| Application: | Various Buildings |
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| Fast Installation: | Fast Installation |
| Feature: | Earthquake Resistant, Easily Movable, Eco-Friendliness, Flexibly Combinable, Leak Proof, Moisture Proof, Safe, Thermal Insulation, Waterproof, Wind Resistance |
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The HBC Prefabricated EPS Interior Partition Wall is a lightweight, modular, and non-load-bearing wall system designed for fast installation in residential, commercial, and industrial interiors. Unlike traditional panels, it uses pure EPS foam core (without external cladding) combined with a reinforced polymer-cement coating for structural stability. This product excels in flexibility, sound insulation, and cost efficiency, making it ideal for modern drywall construction.
| Parameter | Specifications | Testing Standard |
| Standard Size | 1200mm (W) × 2400mm (H) × 50-200mm (T) | ISO 8335 |
| Customizable Sizes | Length: ≤6000mm; Thickness: 50-300mm | ASTM C1289 |
| Tolerance | ±2mm (thickness), ±5mm (length/width) | EN 14509 |
| Parameter | Value | Standard |
| EPS Core Density | 18-30kg/m³ (standard), 45kg/m³ (high-strength) | ASTM D1622 |
| Compressive Strength | 110-140 kPa (at 10% deformation) | ISO 844 |
| Thermal Conductivity | 0.033-0.038 W/(m·K) | ASTM C518 |
| Sound Insulation | 35-45 dB (for 100mm thickness) | ISO 10140-2 |
| Fire Rating | Class B1 (EN 13501-1) / ASTM E84 Class 1 | EN 13501-1 |
| Water Absorption | ≤3% (by volume, 24h immersion) | ASTM C272 |
| Weight | 1.8-5.4 kg/m² (depending on thickness) | Calculated |
| Feature | HBC EPS Partition | Gypsum Board | Brick Wall |
| Weight (kg/m²) | 1.8-5.4 | 8-12 | 180-220 |
| Sound Insulation (dB) | 35-45 | 30-35 | 40-50 |
| Installation Time | 1-2 days/room | 3-5 days | 2-4 weeks |
| Thermal Insulation | Excellent | Poor | Moderate |
| Cost (per m²) | $15-25 | $10-20 | $50-80 |
Shandong Luying Building Materials Co., Ltd. is a high-tech enterprise specializing in the research, production, sales, and construction services of green, environmentally friendly, and energy-saving wall materials. The company is located in Lingquan Town, Junan County, Linyi City, covering an area of 20,000 square meters with a modern production facility spanning 6,200 square meters. Its annual production capacity exceeds 1 million square meters of lightweight energy-saving composite wall panels.
The company's core product, the lightweight energy-saving composite wall panel, boasts the following technical advantages:
The product has been widely used in residential, medical, educational, and commercial construction projects. The company is ISO-certified and supported by a professional technical service team, providing comprehensive wall system solutions to clients.
1. What is EPS Cement Sandwich Panel?
- Definition: A composite panel composed of two layers of fiber cement boards or calcium silicate boards sandwiching an expanded polystyrene (EPS) core material.
- Characteristics: Lightweight, thermal insulation, acoustic insulation, fire-resistant, corrosion-resistant, widely used in building walls, roofs, and partitions.
2. What are the advantages of EPS Cement Sandwich Panels?
-Lightweight & High Strength: Weighs only 1/10 of traditional brick walls, reducing structural load.
- Superior Load-Bearing Capacity: Suspension capacity exceeds 1500N (≈153kg).
- Thermal & Acoustic Insulation: EPS core effectively blocks heat transfer and sound transmission.
- Fire Resistance: Cement facings combined with flame-retardant EPS typically achieve Class A fire rating (non-combustible).
- Rapid Installation: Modular design with prefabricated components allows effortless cutting/grooving, minimizing labor and time costs.
- Eco-Friendly: Recyclable materials with low embodied energy in production.
3.Disadvantages & Precautions
- Low Impact Resistance: Thin cement surface layer requires avoidance of impacts from sharp/heavy objects (ASTM D256 Izod impact test standard).
- Non-Load-Bearing: Restricted to non-load-bearing structures; requires steel framing support (EN 1993-1-1:2005 for structural steel design).
- Moisture Sensitivity: Prolonged exposure to humidity may degrade EPS properties; waterproofing measures are mandatory (EN 16047:2012 for sandwich panel moisture resistance).
- Dust Generation: Cutting during installation produces fine particulate matter; OSHA-compliant PPE (e.g., N95 masks) must be worn (OSHA 29 CFR 1910.134 respiratory protection).
4. Environmental Friendliness?
- Recyclability: Cement panels can be crushed and reused, while EPS (Expanded Polystyrene) can be recycled and pelletized.
- Production Process: No toxic substances are released during manufacturing, with carbon emissions significantly lower than traditional construction materials.
5. Maintenance and cleaning guidelines?
- Routine Cleaning: Wipe surfaces with water or neutral detergents.
- Periodic Inspection: Check joint seals and repair cracks promptly.
- Anti-Corrosion: Apply rust-proof coatings to exposed metal connectors.
6.What is the service life?
- Normal Conditions: Over 30 years (with proper installation and no extreme environmental damage).
- Risk Factors: Humidity, acid rain, or salt spray may shorten lifespan.
7.Typical applications?
- Common Uses:
- Factories, warehouses, logistics centers
- Temporary structures (site offices, exhibition halls)
- Agricultural greenhouses, livestock barns
- Noise barriers, container houses
- Unsuitable For: Load-bearing walls, submerged environments, or areas near high-temperature industrial furnaces.
8.Can dimensions and colors be customized?
- Dimensions: Most manufacturers offer custom lengths and thicknesses (standard: 50-200mm).
- Colors/Textures: Available with colored coatings or stone/wood-grain finishes.
9. Acoustic performance?
- Reference Data: 100mm thick panels provide 40-45dB sound insulation, meeting general building requirements.
- Enhancement: Increase panel thickness or add sound-absorbing layers.
10.How to Improve the Thermal Insulation Performance of EPS Cement Sandwich Panels?
EPS cement sandwich panels consist of expanded polystyrene (EPS) foam cores with a closed-cell structure, which traps air and provides extremely low thermal conductivity, effectively reducing heat transfer. The cement facings offer structural support and surface protection, forming a lightweight insulated wall system suitable for both thermal and cold insulation applications.
Methods to Enhance the Thermal Insulation Performance of EPS Cement Sandwich Panels:
1. Increase the Core Thickness - A thicker EPS core improves thermal resistance (R-value), reducing heat transfer.
2. Optimize Joint Sealing- Apply expanding foam sealant to fill panel gaps, minimizing thermal bridging and improving overall insulation continuity.
11.Is EPS cement sandwich panel itself moisture-proof?
Yes.
- Cement surface layer:Good waterproofing, can block liquid water penetration.
- EPS core material: Closed-cell structure, low water absorption rate.
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