Heat reaction / heat-curing repair putty Belzona 1251 HA Metal

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basic information

□Surface Preparation: Remove rust from the corroded areas of the metal using blasting, grinding, etc., and roughen the surface. *While simple surface preparation is possible for adhesion, more thorough preparation is necessary to enhance adhesive strength as much as possible. □Degreasing and Cleaning: Remove moisture, oil, dirt, etc., using a cleaning agent. □Application: Since it is a one-component heat-curing resin, no mixing is required. First, apply it by rubbing onto the prepared surface, then perform a second coat. However, at high temperatures, the material tends to sag, so a thickness of up to 6mm on horizontal surfaces and 3mm on vertical surfaces is recommended. □Curing and Aging: To ensure sufficient curing, a substrate temperature of 70 to 150°C is required, but curing time varies with temperature. Additionally, if the operating temperature is below 70°C, post-curing (forced heating) is necessary. For details, please refer to the instruction manual or contact us. [Product Information] □Form: Paste "after mixing" □Color: Gray □Packaging: 1 kg "main agent, hardener set," 2 kg "main agent, hardener set" □Mixing Ratio (by weight): Main agent 5 : Hardener 1 □Curing Time: 20 hours at 25°C [Product Properties] □Adhesive Strength (Iron): 19.2 MPa □Heat Resistance: 200°C (dry) □Shelf Life (unopened): 5 years

Price information

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Price range

P2

Delivery Time

P2

Applications/Examples of results

- Filling of corrosion pits - Repair of the reduced thickness in the outer circumference of the heat piping - Sealing of pipe leaks - Other repairs of heat reactors, etc.