Products
Fiber Glass Warm Edge Spacer
Fiberglass warm edge spacers are essentially the "reinforced" PP warm edge spacers we discussed earlier. They are made by adding glass fibers to a polypropylene (PP) substrate for reinforcement, and some are even coated with a PET composite film. This structure retains the low thermal conductivity of plastic while acting like a "steel skeleton" for the warm edge spacer, significantly improving its strength and rigidity.
Features
Renqiu City Xinjian Metal Products Co., Ltd. is one of the most reliable manufacturers and suppliers of fiber glass warm edge spacer in China. With a professional production team, we are able to meet the needs of the majority of our customers. Welcome to wholesale customized fiber glass warm edge spacer from our factory. Also, free sample is available.
Fiberglass warm edge spacers are essentially the "reinforced" PP warm edge spacers we discussed earlier.
They are made by adding glass fibers to a polypropylene (PP) substrate for reinforcement, and some are even coated with a PET composite film.
This structure retains the low thermal conductivity of plastic while acting like a "steel skeleton" for the warm edge spacer, significantly improving its strength and rigidity.
To more clearly demonstrate the product's core strengths, the following are the key specifications and performance parameters, which are also crucial references for industry selection:
- Core Material: Fiberglass-reinforced modified polypropylene (fiberglass filling and reinforcement enhances rigidity and resistance to deformation, eliminating the problems of softness and warping found in ordinary plastic strips)
- Thermal Insulation Performance: Ultra-low thermal conductivity completely blocks cold bridges at the glass edges, improving thermal insulation performance by dozens of times compared to traditional aluminum spacers, effectively preventing condensation, dampness, and mold growth around windows.
- Temperature Range: -40℃~110℃, strong stability in thermal cycling, unaffected by seasonal temperature fluctuations, outdoor sun exposure, and frost, without shrinkage or cracking.
- Processing Characteristics: Supports room temperature cold bending, requiring no heating or specialized equipment, bending without edge chipping or breakage, suitable for mass production of all types of insulated glass.
- Lightweight Advantage: Weighs only 1/3 of traditional aluminum spacers, reducing the overall window load, lowering the risk of glass stress-induced spontaneous breakage, and improving the overall structural stability of doors and windows.
- Compatibility Specifications: Covers mainstream universal widths from 5.5mm to 26.5mm, suitable for all scenarios including home decoration system windows, sunrooms, building curtain walls, and built-in blinds.
- Sealing Compatibility: Compatible with mainstream sealants such as polysulfide sealant and silicone sealant, with strong adhesion, excellent airtightness and watertightness, and long-lasting pressure retention without air leakage.
Why are more and more overseas window and door projects replacing traditional aluminum spacers with fiberglass warm edge spacers?
Condensation, fogging and whitening of glass, and short lifespan of windows and doors are the most common quality problems in insulated glass projects worldwide. For a long time, traditional aluminum spacers have been widely used due to their low price, but the metal material naturally conducts heat quickly, creating a significant cold bridge effect. During the cold winter or humid rainy season, water droplets easily condense on the glass edges, eventually breeding mold, damaging the sealing structure, and ultimately causing the insulated glass to leak and fail, resulting in complete scrapping and significantly increasing after-sales costs.
The emergence of fiberglass warm edge spacers fundamentally solves these industry pain points. Fiberglass warm edge spacers differ from ordinary plastic and all-metal spacers. Made of fiberglass-modified polypropylene composite material, the product uses glass fiber to strengthen structural rigidity, completely solving the problems of ordinary plastic spacers such as easy collapse, deformation, and thermal contraction. Its extremely low thermal conductivity effectively blocks heat conduction at the glass edges, preventing condensation, dampness, and mold growth at the window edge, keeping the insulated glass clean and transparent year-round.
The product boasts exceptional weather resistance, functioning stably in extreme temperature environments ranging from -40℃ to 110℃. It is unaffected by sun exposure, frost, and temperature fluctuations, and will not crack or age even with long-term use. Fiberglass warm edge spacers are also compatible with mainstream sealants such as silicone and polysulfide, offering excellent adhesion and long-lasting stable airtightness and watertightness. Processing requires no heating and supports room-temperature cold bending, significantly improving factory production efficiency. If you want to upgrade your windows and doors, reduce after-sales failure rates, and meet high-end energy-saving building standards, fiberglass warm edge spacers are a cost-effective and preferred upgrade solution.
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