Product Description
The UV Test Machine for Architectural Coatings is a specialized laboratory system designed to evaluate the UV resistance, color stability, and long-term durability of exterior and interior architectural coatings under controlled accelerated aging conditions. Compliant with ASTM D4587, ISO 4892-3, and BIS standards, this machine simulates sunlight, temperature, and humidity cycles to ensure coatings withstand Indias extreme climatesfrom scorching summers to monsoon rainswhile maintaining aesthetic and functional integrity.
Technical Specifications
1.
UV Light Source & Spectral Precision
UVA-340 Lamps: Replicate solar UV wavelengths (295365 nm) critical for testing photodegradation in architectural paints and coatings.
Adjustable Irradiance: 0.51.5 W/m @ 340 nm, calibrated to ASTM D4587 and ISO 4892-3 protocols.
2.
Environmental Controls
Temperature Range:
Ambient: 10C to 80C (1C accuracy).
Black Panel Temperature (BPT): 30C to 120C (1.5C), simulating rooftop or faade surface heat.
Humidity Control: 10%98% RH (3% stability) with cyclic condensation for rain/humidity simulation.
3.
Chamber Design
Sample Capacity: Benchtop (50L) to industrial (500L), accommodating coated panels up to 1m x 0.5m.
Material: Stainless steel interior with anti-corrosion coatings, UV-transparent quartz windows.
Safety Features: Over-temperature shutdown, water leakage detection, and emergency stop.
4.
Automation & Data Management
Programmable Test Cycles: Pre-set profiles for UV-only, UV/condensation, or custom sequences (e.g., 4 hours UV + 2 hours rain).
Touchscreen Interface: Real-time monitoring of UV intensity, temperature, humidity, and gloss/color metrics.
Data Export: Generate compliance reports (CSV/PDF) with E (color change), gloss retention, and adhesion test results.
Key Applications
1.
Exterior Paints:
Test UV-induced fading, chalking, and cra cking in acrylic, epoxy, and silicone-based coatings.
2.
Protective Coatings:
Validate corrosion resistance of metal primers and waterproofing coatings under cyclic UV/humidity.
3.
Decorative Finishes:
Assess color stability and gloss retention in interior wall paints exposed to sunlight through windows.
4.
Gre en Building Materials:
Evaluate UV durability of low-VOC and eco-friendly coatings for LEED certification.
Compliance & Certifications
ASTM D4587: Standard Practice for Fluorescent UV-Condensation Exposures for Coatings.
ISO 4892-3: PlasticsExposure to Fluorescent UV Lamps.
Indian Standards: BIS-compliant testing (IS 16046) for local regulatory approval.
Certifications: CE, RoHS, ISO 9001:2015.
Advantages for Indian Manufacturers
1.
Climate-Specific Testing:
Pre-programmed cycles replicate Indias regional extremes (e.g., Rajasthans UV intensity, coastal salt-humidity).
2.
Energy Efficiency:
Inverter-driven cooling systems reduce power consumption by 30% versus traditional models.
3.
Localized Support:
Service hubs in Mumbai, Delhi, and Bengaluru provide installation, calibration, and NABL-accredited maintenance.
4.
Scalability:
Modular upgrades for salt spray testing (IS 101) or thermal shock resistance.
FAQs (UV Test Machine for Architectural Coatings)
Q1: How long does a UV test take for architectural coatings?
A: Accelerated tests range from 2001,000 hours, simulating 15 years of outdoor exposure depending on irradiance settings.
Q2: Can this machine test nano-coatings or self-cleaning paints?
A: Yescustomizable irradiance and humidity profiles assess advanced coatings UV resistance and hydrophobicity.
Q3: How to maintain the chamber in dusty environments?
A: Monthly air filter cleaning and quarterly lamp calibration ensure consistent performance.
Q4: Is the machine compatible with Indian voltage standards?
A: Yesconfigured for 230V/50Hz with surge protection for unstable power grids.
Q5: Does it support BIS certification for coatings?
A: Yestest protocols align with IS 16046 and other BIS requirements.
UV Test Machine for Architectural CoatingsStandard Features:
Item | Specification |
Outside dimension | 1300W500D1460Hmm |
Chamber material | SUS#304 stainless steel |
Temperature range | RT70 |
Temperature fluctuation | 2 |
Temperature control | PID SSR control |
Humidity range: | 95%RH |
Controller | Programmable controller, LCD touch screen |
Control mode | Balance temperature humidity control (BTHC) |
Test cycle setting | Exposure, condensation and water spray test cycle is programmable |
Lamp power | 40W/Piece |
Distance from sample to lamp | 502mm |
Centre distance between the lamp | 70mm |
Irradiance | 0.45~1.0W/m2 (optional) |
UV lamps | Imported Atlas UV-B: 280-315nm (8pcs, 1600h lifetime) |
Standard Specimen Size | 75290mm (24pcs) or 75x150mm (48pcs), max. thickness 5mm |
Testing time | 0999H, adjustable |
Protection system | Overload short circuit protection |
Over temperature protection |
Water lacking protection |
Earth leakage protection |
Auto shut off protection |