Rayburn Isofrax Pumpable 120 Sealant 600Ml R6410

Rayburn Isofrax Pumpable 120 Sealant 600Ml R6410

Rayburn Isofrax Pumpable 120 Sealant – 600ml | Part No: R6410
High-Temperature Sealant for Rayburn Cookers and Boilers – OEM Part R6410

The Rayburn Isofrax Pumpable 120 Sealant (600ml) – part number R6410 – is a high-performance, pumpable insulation and sealing compound designed specifically for use in Rayburn solid fuel and oil-fired cookers. Formulated to withstand high temperatures, this sealant is ideal for sealing joints, gaskets, and combustion chamber areas, helping maintain thermal efficiency and combustion integrity.

Whether you’re carrying out a service, repair, or refurbishment, the R6410 Isofrax sealant ensures your appliance is sealed against air ingress and flue gas leakage, protecting internal components and ensuring safe operation.

Key Features:

• Genuine Rayburn sealant – Part number: R6410

• High-temperature formula – Suitable for combustion chamber applications

• Designed for use on Rayburn cookers, boilers, and flue joints

• Pumpable texture – ideal for precise application in hard-to-reach areas

• Maintains a tight seal to improve combustion efficiency and safety

• Supplied in a 600ml cartridge – convenient for professionals and DIY use

Compatible Models:

• Suitable for a wide range of Rayburn models, including:

  • 400 Series

  • 480K / 499K

  • MX and Nouvelle models

Contact us with your model or serial number if unsure about compatibility.

When to Use:

• During routine maintenance or burner rebuilds

• To reseal combustion chamber joints or insulation boards

• If existing seals show signs of cracking, flaking, or carbon leakage

• After replacing ceramic or refractory insulation panels

Technical Specifications:

• Product Name: Isofrax Pumpable 120

• Volume: 600ml

• Temperature Resistance: Up to 1200°C

• Application Method: Pump or caulking gun (compatible cartridge)

• Colour: Off-white

• Curing Time: Heat-curing during first operation cycle