.
2. What catalyst or hardener and mix ratio are required for 3A Composites Baltek SB.100 Structural End-Grain Balsa Core?▼
Required companion cure and process materials for 3A Composites Baltek SB.100 Structural End-Grain Balsa Core 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.
3. What are the verified US drop-in equivalents for 3A Composites Baltek SB.100 Structural End-Grain Balsa Core?▼
Approved cross-referenced drop-in equivalents for 3A Composites Baltek SB.100 Structural End-Grain Balsa Core in the North American ASTM index include Diab Divinycell H80, Gurit Corecell M80. Direct head-to-head engineering comparisons are available against Divinycell® H80 Structural PVC Foam, Corecell™ M80 Marine SAN Foam Core, Baltek® SB.100 End-Grain Balsa.
4. What is the US DOT 49 CFR and Transport Canada TDG Hazmat classification for 3A Composites Baltek SB.100 Structural End-Grain Balsa Core?▼
3A Composites Baltek SB.100 Structural End-Grain Balsa Core is classified under US DOT 49 CFR and Transport Canada TDG as Non-Regulated Solid Polymer (UN Number: N/A). It ships from regional US hubs in DeSoto, TX, Statesville, NC, Tampa, FL 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.
5. Which composite molding methods (Vacuum Infusion, Hand Layup, RTM) suit 3A Composites Baltek SB.100 Structural End-Grain Balsa Core?▼
3A Composites Baltek SB.100 Structural End-Grain Balsa Core is qualified for Vacuum Infusion (Grid-Scored / Grooved & Perforated), Vacuum Bag Core Bedding. Primary industrial applications include Slamming Hull Bottom Panels, Cored Decks & Bulkheads, Outboard Transom Cores.
Structural Sandwich Cores (PVC, SAN, PET Foam & End-Grain Balsa) (CAT-CORE-SW)
Closed-cell cross-linked PVC, high-elongation SAN polymer foams, recyclable PET cores, and kiln-dried end-grain balsa engineered to maximize flexural stiffness-to-weight ratio.
Explore All CAT-CORE-SW Materials →Authorized US Distributors Stocking This SKU
CompositeMatrix ASTM Index (2026). "3A Composites Baltek SB.100 Structural End-Grain Balsa Core (3AC-BAL-SB100) Normalized Technical Datasheet." Retrieved from https://compositematrix.com/materials/3a-composites-baltek-sb-100-structural-end-grain-balsa-core