Category: Chemistry
Showing 1–16 of 112 results
1/2x 0.8mm 1Kg ER70S-6 / ER50-6 Carbon Machine Steel Gas Shielded Welding Wire
$59.56ChemistryAdd to cartDescriptionWhen welding, the welding wire has fast melting speed, stable arc, less welding spatter, beautiful weld bead formation, strong anti-oxidation and corrosion resistance, low sensitivity of cladding metal pores, and good all-position welding process.Uses:GF is used in large-scale hydraulic steel structures, ships, power stations, boilers and pressure vessels, petrochemicals. Welding of 600Ma very low alloy …
1/2x 0.8mm 1Kg ER70S-6 / ER50-6 Carbon Machine Steel Gas Shielded Welding WireRead More
1/35 Stainless Steel AFV Digital Camo Spray Template Stenciling Leakage Spray Mould
$14.16ChemistryAdd to cartSpecificationMaterial:Stainless steelColor:Stainless steelPattern:Modern AFV Digital CamoScale:1/35Size:8x8cmApplication:Gundam model toolFeatures Stainless steel material, not easy to rust Long life and durable Easy to usePackage include 1 x Spray Template
1/4 inch Exhaust Seal Valve for Home Brew Fruit Wine Alcohol Distiller Part
$16.19ChemistryAdd to cartDescription1/4 Inch Exhaust Seal Valve Distiller Part is suitable for Home Brew Fruit Wi ne Alcohol.SpecificationColor:TransparentMaterial:Metal+PlasticFit for:Alcohol DistillerWeight:46gSize:53*210mmConnector:1/4inchPackage included1 x Exhaust valve
10 OZ Graphite Crucible ingot Bar Combo Mold for Silver Gold Melting Casting
$38.46ChemistryAdd to cart10 OZ Graphite Crucible Ingot Bar Combo Mold For Silver Gold Melting CastingDescritpionMaterial:graphiteSize:72X57X12mm/2.83inch X2.24inch X0.47inch(L*W*H)Slot depth:4/3/1.5mmCasting Cavity Capacity:10ozGraphite IndicatorBulk densit ≥1.82 g/cm3Electric resistivity ≥9 μ Ω mBending strength ≥45 Mparesist compression ≥65 MpaAsh ≤0.1 %particle ≤43 um(0.043 mm)FeatureGold graphite ingot moldMade from high density fine grain graphiteSet multi casting capacity in one moldPerfect for gold …
10 OZ Graphite Crucible ingot Bar Combo Mold for Silver Gold Melting CastingRead More
1000 x 2.0MP Magnifier USB Digital Electronic Microscope 4.3 inch LCD Display
$147.81ChemistryAdd to cartSpecificationsModel Name:DM4Screen size:4.3 inch high screenSensors:high performance optical wafersMain control chip:special master control 16Bit DSPLensoptical size:1/6.5inchPhoto resolution:VGA; 1.3 M; 2 M; 3 MVideo resolution:VGA; 720PData format:JPG/AVIFocus mode:Manual operationPicture format:JPG/BMPMagnification times:1000Light source:8 LED lights (adjustable brightness)Focus range:10~40mm(to watch the distant view)PC resolution and image transfer rate:640*480/26fps ,1280*720/26fpsWhite balance AutomaticExposure AutomaticPC operating system:for Windows xp, for win7,for …
1000 x 2.0MP Magnifier USB Digital Electronic Microscope 4.3 inch LCD DisplayRead More
1000X 8 LED Light Adjustable Dimmer Practical Digital Microscope
$31.94ChemistryAdd to cartSpecification-Color:Black-Size:112*33mm(4.4*1.29 inch)-Controller:High-speed DSP-Interface:USB-Flash control:50Hz/60Hz-Best video resolution:1600*1200-Magnification:1000X-LDE lamp:8LED-Image format:JPEG/BMP-Video format:AVI-Support system:windows-Hardware requirements:Petium and above, 20M hard disk, CM ROM -drive, 128MB memory, Direct X VGA card-Computer interface:USB2.0&USB1.0-Software compatibility:TWAIN/VFW, etc.Features-8 LED Light ,Photo button can quickly capture pictures for easy operation-Equipped with 360-degree rotating stand, accurate inspection effect-Industry:Inspection and inspection of PCB circuitboard, precision -machinery, printing, SMT …
1000X 8 LED Light Adjustable Dimmer Practical Digital MicroscopeRead More
100PCS Rugged Wooden Commemorative Coin Display Case Capsule Holder Storage Collection Box
$64.79ChemistryAdd to cartSpecificationMaterial:Solid woodSize:28x19x4.5 cmCapacity:100 pcsApplicationCommemorative coin collectionFeatures-Adjust the excess gasket by the diameter of the commemorative coin, and the applicable specifications are wider.-Large capacity, store 100 commemorative coins.-Solid wood, sealed with aprons, double protection, resistant to oxidation.Package Include1 x Wooden Box1 x Tote Bag100 x Round Box100 x Gasket
