Introduction
RPBHB Series Intumescent Pad for Flush Box is designed to be back-to-back installed into the fire resistant electrical flush boxes within compartment walls on one or both sides of the wall. It is made of high grade special expandable graphite raw material, will expand when exposed to fire and close up the flush box to prevent the flame and hot gasses spreading through the wall. It protects electrical wires and cables during fire and help to prevent electrical fire spreading.
Product Features
• Expansion Ratio 20-30times
• Black color and smooth surface
• Waterproof
• Apply to RoHS
• Easy to install
• The product is flat and takes up little space and can be placed at the bottom of a flush box.
RPB HB Series Intumescent Pad for Flush Box Size Chart and Principle
| RPBHB Series Intumescent Seal for flush box Dimension List | ||
|---|---|---|
| Thickness | Width | Length (or any length) |
| 8mm | 46mm | 48mm |
| 8mm | 32mm | 48mm |
| Other sizes can be customized | ||
Intallation Guide
1.Fix flush box to framing, the flush box should be fitted against the plasterboard.
2. Firmly insert RPBHB intumescent pads against back of flush box.
3. Finish installation of wiring and fix face plate.
