PU Adhesive for SIP Panels — Structural 4:1 / 5:1 System
PUGLUE 4:1 and 5:1 two-component PU adhesives are engineered for SIP (Structural Insulated Panel) lamination. 7-8 MPa tensile shear strength on EPS, XPS, PIR, and PUR cores. Open time tunable 18-25 min for medium-to-high volume panel lines. Validated on rockwool, perlite, and aluminum honeycomb skins. Cold-cure variants available for plants below 15°C.
Why OEM panel plants choose PUGLUE: consistent batch CoV ≤ 3%, plasticizer-free formulations, and engineering support that includes 5-7 day on-site engineer driving for first batch validation. SIP panel makers in 12+ countries run our adhesive on Hymmen, IDM, and Soltic glue-spreaders.
The information below covers SIP panel construction context — but our value here is the adhesive product, not panel manufacturing.
PU SIPs Panel Adhesive
We offer a variety of polyurethane glues to meet a variety of construction needs:
1. Structural adhesive:
high strength and excellent weather resistance, ensuring the firm connection of the building structure.
2. Thermal insulation glue:
specially designed for SIP boards, providing excellent thermal insulation performance and enhancing the thermal insulation effect of the overall building.
3. Multifunctional construction glue:
suitable for bonding and sealing various materials to ensure tight connections between various parts of the building.
High-strength bonding:
Provides reliable structural connections to ensure the stability of the building under various environmental conditions.
Weather resistance:
The glue has excellent weather resistance properties, ensuring that it remains sticky for a long time under different climate conditions.
Flexibility:
Polyurethane glue is suitable for a variety of surfaces and has excellent adaptability, ensuring a wide range of applications.
With our polyurethane SIP panels and glue products, you will receive high-performance, sustainable and innovative building solutions to meet the needs of different projects.
Contents | Component A | Component B |
Description | Blended Polyol | Polymeric isocyanate (MDI) |
Appearance | Light Yellow Homogeneous Liquid | Dark Brown Viscous Liquid |
Mixing Ratio (W) | A:B=1:4 | |
Cure Time (20℃) | 48~52 second | |
Our polyurethane SIP sheets and glue are manufactured using advanced production processes to ensure the products meet the highest standards. Key steps include:
1. Raw material screening:
We procure high-quality raw materials from reliable vendors and ensure that the products always meet the specifications and standards.
2. Mix and react:
Through a precise mixing process, the polyurethane material is ensured to obtain consistent performance during the reaction, improving the strength and stability of the product.
3. Forming and mold design:
We use advanced mold technology to ensure the precise shape and size of SIP panels. Glue products are precision formed to meet the needs of different applications.
4. Curing and curing treatment:
Through a precise curing process, the product is ensured to obtain the best physical and chemical properties after production. Special curing treatment ensures product stability and reliability.
5. Cutting and finishing:
SIP panels are precisely cut and arranged to ensure each panel meets design specifications for easy installation on construction projects.