Polyurethane Faux Stone Wall Panel
It adopts high-precision steel mold pressing technology, obtains natural stone surface topology data through digital scanning, and uses microporous foaming technology to achieve high restoration of stone texture. The mold system adopts a multi combination design to ensure natural transitions and texture continuity of the seams, eliminating visual dissonance caused by repeated patterns.
The architectural advantages of polyurethane faux stone wall panel
Precision replication process
It adopts high-precision steel mold pressing technology, obtains natural stone surface topology data through digital scanning, and uses microporous foaming technology to achieve high restoration of stone texture. The mold system adopts a multi combination design to ensure natural transitions and texture continuity of the seams, eliminating visual dissonance caused by repeated patterns.
Surface treatment technology
The product surface undergoes multiple treatment processes. The base layer is sealed using epoxy penetration technology, the middle layer is coated with UV cured coating for wear resistance protection, and the surface layer is enhanced with fluorocarbon spraying technology to improve weather resistance. The surface texture presents the crystalline characteristics and mineral distribution effects of natural stone, including quartz reflective dots and mica glitter effects.
Structural performance advantages
The substrate adopts a closed cell polyurethane structure, and the density gradient is precisely calculated to achieve the optimal strength to weight ratio. The product has machinable characteristics, supports precise cutting, and meets the requirements of irregular structures. The installation system adopts an implicit buckle design to achieve seamless splicing and quick assembly.
Visual performance
The color reproduction of polyurethane faux stone wall panel meets professional standards, and the natural stone's hue, brightness, and saturation characteristics are achieved through a mineral color paste color matching system. The surface light treatment adopts an alternating technique of matte and semi matte, simulating the light refraction characteristics of natural stone. Visual inspection is conducted in a standard light source environment to ensure that inter batch color differences are controlled within an acceptable range.
Comparison of differences between imitation stone walls and real stone walls
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Characteristic indicators |
polyurethane faux stone wall panel |
Natural stone wall panel |
|
Material composition |
Polymer polyurethane composite material |
Natural sedimentary rocks and metamorphic rocks |
|
bulk density |
low density |
high density |
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compressive strength |
moderate |
high-intensity |
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thermal conductivity |
low thermal conductivity |
high thermal conductivity |
|
water absorption rate |
≤1.5% |
0.5-5% |
|
fire resistance rating |
B1 level flame-retardant material, oxygen index ≥ 32 |
A-class non combustible material, but may explode at high temperatures |
|
weather resistance |
Anti UV aging |
Natural weather resistance, but some carbonate stones are afraid of acid corrosion |
|
maintenance cost |
Daily rinse with clean water, no special maintenance required |
Regular protective treatment requires professional cleaning and maintenance |
|
service life |
Over 25 years, with a color retention period of 10 years |
Over 50 years, but requires regular maintenance |
|
environmental performance |
No radioactive material, recyclable and reusable |
Natural radioactivity, high energy consumption during mining process |
Indoor applications
The common polyurethane faux stone wall panel is often used for outdoor decoration, but it can still be used indoors and is a very unique decoration material. Due to the characteristics of environmentally friendly panels, it will not produce formaldehyde when installed indoors and has excellent environmental characteristics. The following are its specific applications
Living room space
It can be used as the main material for the TV background wall, and its unique texture can effectively enhance the level of the space. By using asymmetric splicing technology, an artistic visual focus can be created. At the same time, it can be used as a partial decoration for the sofa background wall, enhancing the sense of spatial hierarchy through material contrast.
Bedroom area
It is recommended to use warm toned stone like effects to create a warm and comfortable resting atmosphere. It can be used as a decorative surface layer for the bedside background wall, and its good tactile performance and insulation characteristics are particularly suitable for bedroom environments. It can also be used for facade decoration in dressing rooms to enhance the quality of the space.
Kitchen and kitchen space
Anti oil treated imitation stone wall panels can be selected for use in the main wall of the restaurant and the splash proof area of the kitchen. Its scrub resistance and antibacterial properties fully meet the hygiene requirements of kitchen spaces, while the texture of the stone can bring a natural and comfortable dining experience.
