Interplastic Silmar SIL95BA-41 Crystal Clear Surfboard Polyester
Interplastic Silmar SIL95BA-41 Crystal Clear Surfboard Polyester by Interplastic Corp is a verified Isophthalic Polyester with ASTM D638 Tensile 66 MPa, ASTM D648 HDT 75 °C, and US DOT Class 3 Flammable Liquid (UN1866).
Normalized ASTM Technical Parameters (SI & US Imperial)
pgvector HNSW Indexed| ASTM D638 Tensile Strength | 66 MPa (9,573 psi) |
| ASTM D648 Heat Deflection Temp (HDT) | 75 °C (167 °F) |
| ASTM D790 Flexural Strength | 114 MPa |
| ASTM D2583 Barcol Hardness | 40 |
| ASTM D2196 Brookfield Viscosity @ 25°C | 460 cPs |
| ASTM D792 Specific Density | 1115 kg/m³ |
| US DOT 49 CFR & Canada TDG Hazmat Class | Class 3 Flammable Liquid • UN: UN1866 |
| Unit Price & B2B Pack Configuration | $7.8/kg • $1,755 per 225 kg Steel Drum |
Compare Interplastic Silmar SIL95BA-41 Crystal Clear Surfboard Polyester vs. Drop-In Equivalents
Published TDS Drop-In Equivalents: Interplastic CoREZYN COR75-AQ-010, Polynt Polylite 33750-10. 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: Isophthalic & DCPD Marine Polyester Resins →Mandatory Companion Materials:
Compatible Fabrication Processes:
Primary Marine, Aerospace & Industrial Applications:
Engineering FAQ: Interplastic Silmar SIL95BA-41 Crystal Clear Surfboard Polyester (ASTM & Cure Specification)
1. What are the ASTM D638 Tensile Strength and ASTM D648 HDT specifications of Interplastic Silmar SIL95BA-41 Crystal Clear Surfboard Polyester?▼
Interplastic Silmar SIL95BA-41 Crystal Clear Surfboard Polyester by Interplastic Corp (SKU: IPC-SIL95BA) provides an ASTM D638 Tensile Strength of 66 MPa (9,573 psi), ASTM D648 Heat Deflection Temperature (HDT) of 75 °C (167 °F), ASTM D790 Flexural Strength of 114 MPa, and Brookfield viscosity of 460 cPs.
2. What catalyst or hardener and mix ratio are required for Interplastic Silmar SIL95BA-41 Crystal Clear Surfboard Polyester?▼
Required companion cure and process materials for Interplastic Silmar SIL95BA-41 Crystal Clear Surfboard Polyester include: MEKP 9% Active Oxygen Catalyst (1.25%–2.0%), Marine ISO/NPG Gelcoat, 1.5 oz Chopped Strand Mat & 1708 Biaxial E-Glass. Category Engineering Rule: Catalyze with 1.25%–2.0% MEKP (UN3105) at 25°C shop ambient temperature. Compatible with styrene monomer Wax Solution (Mod C) for topcoat air-dry cure.
3. What are the verified US drop-in equivalents for Interplastic Silmar SIL95BA-41 Crystal Clear Surfboard Polyester?▼
Approved cross-referenced drop-in equivalents for Interplastic Silmar SIL95BA-41 Crystal Clear Surfboard Polyester in the North American ASTM index include Interplastic CoREZYN COR75-AQ-010, Polynt Polylite 33750-10. Direct head-to-head engineering comparisons are available against Interplastic CoREZYN COR75-AQ-010 Lloyd's Marine Iso Polyester, Polynt Polylite 33750-10 Isophthalic Structural Laminating Resin, Polynt Stypol 040-8086 Low-Profile DCPD Marine Polyester.
4. What is the US DOT 49 CFR and Transport Canada TDG Hazmat classification for Interplastic Silmar SIL95BA-41 Crystal Clear Surfboard Polyester?▼
Interplastic Silmar SIL95BA-41 Crystal Clear Surfboard Polyester is classified under US DOT 49 CFR and Transport Canada TDG as Class 3 Flammable Liquid (UN Number: UN1866). It ships from regional US hubs in Lakeland, FL, Houston, TX, Minneapolis, 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.
5. Which composite molding methods (Vacuum Infusion, Hand Layup, RTM) suit Interplastic Silmar SIL95BA-41 Crystal Clear Surfboard Polyester?▼
Interplastic Silmar SIL95BA-41 Crystal Clear Surfboard Polyester is qualified for Open-Mold Spray-Up, Hand Layup, Closed-Mold Deck Infusion. Primary industrial applications include Marine Stringer Grids, Console & Deck Molds, RV Exterior Panels.
Isophthalic & DCPD Marine Polyester Resins (CAT-RES-UPR)
High-volume structural Isophthalic and low-print DCPD unsaturated polyester resins for production boatbuilding, decks, superstructures, and industrial fiberglass molding.
Explore All CAT-RES-UPR Materials →Authorized US Distributors Stocking This SKU
CompositeMatrix ASTM Index (2026). "Interplastic Silmar SIL95BA-41 Crystal Clear Surfboard Polyester (IPC-SIL95BA) Normalized Technical Datasheet." Retrieved from https://compositematrix.com/materials/interplastic-silmar-sil95ba-41-crystal-clear-surfboard-polyester