The fireproof block is a pre-formed, foamable and intumescent flame-retardant block product. It is a ready-to-use fireproof, anti-condensation and flame-retardant block that intumesces when exposed to fire. Easy to install, it is suitable for sealing large holes. It can expand by more than 3 times in a fire space, effectively sealing medium and large openings in walls and floors, and preventing the penetration of smoke, toxic gases and flames during combustion.
Contact usThe fireproof block is a pre-formed, foamable and intumescent flame-retardant block product. It is a ready-to-use fireproof, anti-condensation and flame-retardant block that intumesces when exposed to fire. Easy to install, it is suitable for sealing large holes. It can expand by more than 3 times in a fire space, effectively sealing medium and large openings in walls and floors and preventing the penetration of smoke, toxic gases and flames during combustion. The sealing effect is better when used with the company's fireproof foam adhesive. Anyi Ceramic Matrix's fireproof block is benchmarked against internationally renowned products and has passed third-party fire protection certification and smoke toxicity testing.
Core Advantages
01.Pre-formed:Color/size can be customized according to customer requirements
02.Ready-to-use:Easy to install, suitable for sealing large holes in walls/floors
03.Intumescent fire protection:Expands by more than 3 times when exposed to fire; fireproof, anti-condensation and flame-retardant
04.Non-toxic and eco-friendly:Prevents penetration of smoke, toxic gases and flames during combustion
05.Complete certifications:Passed third-party fire protection certification and smoke toxicity testing
Technical Parameters
| Product Name | BBS Anti-Condensation Fireproof Block | Model | AUWIN SP Block |
| Color | Grayish Black | Density | 350–380 kg/m³ |
| Oxygen Index | 36–48 | Size | 600×400×20 mm |
| Vertical Burning Performance | FV-0 | Breakdown Voltage | 19KV |
| Expansion Performance | >300% | Smoke Generation Toxicity (Grade) | ZA3 |
Note: The data herein are average test results under standard procedures, which may deviate from the actual product data. The results shall not be regarded as product specifications.
Performance Advantages

Typical Applications

Construction Guidelines
