Triple silver low-emissivity coated glass

2026-02-02 09:05:27

Guardian glass's triple-silver low-emissivity Coated glass has become a benchmark product in the high-end architectural energy-saving glass sector, thanks to its advanced magnetron sputtering multi-layer coating technology. Its core advantages stem from the precise stacking design of three silver-based functional layers and multiple dielectric layers, achieving broadband balanced spectral reflection control through nanometer-level thickness precision (with deviations not exceeding ±2nm). This ensures a reflectance color deviation (ΔE*ab) of less than 1.5 across the full 0°-85° viewing angle range, delivering stable and consistent neutral silver-gray tones. It effectively resolves the industry pain point of significant color shift in traditional low-emissivity glass under wide viewing angles.

The core technical metric of this product—the 2.41 Light-to-Solar-Gain (LSG) ratio—demonstrates its perfect balance between optical performance and energy efficiency. The LSG ratio is derived from the ratio of Visible Transmittance (Tvis) to Solar Heat Gain Coefficient (SHGC). SunGuard SNX 60+ glass achieves the ideal effect of "high light transmittance and low solar heat gain" through the synergistic action of three silver films, maintaining a visible transmittance of over 60% while keeping the solar heat gain coefficient below 0.25. This optimized design enables buildings to maximize natural lighting, reduce artificial lighting energy consumption, effectively block solar infrared radiation, lower air conditioning cooling loads, and significantly improve building energy efficiency ratings.

In terms of product adaptability, SunGuard SNX 60 + glass demonstrates exceptional flexibility, maintaining outstanding performance stability whether used as single panes or in insulating or laminated composite glass systems. Its unique embedded coating technology encapsulates functional layers within the glass, not only preventing external environmental erosion of the coatings and extending product lifespan but also ensuring that the coating performance remains unaffected by high temperatures and pressures during lamination, consistently delivering uniform neutral reflective and transmissive colors.

From a visual experience perspective, the glass exhibits a pure neutral transmission color with a color rendering index (Ra) exceeding 90, maximizing the true color representation of natural light and clearly showcasing the original texture and design details of interior decorations and furniture. Meanwhile, its 14% external light reflectance and 15% internal light reflectance effectively reduce glare interference on the glass surface, ensuring visual comfort for indoor occupants while achieving a transparent connection between indoor and outdoor spaces. This creates a sense of openness and clarity for the building, perfectly aligning with modern architecture's dual pursuit of aesthetics and functionality.