Product Introduction
HumiSeal® 1C63 is our innovative dual-cure (UV/moisture) silicone coating offering unmatched processing flexibility for PCB protection.
HumiSeal® 1C63 Features:
- Dual curing: UV light (tack-free immediately) + moisture (24h RT)
- Self-leveling with excellent weathering resistance
- Non-corrosive and RoHS compliant
- UL recognized (E105698) with V-1 flammability rating
- Designed for microwave UV ovens with “H” style bulbs
Applications:
- Selective coating applications with shadow areas
- Applications requiring immediate tack-free surface
- Outdoor electronics needing weather resistance
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 | 1.04 +/- 0.06 g/cm³ |
| Viscosity, per Fed-Std-141, Meth. 4287 | 3500 ± 1500 centipoise |
| VOC | < 50 grams/liter |
| Room Temperature Skin Over time, 1/8″ thickness | 60 minutes |
| Recommended UV Cure* | See curing section below |
| Secondary Cure, for shadow areas | 24 hrs @ RT or 20 min @ 76°C |
| Time Required to Reach Optimum Properties, 1/8″ thickness | 7 days |
| Recommended Stripper | HumiSeal® Stripper 1090 |
| Shelf Life at Room Temperature, DOM | 6 months |
| Glass Transition Temperature – DSC | < -90°C |
| Tensile Strength, per ASTM D412 | 100 psi |
| Elongation, per ASTM D412 | 100% |
| Thermal Shock, 50 cycles per MIL-I-46058C | -65°C to 200°C |
| Volume Resistivity, per ASTM D257 | 7.97 x10¹⁴ ohm-cm |
| Surface Resistivity, per ASTM D257 | 6.26 x10¹⁷ ohms per square |
| Shore Hardness, A, per ASTM D2240 | 15 |
| Flammability, per UL94 | V-1 |
| Dielectric Withstand Voltage, per MIL-I-46058C | >1500 volts |
| Insulation Resistance, per MIL-I-46058C | 1.1 x 10¹² ohms (1.1 TΩ) |
| Moisture Insulation Resistance, per MIL-I-46058C | 1.1x 10¹⁰ ohms (11 GΩ) |
| Fungus Resistance, per ASTM G21 | Passes |
