Outdoor steel structure fireproof coating performance testing instrument scheme [mid-range version]

Steel structure fire retardant coatings are divided into indoor and outdoor. In the last issue, we shared the testing performance instrument scheme of indoor fire retardant coatings. In this issue, we share what physical and chemical performance tests and specific technical indicators are required for outdoor steel structure fire retardant coatings.

The environment faced by outdoor fire retardant coatings is much more complicated than indoors, with wind, sun, and rain, so the performance testing items for outdoor coatings are more than the multi-climate performance testing index items for indoor fire retardant coatings.

So what performance indicators need to be tested for outdoor fire retardant coatings? Including the state in the container, drying time, initial drying crack resistance, bond strength, compressive strength, dry density, heat insulation efficiency deviation, pH value, violent heat resistance, heat and humidity resistance, freeze-thaw cycle resistance, Acid and alkali resistance, salt spray corrosion resistance, ultraviolet radiation resistance, etc.

The following are the testing items specified in the GB/T 14907 standard. A set of mid-range instrument testing schemes are configured from the north and south tides as follows:

Environmental Testing - Weatherability
	Yiheng B-UV-I UV Light Weather Resistance Test Chamber
	Specification parameters: temperature range-light cycle 45°C~80°C, temperature range-condensation cycle 40°C~60°C, lamp type UVA/UVB, lamp power 40W, lamp wavelength 340nm/313nm, irradiance light irradiation Degree automatic control, with calibration function, spray system without spray function, sample capacity 48pcs*(75*150mm), distance between sample and lamp tube 50mm±3mm, overall size 1200*450*1500mm, cycle mode dark, light, spray Shower setting multi-stage cycle automatic control, automatic monitoring and control of irradiance irradiance, power supply voltage 220V 50Hz, power 2KW, net weight 100Kg, gross weight 162Kg, packaging size 1480*720*1560mm, number of lamps 8, lamp type UVA /UVB
	Huitai NBC-YW-60L salt spray test machine
	Specification parameters: continuous spraying with spraying function, studio volume 60L, no drying function, no spraying function, no humidity control, power supply voltage single-phase 220V 2KW 50HZ, external dimensions 680×1050×1050mm, applicable standards IS, ASTM, CNS , GB standard, studio size 600×450×400mm, timer 0～99999hr, temperature range 35°C ± 1°C; 50°C ± 1°C
Film Proofing - Drying Time
	Pushen GKL-II initial drying anti-cracking Tester
	Specifications: fan power 100W, wind speed in the wind tunnel 3+0.3m/s, anemometer range 0~10m/s, shipping size 1000*300*360mm, shipping weight 20KG, controller size 240*210*110mm, up to standard GB/T9779-88
	Modern Environment GZY-2 Drying Time Recorder
	Specification parameters: the number of needles is 6, the stroke is 304.8mm, the track cycle is 3/6/12/24/48h, the input voltage is 220V 50Hz, the overall size is 490*220*130mm, the weight of the whole machine is 8kg, the glass sheet size is 23×340mm, The stylus holder can hold ball or pointed scribing needles with outer diameter ≤ φ2
Environmental testing - temperature and humidity control
	Aoke GDJS-50A high-low temperature alternating damp heat Test Chamber
	Specification parameters: temperature control range -20~150°C, temperature fluctuation ≤±0.5°C, temperature uniformity ≤±2°C, humidity control range 30~98%RH, power supply voltage AC380V, studio size 320*350*450mm, Dimensions 950*870*1420mm, humidity uniformity +2%-3%RH, humidity fluctuation ±2%, power 3~15KW
	Tester HWS-150B constant temperature and Humidity Chamber
