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বাংলা 
Acoustic Spray Coating
This product is a water-based sprayable soundproofing material made from special polymer damping materials, composite acoustic fillers, and functional additives. Designed for professional spraying equipment, it forms a dense, seamless soundproof coating through high-pressure spraying, efficiently absorbing sound wave energy and suppressing structural vibration, providing a fast and effective noise reduction solution.
Product Features
| Title | Content |
|---|---|
| Efficient Application | Professional spray coating provides extremely high construction efficiency, especially suitable for large areas and complex structures. |
| Excellent Sound Insulation | Outstanding isolation of mid- and low-frequency noise (equipment vibration, traffic noise). |
| Seamless Sealing | Spraying forms an integrated coating with no seams, perfectly covering irregular surfaces. |
| Damping & Vibration Reduction | High-density properties effectively suppress vibration and resonance noise of substrates such as steel plates and walls. |
| Eco-Friendly & Flame Retardant | Water-based, non-toxic, odorless, and provides good flame-retardant performance. |
Performance Standard
| Title | Content |
|---|---|
| Standard | GB/T 20247-2006 Acoustics – Measurement of Sound Absorption in a Reverberation Room |
| Fire Rating | GB 8624-2012 Classification of Burning Performance of Building Materials B1 Grade |
| VOC Limit | GB 18582-2020 Limit of Harmful Substances in Wall Coatings for Buildings |
Scope of Application
| Title | Content |
|---|---|
| Application | Suitable for sound insulation and noise reduction in residential complexes, villas, multi-story apartments, commercial CBDs, training centers (dance, music, taekwondo, etc.), and live-streaming studios; ideal for large metal roofs, floors, and other vibration-prone substrates. |
Construction Process
| Title | Content |
|---|---|
| Substrate Preparation | Ensure substrate is firm, free of oil and loose particles. Metal surfaces must be rust-free. |
| Equipment Preparation | Use dedicated soundproof coating spraying equipment and adjust according to requirements. |
| Material Preparation | Single-component product, stir evenly before application. |
| Spray Application | Spray evenly by professionals to the designed thickness (usually 3–5 mm) in one pass. |
| Curing | Surface dry in approx. 1–2 hours; fully cured in 24–72 hours depending on temperature and humidity. |
Product Specifications
| Title | Content |
|---|---|
| Packaging | 20 kg / drum, 50 kg / drum |
| Appearance | Gray or white viscous paste |
Transport & Storage
| Title | Content |
|---|---|
| Transport | Protect from sunlight, rain, and freezing during transportation. |
| Storage | Store in a cool, dry place at 5℃–35℃, avoid long-term high temperature. Shelf life: 12 months unopened. |
Precautions
| Title | Content |
|---|---|
| Construction Environment | Ambient temperature ≥5℃, relative humidity ≤85%, maintain good ventilation. |
| Effect Guarantee | Soundproofing performance is directly related to final dry film thickness; ensure design thickness is achieved. |
| Subsequent Decoration | Surface is rough and usually serves as a base layer; wait at least 48 hours before applying putty or topcoat. |
| Personal Protection | Wear gloves and a mask during application. In case of eye contact, rinse with plenty of water and seek medical attention. |
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