Standard Structural washer din6916 Grade Din6916 Size M12-m36 Surface treament Black, zinc plated, zinc (yellow) plated, h.D.G. Etc.
Standard Structure washer f436 Grade F436 Size 1/2'' to 1 1/2'' Surface treament Black, zinc plated, zinc (yellow) plated, h.D.G. Etc. Material 45kc
Caigang phenolic composites duct eight characteristics: 1, low thermal conductivity, high thermal efficiency; 2, small density, light weight, fire, no dew; 3, sound insulation, earthquake resistance, flame retardant, energy saving; 4, high standard color plate, anticorrosive health beautiful and convenient cleaning; 5, closed cell foam, waterproof and insulation; 6 and the best air tightness, good quality; 7, simple construction, convenient maintenance; 8, high strength, long service life, economical and practical, low comprehensive cost.
1-ethylimidazole 7098-7-9 C5h8n2 96.13 Faint yellow to colorless transparent liquid =98.0% Used as pharmaceutical material, or organic synthesis 200kg/barrel
Metronidazole 443-48-1 C6h9n3o 171.16 White or yellowish crystal or crystalline powder 95-105%(uk) 93-107%(china) Anti-amebic, antitrichomonal drug and anti-anaerobe drug 25kg/carton drum
Smart shaker bottle Volume:400/600ml Plastic: pp Moq:3000
Prostak shaker bottle Volume:500ml Plastic: pp Moq:3000
Pet bottle Plastic: pet Moq:10000
Tritan plastic water bottle Plastic: tritan Moq:10000
Plastic drinking water bottle Materail: plastic Moq:10000
Specification: 25 kg/bag
Specification: 25 kg/bag
Specification: 25 kg/bag
Scope Automatic opening flash point tester is based on ASTM D92, GB / T3536 standard "of petroleum products of flash and fire assay (Cleveland open cup method)" provides design and manufacture. Using liquid crystal screen full English human-machine interface, automatic movements, menu-guided input, advanced technology, simple operation, high technology, it is the ideal alternative products imported products. Features 1, large-screen LCD, with full English operating software prompts; 2, with a test date, test time and other parameters are prompted; 3, automatically correct atmospheric pressure and calculate the correction value; 4, innovative introduction of imported XECOM US data processing chip, fast and accurate data processing; 5, automatic heating, automatic sweeping fire, automatic discrimination results automatically print the results; 6, automatically cut off the end of the experiment originated, to protect the safety of the laboratory; 7, circuit safety measures adopted Friend designed to avoid affecting current or voltage changes caused by the instrument; Technical Parameters 1 Power supply: AC 220V ± 10%, 50Hz 2, range: room temperature ~ 400 ?; 3. Repeatability: =4 ? 4, reproducibility: =6 ? 5, the resolution of: 0.1 ? 6, heating rate: in line with standard; 7, Ignition: electronic ignition, gas flame. 8, to adapt to the ambient temperature: 10-40 ? 9, to adapt to the environment humidity:
Scope This equipment according to GB/ T507 and industry standards DL429.9 national standard GB designed and manufactured, using a special software and hardware anti-jamming technology, can work in strong magnetic field environment, widely used in electricity, oil and scientific research departments . Features 1. The instrument uses a microprocessor, three cups of whole, auto-complete boost, hold, stirring, static discharge, calculate, print and other operations, oil circulation pressure test can be carried out within 0-80KV range. 2, large-screen LCD, English menu, easy to operate. 3, this instrument is simple to operate, the operator simply simple setup, the instrument will automatically complete the 1-3 oil sample pressure test in accordance with the setting. Each oil sample, each cycle of breakdown voltage and frequency are automatically stored, after completion of the test, a thermal printer can print out the voltage value of each oil sample breakdown various times and average. 4, retentive, it can store 100 test results and can display the current ambient temperature and humidity. 5, using SCM control uniform boost, voltage frequency accuracy of 50HZ, making the entire process easy to control. 6, overvoltage, overcurrent, limit and other protection to ensure the safety of the operator. 7, having a temperature measuring and display function displays the system clock. Technical Parameters 1, the test voltage: 0-80KV (optional) 2, the voltage distortion:
