Product Introduction
VYLOSHOT® GM-960-RK40 is a black, high-performance low-pressure molding material developed for electronic encapsulation applications where exceptional adhesion and insulation are paramount. This material stands out for its outstanding bonding capabilities, delivering extremely high peel and shear strengths on a variety of substrates including FR-4, PBT, and 6,6 Nylon. Its very high volume resistivity ensures superior electrical insulation. Combined with the benefits of a low-pressure process that protects delicate components, VYLOSHOT® GM-960-RK40 offers an advanced solution for creating durable, highly reliable, and miniaturized electronic assemblies in demanding environments.
VYLOSHOT® GM-960-RK40 Features
- Uses a gentle, low-pressure molding process to protect sensitive components.
- Allows for product miniaturization and fast in-line processing with compact equipment.
- Demonstrates exceptional adhesion with peel strengths over 160 N/25mm on FR-4 and 140 N/25mm on PBT.
- Shows high shear strength on multiple substrates, including 3.6 MPa on PBT and 6,6 Nylon.
- Features excellent flexibility with a tensile elongation of 520%.
- Provides superior electrical insulation with a volume resistivity exceeding 1.0 × 1015 Ω·cm.
- Has a low equilibrium moisture content of 0.2% for enhanced stability.
VYLOSHOT® GM-960-RK40 Applications
- Used for encapsulating sensors such as seat belt, tire pressure, gas emission, door, weight, torque, and speed sensors.
- Provides protection for Electronic Control Units (ECUs), including power window controls.
- Ideal for EV/PHV plug-in charging devices, camera modules, and wire harness assemblies.
About Prostech
Prostech Philippines is a one-stop solution provider for specialty materials and equipment across electronics manufacturing, from PCBA to final assembly. Our core material and equipment solutions include:
- PCB Assembly Materials
- Cleaning & Degreaser
- Circuit Board Protection
- Thermal Management Solutions
- EMI Shielding
- General Assembly Adhesives
- Elastomeric Materials
- Process Equipment: Potting & Coating Systems, UV/ Heat Curing, Plasma Treatment, Tape placement automation, and cleaning machines
Technical Added Value to customer
Prostech offers customized material and process equipment solutions with engineering support throughout R&D, production process optimization, and performance validation. Our in-house lab located in Alabang, Muntinlupa is equipped to conduct electronics material testing, application simulation, and adhesive validation, helping customers reduce the need for onsite trials and accelerate implementation.
International Supply Chain Advantage
Regional warehouse hubs across Vietnam, Singapore, Malaysia, and the Philippines ensure cross-border reliable supply. In Philippines PEZA-bonded warehouse located at Lima Industrial Park, Batangas enables Prostech to provide responsive, demand-based delivery and significantly shortens standard lead time for Philippines customers.
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| Property | Value |
|---|---|
| Color | Black |
| Specific gravity | 1.04 |
| Melting point | 160℃ |
| Glass transition temp. | -65℃ |
| Melt viscosity (220°C) | 300dPa·s |
| Equilibrium moisture content | 0.2% |
| Hardness (Shore A) | 86 |
| Tensile strength | 4MPa |
| Tensile elongation | 520% |
| Tensile modulus | 31MPa |
| Volume resistivity (20°C) | >1.0E+15Ω·cm |
| FR-4 (No-resist) | 3.2MPa |
| PBT (GF30%) | 3.6MPa |
| 6,6 Nylon (GF30%) | 3.6MPa |
| FR-4 (No-resist) | >160N/25mm |
| PBT (GF30%) | >140N/25mm |



