| Customization: | Available |
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| CAS No.: | Other |
| Formula: | Other |
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**HW-999 Fire-retardant silicone sealant**
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**Product Overview**
**Fire-retardant silicone sealant** is a high-performance one-component silicone sealing material,
designed for scenarios that require high fire rating, excellent weather resistance and long-lasting sealing performance. This product has passed a number of international fire protection standard tests (such as UL 94, GB/T 2408, etc.),
has excellent flame retardant, fireproof and insulation properties, and is widely used in construction, power, industry, transportation and other fields.
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**Product Features**
1. **Excellent fire protection performance**
- Can effectively prevent the spread of flames and meet national and international fire protection standards.
2. **Excellent high temperature resistance**
- Can withstand high temperature environments (-40°C to 250°C) for a long time to ensure stability.
3. **High flame retardancy**
- Excellent self-extinguishing performance, suitable for high-risk fire scenarios.
4. **Strong weather resistance**
- Resistant to UV rays, ozone and rain erosion, adaptable to extreme climatic conditions.
5. **Environmentally friendly and safe**
- Halogen-free, low VOC, no odor, friendly to the environment and human body.
6. **High adhesion**
- Can adhere to the surface of various materials such as glass, metal, concrete, plastic, etc., without primer.
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**Applicable scenarios**
1. **Construction and decoration field**
- Fire wall, curtain wall, pipeline through wall sealing
2. **Electricity and electronics field**
- Distribution cabinet, cable trough, charging pile sealing
3. **Industrial equipment**
- Chemical pipeline, high temperature container sealing
4. **Transportation**
- Aircraft, ship, high-speed rail fireproof sealing
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**Construction instructions**
1. **Surface cleaning**: Make sure the construction surface is free of grease, dust and debris.
2. **Glue application method**: Use a glue gun to evenly apply the sealant and ensure that the joints are filled.
3. **Curing time**: The surface drying time is 20 minutes, and the full curing time depends on the joint depth and ambient humidity (24~72 hours).
4. **Maintenance recommendations**: Avoid external force and moisture contact before full curing.
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**Packaging and storage**
1. **Packaging specifications**: 300ml/piece, 600ml/bag
2. **Storage requirements**: Store in a cool and dry place, avoid direct sunlight, and the shelf life is 12 months if unopened.
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**Certification and standards**
- Passed **UL 94 V-0**, **ISO 11600**, **GB/T 2408** and other authoritative certifications
- Complies with **ROHS** and **REACH** environmental standards
| PERFORMANCE DATA | |||
| Test Parameter | Unit | Result Translucent Pigmented | |
| As Supplied Tested at 23ºC and 50% RH | |||
| Specific Gravity | g/ml | 0.98±0.02 | 1.32±0.02 |
| Flow (sag or slump) | mm | 0 | 0 |
| Extrusion Rate | ml/minute | 180 | 123 |
| Skin Time | minute | 5~10 | ≤60 |
| Tack-free Time | hour | ≤1.0 | ≤5 |
| Curing time (5mm) | hour | ≤12 | ≤16 |
| As Cured-after 21 days at 23ºC and 50% RH | |||
| Durometer Hardness, Shore A | Points | 28 | 42 |
| Elastic Recovery | % | 98 | 98 |
| Movement Capability | % | ±25 | ±40 |
| Tensile/Modulus at 50% Elongation | % | 0.27 | 0.52 |
| Tensile/Modulus at 100% Elongation | % | 0.35 | 0.68 |
| Ultimate Tensile Strength | Mpa | 0.37 | 0.84 |
| Ultimate Elongation at Break | % | 220 | 420 |
The adhesive manufacturing process is completely enclosed to prevent external temperatures and various uncontrollable factors from affecting the product quality.FINISHED PRODUCT STORAGE WAREHOUSE
PROJECT CASECARGO TRANSPORTATION 
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