Bathroom space
Special moisture-proof products should be selected. Can be used for bathroom dry area wall decoration, creating a SPA like natural atmosphere. Its fast drying characteristics avoid the problem of mold growth in traditional stone materials in humid environments.
Detailed explanation of the foaming experiment process of B1 level continuous polyurethane board
In order to innovate polyurethane faux stone wall panel, we conducted experiments, and the following are the experimental steps
Three types of polyurethane polyols: flame retardant polyurethane polyol AK3083 (60 parts by mass), polyurethane polyol 2438A (10 parts by mass), flame retardant polyurethane polyol PS2452 (30 parts by mass)
Foaming system: Water (1.3 parts by mass) as the chemical foaming agent, and HCFC-141 (28 parts by mass) as the physical foaming agent
Auxiliary system: composite catalyst A (3.3 parts by weight), composite flame retardant B (27 parts by weight), composite foam stabilizer C (2 parts by weight)
Isocyanate component: Polyisocyanate PM400, isocyanate index set at 310%
Firstly, conduct a free foaming test in the laboratory,Mix polyol, foam stabilizer, flame retardant, catalyst, water and physical foaming agent according to the ratio to prepare material A (white material), weigh corresponding amount of PM400 in another container as material B (black material), adopt one-step foaming process, and control the material temperature at 28 ℃. According to the mass ratio of material A to material B of 1:1.6, quickly pour material B into material A, quickly stir for 5 seconds, and then pour it into the mold for foaming. Record the foaming parameters such as milky white time, gel time, and non sticking time.
Observing the foaming rate curve, the first peak corresponds to the reaction between polyols and isocyanates to form cross-linked structures, and the second peak corresponds to the trimerization reaction of isocyanates to form cyclic structures of polyisocyanurate. The reaction rate and control parameters are analyzed through the curve.
Black and white materials are accurately measured by measuring pumps and sent to high-pressure gun heads for mixing. The mixed composite material is evenly poured onto the lower coil. While completing foaming and shaping in the laminating machine, it is bonded to the coil material, and the uniformity of pouring is ensured by adjusting the dwell time of the gun head in sections.
Observing the shape of the foaming line, the ideal state should be a uniform straight line. When the foam line rolls or there are black lines on the board, increase the line speed or reduce the dwell time of the gun head. When the foaming line is curved or the board is not fully filled, reduce the line speed or increase the dwell time of the gun head. In the initial stage, the chain plate is heated to 65 ℃. After a period of production, the temperature is maintained by releasing heat from the reaction, and external heating can be reduced or stopped. The material temperature is controlled within the range of 18-21 ℃ to avoid uneven mixing due to excessive viscosity.
The pouring interval is limited to a distance of 1-3 cm from both sides of the fiberglass coil. The blank area is filled by expanding the surrounding composite material, and the density of different positions in the width direction of the board is regularly sampled and tested. The degree of trimerization is controlled by the amount of catalyst in the formula, the appropriate process temperature ensures that the reaction is fully carried out, and the foam rise and curing state are monitored during the foaming process.
The experimental process of polyurethane faux stone wall panel has achieved stable and continuous production of B1 level flame-retardant polyurethane panels through systematic formula design and precise process parameter control, providing a reliable technical route for industrial applications.
WHY CHOOSE US
Insulation and Fire Protection
The polyurethane faux stone wall panel adopts innovative composite technology to achieve excellent insulation effect, while meeting high-level fire safety standards. The perfect combination of energy-saving features and safety guarantees provides dual protection for buildings.
01
Lightweight and high-strength
significantly reducing the weight of the product while maintaining excellent structural strength, greatly simplifying installation processes and reducing building structural loads. Combining practicality and construction convenience, improving overall project efficiency.
02
Technical precision and quality assurance
By strictly controlling continuous production processes, product performance is highly stable, achieving excellent batch consistency and reliability. The pursuit of excellence in manufacturing standards ensures the quality level of each product.
03
Comprehensive cost advantage
effectively reducing overall costs while maintaining excellent performance, with the characteristics of long service life and low maintenance requirements. Demonstrate excellent economic performance throughout the entire lifecycle and create sustained value for customers.
04
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