Product Introduction
BECTRON® PT 4834 is a one-component, moisture-cured polyurethane thick film coating engineered for protective and mechanical applications on electronic assemblies. With a viscosity of 32,000 mPas and a Shore A hardness of 42, this coating balances flowability and mechanical strength, making it ideal for complex assemblies requiring targeted coverage. It cures to a flexible and durable finish that offers excellent adhesion to most substrates and maintains performance even under vibration and temperature cycling. PT 4834 dries to the touch in approximately 4 hours at room temperature and is free from solvents and VOCs, supporting environmentally conscious manufacturing.
BECTRON® PT 4834 Features
- Medium-high viscosity (32,000 mPas) for controlled, thixotropic application
- Single-component moisture-cure system, touch-dry in around 4 hours at 25 °C
- Shore A hardness of 42 providing a balance of flexibility and structural support
- Elastic behavior across a broad thermal range from -50 °C to +120 °C
- Resistant to solvents, dilute acids, and alkalis for chemical durability
- Strong substrate adhesion supporting repeated thermal cycling
- Solvent-free, zero VOC formulation for eco-friendly processing
- Consistent dielectric properties under long-term environmental stress
- Long-term operational reliability at temperatures up to 100 °C over 20,000 hours
BECTRON® PT 4834 Applications
- Conformal coating for printed circuit boards and hybrid electronics
- Ideal for selective or vertical surface coating on dense assemblies
- Used in automotive, industrial, and aerospace electronics requiring long-term protection
- Moisture and corrosion barrier for sensitive electronic components
- Mechanical reinforcement for vibration-prone installations
- Electrical insulation in harsh chemical and thermal environments
About Prostech
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:
- Provide quotation, sample, TDS/MSDS, and technical consultation
- Testing sample quality and verifying product compatibility in our laboratory
- Customizing material formulas for special applications
- Adapting product sizes, quantities, and packaging to meet specific needs
- Offering expert advice on suitable equipment and automation processes
- Delivering technical training and on-site support for optimal product use
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.
| Property | Value |
|---|---|
| Product Viscosity [mPas] | 32000 |
| Chemical Base | PUR |
| Max Temp. [°C/20.000 h] | 100 °C |
| Hardness [Shore] | 42 A |
| UV Cure | No |
| Touch dry [h @ +25 °C] | 4 |



