NEXFIX NX-525 Silicone Sealant is a high performance neutral cure silicone sealant designed for professional construction, glazing and general sealing applications. It provides strong adhesion on non porous surfaces while maintaining flexibility to accommodate normal joint movement.
The waterproof and weather resistant formulation makes NX-525 suitable for both interior and exterior applications. It provides a smooth finish and reliable sealing performance for construction, maintenance and glazing projects across the UAE.
Key Features
• Strong adhesion on non porous surfaces
• Flexible seal for joint movement
• Waterproof and weather resistant
• Smooth and clean application
• Suitable for interior and exterior use
• Long lasting sealing performance
Technical Specifications
| Property | Specification |
|---|---|
| Base Chemistry | Neutral Cure Silicone |
| Density | Approx. 1.02 g/cm³ |
| Skin Formation Time | 5 to 10 Minutes |
| Initial Cure | 1 to 2 Hours |
| Full Cure | Approx. 24 Hours |
| Movement Capability | ±25% |
| Shore A Hardness | 18 to 22 |
| Elongation at Break | >300% |
| Application Temperature | +5°C to +40°C |
| Service Temperature | −40°C to +120°C |
| Finish | Smooth & Flexible |
Actual curing time may vary depending on temperature, humidity and joint dimensions.
Suitable Applications
• Glass
• Aluminium
• Ceramic
• UPVC
• Wood
Common Uses
• Window and door frames
• Glazing applications
• Sanitary areas
• Expansion and connection joints
• General construction sealing
• Interior and exterior sealing
Application Method
- Ensure the surface is clean, dry and free from dust, oil and grease.
- Cut the nozzle according to the required joint size.
- Load the cartridge into a suitable sealant gun.
- Apply the sealant evenly into the joint.
- Tool immediately for a smooth and professional finish.
- Allow adequate curing before exposing the joint to water.
Packaging
Pack Size: 300 ML per cartridge
Pack Quantity: 24 Cartridges per Box
Packaging Type: Cartridge
Selling Unit: 1 Box = 24 Cartridges
Available Colours
White | Black | Grey | Beige | Brown | Clear
Storage & Shelf Life
• Shelf Life: 18 months from date of manufacture
• Store in a cool and dry place away from direct sunlight.
• Do not expose to temperatures above 50°C.
• Keep in original packaging until use.
Safety & Handling
• Use in a well ventilated area.
• Avoid prolonged skin contact.
• In case of eye contact, rinse immediately with water.
• Keep away from children and open flames.
• Refer to the MSDS for detailed safety information.
Recommended For
• Glazing contractors
• Aluminium and UPVC fabricators
• Interior fit out contractors
• Facility maintenance teams
• Construction and renovation professionals



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