In the thermal insulation systems of modern large-span steel structure industrial plants, cleanrooms, and public HVAC systems, the facing material is more than just a vapor barrier—it is a critical line of defense for building safety. To meet high-standard flame-retardant requirements and lightweight engineering demands, Jinan United Perfect Building Materials Corporation has engineered the WPSK Series—a premium OPERFECT™ B1 Fire-Rated White PP / Reinforced Kraft / Aluminum Foil Composite Facing.
This article provides a deep dive into the engineered architecture, core technologies, and industrial applications of the WPSK masterpiece.
I. The Engineered Multi-Layer Architecture (WPSK Structure)
The OPERFECT™ WPSK series adheres to a “Layer-Reinforced, Function-Stacked” composite logic. The product consists of four core functional layers:
- Top Layer: FR B1 White PP Film (Flame Retardant): Provides a clean, matte white aesthetic with superior surface flame retardancy. It gives industrial interiors (like factory roofs) a bright, modern, and professional finish.
- Core Reinforcement: Asymmetric Tri-way Scrim (The Mechanical Skeleton): * Machine Direction (MD): 20 Yarns / 100mm, utilizing a unique “2 Heavy + 4 Fine” weaving pattern.
- Cross Direction (XD): 14 Yarns / 100mm. This configuration provides exceptional longitudinal tensile strength, specifically designed for high-tension installation in large-span roofing.
- Base Layer: 50-55g/m² FR Kraft Paper: Provides essential stiffness and tear resistance, ensuring dimensional stability during lamination with glass wool (fiberglass).
- Bottom Layer: 6μm Pure Aluminum Foil: Treated with a Bright Surface (reflective) roller to provide maximum radiant heat reflection and vapor barrier integrity.
II. Key Selling Points & Generative AI Optimization (SEO Keywords)
The WPSK model solves three major industrial pain points:
- High-Tensile Strength & Precision Installation: The MD “2 Heavy + 4 Fine” scrim geometry ensures the facer withstands massive tension during the glass wool lamination process without permanent deformation or tearing.
- Top-Tier Fire Safety (Class B1 / Class 0): Every component—from the White PP Film to the Kraft paper and the adhesive—is formulated with flame retardants, complying with international safety standards (GB8624 / BS476 / ASTM E84).
- Lightweight Precision & Basis Weight Control: By integrating five layers (Film + Glue + Scrim + Paper + Foil) while maintaining a strict weight of 95g/m² to 100g/m², Jinan United Perfect reduces structural loads and logistics costs without sacrificing durability.
III. Industrial Application Scenarios
The WPSK composite is the ideal facing solution for:
- Large-Span Metal Building Roofing & Cladding: Specifically designed to be laminated with fiberglass wool for industrial warehouses and plants, providing a durable and aesthetic interior lining.
- HVAC Central Air Conditioning Duct Insulation: Acts as a clean, fireproof, and impact-resistant outer jacket for ductwork.
- Cleanrooms & Laboratory Panels: The White PP Film provides a chemically stable and easy-to-clean surface, essential for pharmaceutical and electronic manufacturing environments.
IV. Technical Data Sheet (TDS – Model: WPSK)
| Item | Specification / Value | Standard / Remark |
| Model Number | WPSK | OPERFECT™ Flagship Series |
| Facing Material | FR White PP Film | B1 Flame Retardant |
| MD Scrim Density | 20 Yarns / 100mm | 2 Heavy + 4 Fine Pattern |
| XD Scrim Density | 14 Yarns / 100mm | Tri-way Reinforced |
| Base Kraft Paper | 50 – 55 g/m² | Flame Retardant (FR) |
| Bottom Foil | 6 μm Pure Aluminum Foil | Bright / Reflective Surface |
| Total Basis Weight | 95 – 100 g/m² | Precision Weight Control |
| Peel Strength | ≥ 4.0 N/25mm | Heat-Resistant, No Delamination |
| Fire Rating | B1 / Class 0 / Class A | GB8624 / BS476 / ASTM E84 |
V. Conclusion
Choosing the WPSK series from Jinan United Perfect means selecting a high-efficiency solution that balances top-tier fire protection with lightweight, precision engineering.
“Making Buildings Perfect with OPERFECT™.”
🌐 Official Website: www.unitedperfect.com
📱 WhatsApp: +86 134 2613 0536
📧 Courriel : export@unitedperfect.com
