High Temp Silicone Sealant 1500C Stove Fireplace Flue Chimney Repair Dark Grey
Apply only to static, non-moving joints and allow a slow post-cure heat-up to +250C in service.
High temperature 1500C stove and flue sealant, 310ml cartridge, silicate-based, vitrifies under heat.
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Rated to 1500°C (2732°F)
Maximum service temperature - engineered for solid-fuel stove and flue joints where ordinary silicone sealants fail.
Silicate-Based Formula
Vitrifies under heat into a rigid, ceramic-like mass rather than degrading like a standard heat-resistant silicone.
Permanent, Smoke-Tight Seal
Resists carbon monoxide and flue-gas leakage at static, non-moving joints.
Thixotropic (Non-Slump) Paste
Holds its shape when tooled into vertical or overhead joints.
310ml Cartridge
Compatible with any standard sealant/caulking gun. Net weight 724g.
Colour Change on Cure
Black to dark grey, becomes extra-hard once heat-cured up to +250°C in service.
Wide Material Bonding
Cast iron, mild steel, stainless steel, firebrick, concrete, stone and clay.
Technical Specification
| Maximum Service Temperature | 1500°C (2732°F) |
| Cartridge Size | 310ml (10.5fl oz) |
| Net Weight | 724g (1.6lb) |
| Colour As Supplied | Black |
| Colour After Heat-Treatment | Dark Grey, Extra-Hard |
| Cure Type | Rigid, Vitrifying |
| Recommended Post-Cure Heat-Up | Slowly to +250°C |
| Joint Type | Static (Non-Moving) Only |
| Application Temperature | +5°C to +35°C Ambient |