	Specification parameters: temperature control range without humidification: 0~65°C; with humidification: 10~65°C, temperature resolution 0.1°C, temperature fluctuation high temperature: ±0.5°C; low temperature: ±1°C, temperature uniformity ±1°C, Humidity control range 45%~90%RH, humidity deviation ±5%, input power 1.0KW, power supply voltage AC220V/3.6A 50/60Hz, studio size 500*400*750mm, overall size 640*620*1260mm, load Brackets (standard configuration) 2 pieces, studio volume 150L, forced convection, studio material mirror stainless steel plate, exterior cold-rolled steel plate, surface chemical resistance coating, heat insulating material polyurethane, heater stainless steel heating tube, compression Air-cooled hermetic compressor, refrigerant R134A, manual defrosting structure, automatic humidity control mode, one lead hole with an inner diameter of 52mm, one external controlled external power supply, temperature control mode with 30-segment LCD programs, and temperature setting mode with touch Button setting, temperature display method Measured temperature display: LCD upper display; set temperature display: LCD lower display, timer 0~99.9h*30 (with timing waiting function), running function Fixed value operation, timing operation, automatic stop /Scheduled start, program running, standard configuration of program mode, additional function deviation correction, menu key lock, power failure compensation, power failure memory, sensor PT100, safety device overheating alarm, overload protection, partition load-bearing 15kg, partition layers 9 layers , the distance between the partitions is 60mm, the net weight is 86kg, the gross weight is 106kg, 4 pieces of partition frames, the outer packaging size is 790*770*1380mm
Mechanical Properties - Strength
	Puyun Electronics PY-H620-800 Microcomputer Compressive Strength Tester
	Specification parameters: force value range 1T, measurement size 800*600*800mm, force value resolution 0.01N, deformation error ≤±1mm, test force test range 0.4%~100%FS, pressure plate parallelism ≤1mm, sensor error range ±1%, stepless adjustable pressurization speed 5~300mm/min, return speed 100mm/min, compressive strength 10±3mm/min, stacking strength 5±1mm/min, unit interchangeable N/Lbf /kgf, data Analysis 7in touch screen, with curve analysis, thermal printing integrated, with curve analysis chart printing, test function compressive strength measurement, stacking strength measurement, fixed value strength measurement, compression displacement strength measurement, working environment temperature (20±10 °C), humidity <85%, external dimensions 1000*800*1300mm (length*width*height), power supply voltage 220V, 50HZ, suitable for food, electronic packaging boxes, etc., platen size 800*800mm
Raw Material Performance Testing - Density
	Xiongfa MDJ-300S Solid Density Meter
	Specifications: weighing range 0.005~300g, density accuracy 0.001g/cm³, data interface RS232C, in line with standards GB/T533, ISO2781, ASTMD297-93, DIN 53479, ASTMD792, D618, D891, ISO1183, GB/T1033, ASTM D792 -00, JISK6530, ASTM D792-00, JISK6530 standard
General Laboratory Equipment - Electrochemistry
	Lei Magnetic PHBJ-260F Portable pH Meter
	Specification parameters: instrument level 0.001, measurement parameters pH value, mV (ORP), temperature value, mV range mV range, mV minimum resolution 0.01mV, mV electronic unit indication error ±0.03% or ±0.1mV, pH range pH Range, pH minimum resolution 0.001pH, pH electronic unit indication error ±0.002pH, temperature range temperature range, temperature minimum resolution 0.1 ℃/0.1°F, temperature electronic unit indication error ±0.1 ℃, rechargeable lithium battery for power supply , power adapter (input: AC100~240V, output: DC5V), size, weight 90×255×40mm, 0.5kg
Mechanical Properties - Adhesion
	Tiandi Xinghuo XH-6000N bond strength Tester
	Specification parameters: measuring range 6KN/0-3.75MPa, resolution 0.001KN/0.001MPa, drawing stroke 10mm, accuracy ≤±1%, weight 1.8kg

The above are the instruments that can be used to test the physical and chemical properties of outdoor steel structure fireproof coatings, for reference only. As for the testing technical indicators stipulated in the GB/T14907 standard, you can enter the North and South Tide Standard Library for detailed reading.