Automatic surface tension meter surface tensiometer Scope The method in accordance with the requirements of GB6541, with a new technology designed a new generation of Instron. The sample temperature can be precisely controlled, accurate measurement of a variety of liquid surface tension of water and mineral oil interfacial tension. Features 1, the instrument uses digital display, keyboard operation 2, the instrument uses a single-chip process control, automatic detection 3, instrument configuration automatic calibration procedures and calibration weight, easy to handle 4, instrument with integrated design, easy maintenance Technical Parameters 1, the display method: digital display 2. Measuring method: ring method 3, measuring range: 5 ~ 95mN / m 4, the moving speed: Fast: 1mm / S 5, slow speed: 0.3-0.4mm / S 6, sensitivity threshold: 0.1mN / m 7, Accuracy: ± 0.5mN / m 8, the power supply voltage: 220V ± 10%, 50Hz ± 5%
Scope Lubricant foam performance tester is based on national standards GB / T12579 design and manufacture of the provisions for the determination of anti-oil, lubricating oil, gear oil, hydraulic oil, the oil tends to foam formation and the degree of stability. Features 1, the instrument uses a high-precision digital display temperature control mode, with high precision temperature control, intuitive display 2, FDT foam properties with automatic temperature control, automatic timing, air source and the gas flow centralized control system, easy to operate 3, high technology, and is equipped with a digital electronic timing function 4, the instrument uses split, integrated portfolio, easy to move 5, configure a dedicated refrigeration system to meet the needs of low-temperature experiments 6, instrument configuration i dedicated environmental air pump system, no external gas source Technical Parameters 1, power supply voltage: AC220V ± 10% 50Hz 2, FDT foam properties thermostatic bath temperature: 24 ? 93.5 ? 3, the heater power: 2500W (93.5 ? bathtub) 800W (24 ? bath) 4, temperature measurement devices: platinum resistance (PT100) 5, the gas diffusion head diameter: 25.4mm ± 0.02 6, diffuser air permeability: at 2.4KPa (250mmH O) pressure is 3000 ~ 6000mL / min 7, experimental cylinder specifications: 1000mL (special cylinder)
Scope Petroleum products and additives mechanical impurities analyzer is based on national standards gb / t511 "petroleum products and additives mechanical impurities assay (gravimetric method)" requirements set designed for the determination of various types of light petroleum products, heavy oil, content lubricants and additives mechanical impurities. Features 1. Preheat take the test integrated structure design, reasonable structure, beautiful appearance, reliable quality. 2, the circuit temperature controller to control electric heating plate temperature, thermostat controlled heating plate temperature, in order to meet the test needs. 3, the use of solid state voltage regulator input voltage insulation funnel to control the size of the heating power to achieve the required temperature insulation funnel purposes. 4, filtration devices connected by a vacuum pump and suction flask, adequate protection of the measurement sample is difficult to filter. Technical parameters 1 power supply: ac 220v ± 10%, 50hz. 2, water bath heating power: 1000w. 3, the water bath temperature range: room temperature within ~90 ? adjustable. 4, the water bath temperature display: led digital display. 5, water bath temperature control accuracy: ± 1 ?. 6, the funnel temperature range: room temperature within ~90 ? adjustable. 7, the funnel temperature display: led digital display. 8, the funnel temperature control accuracy: ± 2 ?. 9, dimensions: control box 390 (length) × 260 (width) × 590 (h); Water bath 90 (l) × 290 (width) × 370 (high). 10, ambient temperature: =35 ?. 11, relative humidity: =85%. 12 total power consumption: less than 1200w.
Scope This instrument conforms to sh / t0093 and astm d2276 m1l-t-5624n standards. It can detect contaminants propellant solid particles. Under specified conditions, the samples were filtered glass sand core filtration devices, increase the weight on the microporous membrane filters is the total sample contaminants. Features 1, the instrument for the desktop, stainless steel control panel, ceramic coating; 2, digital timer, fengming alarm; 3, the evacuation time can be set arbitrarily; 4, low noise pump; 5, the standard glass fittings, conforming to astm standards; 6, using molding and metal clamp; Technical parameters 1. Filter: vacuum pumping 2, vacuum degree: 80kpa 3, machine power: 500w 4, the working units: a standard filtration system 5 power supply: ac220v / 50hz 6. Timing: digital timer
