Den Braven Hybriflex 540 Hybrid Polymer | Black, 300ml:
Den Braven Hybriflex 540 Hybrid Polymer | Black, 300ml:
R119.00
Den Braven Hybriflex 540 is a versatile black hybrid polymer sealant designed for durable, flexible sealing in construction and industrial environments. Its low-modulus, neutral-curing formula bonds to a wide range of surfaces and offers excellent paintability with water-based and most two-component paints. Ideal for indoor and outdoor use where movement and adhesion meet.
Den Braven Hybriflex 540 Hybrid Polymer | Black, 300ml Details:
- Colour: Black
- Size: 300ml
- Base: Hybrid polymer formulation
- Modulus: Low modulus for high elasticity and flexibility
- Curing Method: Neutral curing—low odor and non-corrosive • Paintable: Yes (compatible with water-based and most two-component paints)
- Application Use: General construction, façade joints, expansion joints, and more
- Indoor/Outdoor Suitability: Suitable for interior and exterior use
What’s In The Box?
1 x Den Braven Hybriflex 540 Hybrid Polymer Sealant (Black, 300ml)
SKU: D16142
Sealant Overview
Specially developed for elastic sealing in dynamic joints, this hybrid polymer sealant combines the strength of polyurethane with the environmental performance of silicone. It adheres excellently to materials including concrete, metal, wood, and plastics—without primer on most substrates.
Sealant Benefits and Features
- High Adhesion: Excellent primerless bonding on most building materials
- Permanently Flexible: Accommodates joint movement while maintaining seal integrity
- Neutral Cure System: Suitable for sensitive substrates with no corrosive by-products
- Paintable Surface: Compatible with decorative and protective coatings
- All-Weather Performance: UV-, weather-, and moisture-resistant

Steps to Follow for Using the Sealant
Preparation:
- Ensure surfaces are clean, dry, and free from grease or dust
- Use acetone or suitable solvents for degreasing metal or glass
- Apply masking tape to achieve clean, straight seal lines
How to Apply the Sealant:
- Cut cartridge nozzle to desired bead width and apply using a sealant gun
- Smooth the bead within 10–15 minutes of application
- Remove masking tape before skin formation begins
Cleanup:
- Wipe excess sealant immediately with a suitable solvent
- Allow full curing before applying paint
- Store unopened cartridge in a dry, cool location
A Few Scenarios Where the Sealant Can Be Used:
- Expansion joints in concrete and brickwork
- Sealing between metal window frames and masonry
- Waterproofing perimeter joints around façade panels
- Vibration-resistant sealing in HVAC and duct systems
- Bonding construction panels or cladding elements
Other Construction Products You May Need
Health and Safety
Always wear gloves and ensure adequate ventilation when applying. Do not apply on polyethylene, polypropylene, or bituminous substrates without testing. Avoid contact with eyes. Keep out of reach of children.
Want to find out more about this product? Click here to find out
Additional information
| Weight | 0.451 kg |
|---|---|
| Dimensions | 5 × 8 × 23 cm |












Reviews
There are no reviews yet.