10Pcs 2.2inch Plastic Mesh Net Basket Hydroponic Aeroponic Flower Container Grow Pot Planting Basket
$14.16ChemistryAdd to cartSpecification Material:Plastic Height:55mm Weigh:3gThe upper edge of the outer diamete:55 mmThe outer diameter:48 mmThe lower end of the outer diameter:33 mmFeatures1.Good permeability:these net cups are designed with slotted mesh, can promote a more efficient plant growth through aeration.2.Growing by its own way:net pot with holes in the bottom, produce healthy roots with even drainage, which …
11inch Human Body Model Torso Anatomy Doll 15 Removable Parts Skeleton Visceral
$65.80ChemistryAdd to cartFeatures28cm Human Torso Viscera Heart Brain Skeleton Model with 15 Parts Removable for School Teaching Kit, placed on a plastic base for easy observation, detachable torso anatomy model with enough details,teaching and research15 parts:Including torso, brain(2 parts),heart, esophagus trachea and aorta, lung (4 parts), skull cap,stomach, diaphragm, liver, pancreas and spleen, intestine.A total of 15 …
11inch Human Body Model Torso Anatomy Doll 15 Removable Parts Skeleton VisceralRead More
12 Holes Soilless Cultivation Hydroponic Box Solar Power Flower Plant Site Hydroponic System Pump Equipment
$70.67ChemistryAdd to cartSpecificationsMaterial:PPColor:MulticolorType:12 HolesSolar Panel Power:7V 1.5WPump Power:7V 1.2WMax Flow:200L/HMax Water Height:70cm /27.56′(appr.)Life Time:≥10000 hoursDelay:≤3s(the pump will automatically restart within 3 seconds when the sun is shining)Solar Panel Size:(L)X(W) 11x11cm /4.33’x4.33′(appr.)Hydroponic Box Size:(L)X(W)X(H) 38x28x14cm /14.96’x11.02’x5.51′(appr.)Features Solar panel powered water hydroponic system grow box with bump The overall sense of strong, elegant and beautiful shape, conducive to a …
1200x Early Childhood Science Toy Biological Microscope LED Student Microscope
$30.36ChemistryAdd to cartSpecificationMaterial:Acrylonitrile Butadiene Styrene (ABS)Color:blackMagnification:1200XSize:22x13cmBattery:2xAA (Not included)Light source:LEDConverter:Three-hole camberFeatures Safety, intelligence, health Complete product functions, easy to operate Clear imaging and practical With LED light A good choice for learning, playing together, children’s toysApplication:Student microscope (5-12 years old)How to use (Instructions)Instructions1. Insert the battery and turn on the power switch.2. Turn the focus knob counterclockwise to …
1200x Early Childhood Science Toy Biological Microscope LED Student MicroscopeRead More
125Pcs Organic Chemistry Molecular Structure Medical Model Kit General & Organic Molecule Atom Bonds Student Set
$44.54ChemistryAdd to cartDescriptionThis set includes 125 pieces of durable and fine quality plastic components, virtually indestructible, and come in a sturdy plastic case for storage.SpecificationModel:TW-1 Material:PP (atomic), LDPE (connection key), ABS (box)Link Length:Short, Medium, LongFeaturesThe organic chemistry curriculum, the organic molecular structure model, stick type molecular structure model, can take a variety of common and more complex …
136Pcs Chemistry Molecular Structure Model Kit General & Organic Chemistry Atom Bonds Molecules Medical Set
$44.54ChemistryAdd to cartDescriptionThis set includes 136 pieces of durable and fine quality plastic components, virtually indestructible, and come in a sturdy plastic case for storage.SpecificationModel:ZX-1032Material:PP (atomic), LDPE (connection key), ABS (box)Link Length:Short, Long, ProportionFeaturesThe organic chemistry curriculum, the organic molecular structure model, stick type molecular structure model, can take a variety of common and more complex C, …
15Pcs Large Microwave Kiln Kit Glass Fusing Kit DIY Jewelry Art
