The EPS Polystyrene Sandwich Cement Board-formally known as the Molded Polystyrene Foam Sandwich Cement Board-is a novel, eco-friendly composite building material.
It is fabricated by laminating high-strength facing materials with a lightweight EPS (expanded polystyrene foam) core; due to its exceptional overall performance, it enjoys widespread application within the construction industry.

Product structure



Products Properties
|
Product name |
Mold retaining one-piece board |
|
Material |
Mortar + Mesh Cloth +eps foam board |
|
Width |
600mm |
|
Length |
1800-3000mm |
|
Thickness |
60-150mm |
|
Core material density |
35-45kg/m³ |
|
water absorption |
≤500g/m2 |
|
bending load |
≥2000N |
|
Advantages |
Eco-Friendly, Waterproof and Fireproof etc |
|
Applications |
Wall, Floor, Roof, Villa and Buildings etc. |
|
Outside impact resistance |
J level ≥ 10 |
|
Thermal conductivity of the insulation layer |
≤0.030W/(m·k) |
Product Characteristics

Stable and long-lasting thermal insulation:
With a thermal conductivity as low as 0.035 W/(m·K) or less, the core material bonds directly to the structural wall, eliminating thermal bridging and ensuring sustained energy-saving and eco-friendly performance.

Waterproof and moisture-resistant:
A dense polymer mortar surface layer reinforced with alkali-resistant mesh ensures extremely low water absorption, effectively preventing moisture penetration and avoiding the leakage and dampness issues common in traditional insulated walls.

High crack and impact resistance:
Double-sided composite fiberglass mesh and crack-resistant mortar form a robust protective shield; the system offers high strength and excellent toughness, effectively resisting deformation, cracking, and impact damage.

Guaranteed fire safety:
Meets the Class B1 flame-retardant standard; additionally, a fire-blocking layer is incorporated into the side of the panel during production to effectively halt the vertical spread of flames.
Construction Process








Product construction details

Certificate


Company Profile
Shanxi Rongshengchang New Materials Co., Ltd. embarked on its journey in March 2008, launching with a total investment of RMB 19.5 million and a 17,000-square-meter facility that featured advanced international CNC automated production lines. The company achieved a major milestone in 2016 by constructing a large-scale factory-spanning 55 mu (30,000 square meters)-in the Shuixiu Industrial Park in Taigu; with total investment rising to over RMB 50 million, it became the only insulation material manufacturer in Shanxi to own its own land. The company has successfully obtained environmental impact assessment approval, "Three Systems" certification, and Green Building Material certification, ensuring production continuity through its "owned land and proprietary production lines" model. After more than a decade of steady growth, Rongshengchang has earned recognition across the regional industry as a reliable guardian of delivery schedules.


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