Fast-Curing Epoxy Resin STD8509
We are a manufacturer based in China. We specialize in providing high-quality Fast-Curing Epoxy Resin STD8509 for industrial clients across various sectors. Whether you need chemicals consultation or technical support, our team is here to help.
Category：Functional additives Own Brand：MT /MOQ:100KG /From China/ B2B only.
Introduction
Product Introduction
STD8509 consists of epoxy resin (Component A) and amine-based hardener (Component B), specifically formulated for fast-curing composite products. It exhibits excellent fiber adhesion properties.
Application Processes
- HP-RTM
- C-RTM
- WCM
Typical Physical Parameters (Uncured)
| Component | A | B |
|---|---|---|
| Appearance | Colorless to pale yellow liquid | Colorless to pale yellow liquid |
| Viscosity (25°C)/mPa·s | 1800-2300 | 5-20 |
| Density (g/cm³) | 1.10-1.20 | 0.90-1.00 |
| Mixed Viscosity (25°C)/mPa·s | 300-600 | 300-600 |
| Epoxy Equivalent | 160-190 | – |
| Amine Value (mgKOH/g) | – | 580-680 |
Curing Conditions & Process
| Component | A | B |
|---|---|---|
| Weight Ratio | 100 | 25 |
| Pot Life (100g,25°C) | 90-110min | 90-110min |
| Gel Time (110°C) | 4min±30s | 4min±30s |
Accurately proportion and thoroughly mix according to the specified ratio.
Cured Material Properties
| Property | Value |
|---|---|
| Tensile Strength (MPa) | 75-77 |
| Elongation at Break | 10%-13% |
| Flexural Strength (MPa) | 120-130 |
| Flexural Modulus (MPa) | 2900-3200 |
| Glass Transition Temp. (°C) | 101 |
| Post-Curing Density (g/cm³) | 1.165-1.175 |
| Impact Toughness (kJ/m²) | 64-74 |
*Data represents typical cured material properties, not product specifications. Curing regime: 2h at 25°C + 1h at 130°C.
Packaging Specifications
25Kg, 200Kg, 1000Kg
Storage Conditions & Shelf Life
- Store in a cool, dry, and clean environment.
- Seal immediately after use.
- Shelf life: 24 months in original packaging under proper storage conditions.
Personal Protection
| PPE | Impermeable protective gloves to avoid skin contact. |
| Respiratory Protection | No special requirements. |
| Eye Protection | Chemical splash goggles recommended. |
| Body Protection | Wear protective clothing, boots, and gloves. Provide eye wash stations and emergency showers. |
First Aid Measures
Skin Contact
- Wash thoroughly with soap and water for 5 minutes or until contaminants are removed.
Eye Contact
- Flush eyes with flowing water or saline solution for 20 minutes.
- Seek immediate medical attention.
Inhalation
- Move to fresh air.
- Seek medical help if symptoms occur.
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