Painted glass is a decorative glass formed by spraying specialized paint on the back of a glass substrate and curing it at high temperatures, which combines artistic expression and practical functions.
1、 Core Process and Classification
1. Manufacturing process
Coating methods: spray coating, roller coating, screen printing or spray coating, water-based environmentally friendly coatings (modified acrylic resin) are mainstream;
Curing process: Preheat at 50-80 ℃ and heat up to 160 ℃ for baking (3 hours). The paint film is chemically bonded to the glass for 28 hours;
Substrate selection: ordinary flat glass or tempered glass (to enhance safety).
2. Product classification
|
Type |
Feature |
|
Flat baking paint |
Smooth surface, glossiness>90%, bright colors (Pantone color card customization) |
|
Frosted baking paint |
Shading treatment on the back, transparent but opaque, enhances privacy |
|
Art baking paint |
Hand drawn patterns+high-temperature baking, suitable for customized decoration of churches and villas |
|
Functional baking paint |
Add nano coating (oil resistant, antibacterial) to achieve a hardness of 3H-4H |
2、 Core Performance and Parameters
• Physical characteristics
1. Adhesion: 0-1 level (cross cut test), resistant to 172 hours of ethanol immersion;
2. Hardness: 3H-4H pencil hardness, excellent wear resistance;
3. Environmental friendliness: formaldehyde/xylene free, RoHS certified.
• Functional advantages
1. Acid and alkali resistance, slip resistance, UV aging resistance;
2. Significant sound insulation effect (hollow composite structure sound insulation>32dB);
3. The transmittance can be adjusted (frosted version has a transmittance of 70% -85%).
3、 Application scenarios and design adaptation
|
scene |
Recommended plan |
Key points |
|
Background wall |
Pearlescent/Polycrystalline Series (Size ≤ 2440 × 3660mm) |
Reserve expansion joints to prevent thermal expansion and contraction |
|
Kitchen countertop |
Tempered substrate+nano anti fouling coating |
Edge requires flow channel design to prevent water accumulation |
|
Commercial space |
Customized pattern baking paint (digital printing) |
Base material thickness ≥ 12mm to ensure load-bearing capacity |
|
Bathroom partition |
Matte laminated baked paint glass (reinforced with explosion-proof film) |
Prioritize choosing IP68 waterproof motor models |
Construction specifications:
Installation error ≤ 2mm, weather resistant adhesive filling gap ≥ 8mm;
The glass thickness of high-rise buildings should be ≥ floor height ÷ 10 (if there are 30 floors, it should be ≥ 3mm).
4、 Notes and Trends
• Precautions:
(1) The naturally dried paint surface is prone to peeling off, and high-temperature baking technology is preferred;
(2) The concave convex surface is difficult to clean, and the flat nano coating is more practical;
• Technological Trends:
(1) Mainstream by 2025: Photovoltaic composite baked paint glass (power generation+decoration);
(2) Intelligent dimming+baking paint process, achieving dynamic light transmission adjustment
Painted glass
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GLASS ENCYCLOPEDIA
Can frosted glass be cleaned with wet wipes?
→ Okay! Recommend using glass cleaner and fish scale cloth to avoid scratching the matte layer with hard objects.
How to choose between single-sided frosted and double-sided frosted?
→Single sided frosted (smooth surface facing inward) is easier to clean; Double sided frosted provides stronger privacy.
Will frosted glass reduce light transmittance?
→ It will decrease by about 20% -40%, and the ultra white glass substrate can reduce the loss of light transmission.
What are the common glass products in daily life?
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