Product Description
The HumiSeal® 1A68 Urethane Conformal Coating is a single-component polyurethane coating designed for general printed circuit board (PCB) applications. This coating contains no free isocyanates, ensuring safer application while providing strong environmental protection. It fluoresces under UV light for easy inspection and meets IPC-CC-830 and RoHS Directive 2002/95/EC compliance standards, as well as UL recognition under File Number E105698.
Features of HumiSeal® 1A68 Urethane Conformal Coating
- Providing durable protection for PCB applications.
- Containing no free isocyanates, making it a safer urethane coating.
- Fluorescing under UV light for easy quality inspection.
- Meeting IPC-CC-830 and RoHS Directive 2002/95/EC compliance.
- Being recognized under UL File Number E105698 for industry reliability.
Applications of HumiSeal® 1A68 Urethane Conformal Coating
- Printed Circuit Board (PCB) Protection: Ensuring long-term durability against environmental factors.
- General Electronics & Industrial Applications: Providing moisture and chemical resistance.
- Quality Inspection & Compliance: Used in industries requiring UL and RoHS compliance.
- Selective Coating Processes: Compatible with various PCB manufacturing techniques.
Prostech offers specialty materials (adhesives, tapes, thermal interface materials, insulating materials, sealants, PCB protection materials, …) along with manufacturing solutions. We proudly serve a wide range of industries and are an authorized distributor for leading global manufacturers of industrial materials and equipment. Our product range is designed to deliver customized solutions that address each customer’s unique needs. With years of experience and a successful project history, we are confident in our ability to provide comprehensive material solutions. These solutions effectively tackle the challenges manufacturers face. To explore our full product catalog, simply click here. Our dedicated team is ready to assist with: Moreover, Prostech ensures the safe and accurate global delivery of all materials, including “dangerous goods”, in compliance with legal regulations. For personalized technical support or to receive a quotation, please contact us today.About Prostech
| Property | Value |
|---|---|
| Density (per ASTM D1475, g/cm³) | 0.95 ± 0.02 |
| Solids Content (% by weight, per Fed-Std-141, Meth. 4044) | 44 ± 2% |
| Viscosity (CPS, per Fed-Std-141, Meth. 4287) | 180 ± 20 |
| VOC (grams/litre) | 521 |
| Recommended Coating Thickness (microns) | 25 – 75 |
| Drying Time to Handle (per Fed-Std-141, Meth. 4061) | 15 minutes |
| Optional Curing Conditions to Reach Optimum Properties | 30 days at RT, 30 hours @ 76°C, 20 hours @ 88°C |
| Recommended Thinner (dipping, brushing) | HumiSeal® Thinner 503 |
| Recommended Thinner (spraying) | HumiSeal® Thinner 521 |
| Recommended Stripper | HumiSeal® Stripper 1063 |
| Shelf Life at Room Temperature (DOM) | 24 months |
| Thermal Shock (50 cycles per MIL-I-46058C) | -65°C to 125°C |
| Coefficient of Thermal Expansion (TMA) | 193 ppm/°C |
| Glass Transition Temperature (Tg – DSC) | 26°C |
| Modulus (DMA) | 27.2 MPa |
| Flammability (per UL 94) | V-0 |
| Dielectric Withstand Voltage (per MIL-I-46058C) | >1500 volts |
| Dielectric Breakdown Voltage (per ASTM D149) | 7500 volts |
| Dielectric Constant (1MHz, 25°C, ASTM D150-98) | 3.6 |
| Dissipation Factor (1MHz, 25°C, ASTM D150-98) | 0.03 |
| Insulation Resistance (per MIL-I-46058C) | 2.0 × 10¹⁴ ohms (200TΩ) |
| Moisture Insulation Resistance (per MIL-I-46058C) | 1.6 × 10¹⁰ ohms (16GΩ) |
| CTI (UL746E @ 600 volts) | 0 PLC |
| Fungus Resistance (per ASTM G21) | Passes |