$218.69ChemistryAdd to cartSpecificationKiln material:Ceramic FibreGlass:coe90Kiln SizeInner Dia.:13.5cmInner Height:4.5cmOuter Dia.:19.5cmOuter Height:11cmFeature– Safe, the max temp of the kiln inside could be very high, but the outside temp is below 80℃.– Easy to use, making craft at home with your microwave oven– Creat your unique jewelry, very cool gift for your families and friends~Notice1.The kiln paper is necessary. Please …
15Pcs Large Microwave Kiln Kit Glass Fusing Kit DIY Jewelry ArtRead More
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3Pcs CJMCU-219 INA219 I2C Bi-directional Current / Power Monitor Sensor Module
$24.62Sensor & Detector ModuleAdd to cart3Pcs CJMCU-219 INA219 I2C Bi-directional Current / Power Monitor Sensor ModuleDescriptionCJMCU-219 module is a with I2C interface Bidirectional current / power monitor integrated circuit (IC), and further expand the energy-saving electronic products TI camp. INA219 with the industry’s highest accuracy and smallest size, not only to monitor the voltage drop across a shunt resistor on …
3Pcs CJMCU-219 INA219 I2C Bi-directional Current / Power Monitor Sensor ModuleRead More
GDCPH 16V83F Super Farah Capacitor Automotive Electronic Rectifier 2.7v500F Screw Hole Large Capacity Capacitor
$90.34Electronic Accessories & SuppliesAdd to cartDescriptionThis product can be used in electronic devices such as:RAM, smart three-meter, motor drive, clock circuit, toys, CMOS power failure protection, digital camera, hand-cranked rechargeable flashlight, PDA and other fields as a backup power supply.SpecificationBrand:GDCPHModel:16V83FCapacity:83FRated voltage:16 VSize:231*35*65mmPitch:7mmPackage included1 x capacitor
5pcs PWM DC Motor Governor 5V-16V 10A Speed Switch LED Dimmer Speed Controller
$22.64Motor PWM Speed ControllerAdd to cartParameterMaximum voltage:16VMinimum voltage:5VContinuous current:10AShort circuit maximum current:20A (less than 10 seconds)Speed control mode:PWM stepless speed regulation, can also be used to adjust the lightControl mode:speed control potentiometer (clockwise open, continue to rotate clockwise from 1% to 99%)Duty cycle:0%-99% (0% position is the leftmost state of the potentiometer).When the current is on, 0.002A (there is no …
5pcs PWM DC Motor Governor 5V-16V 10A Speed Switch LED Dimmer Speed ControllerRead More
3pcs 7W 9W 12W 15W LED Non Isolated Modulation Light External Driver Power Supply AC90-265V Constant Current Thyristor Dimming Module
$17.33Driver ModuleAdd to cartSpecificationsInput voltage:AC90-265VOutput voltage:DC21-48VOutput current:300mA(adjustable)Product size:68*34*22mmWorking temperature:Ta:50 TC:75Efficiency:≥80%Power factor:0.6Product application:spotlight PAR light / bulb light / candle light / etc.Package Included3 x 7W 9W 12W 15W LED Non Isolated Modulation Light External Driver
5Set Mini Emergency Hand-cranked Dynamotor Charger Portable Hand-cranked Generator 3V 5V for Diy Electronic Production with Clip Lines
$37.08Electronic Accessories & SuppliesAdd to cartDescriptionUnderstand the gear’s speed-increasing transmission conversion and the principle of electric energy generation, and cultivate the manual and brain skills, which is very suitable for manual classes in schools or for adults and children to play together!When shaking slowly for one second or more, the generating voltage can easily reach 3V, and it is easy …
APPJ Single End 6J1 + FU32 Tube Amplifier Board Class A Power AMP Hifi Vintage Audio Assembled Board
$182.24Amplifier BoardAdd to cartNew update:The appearance is updated from March 6, 2021.SpecificationsAssembled, solder freeDriver tubes:6J1x2PCSPower tubes:FU32x2PCSPower output:3W+3W @8ohmFrequency response:30-40KHz(+-1dB)Input sensitivity:550mVSignal-to noise-ratio:-80dB/3WInput power:85-264VACPower consumption:40WInput impedance:10K ohmOutput impedance:16ohm,8ohm,6ohm,4ohmPackage dimension:12*21*17cmPackage weigth:1.5KGNoteThe self-made shell must be opened with sufficient heat dissipation holes, preferably 50% of the shell area, at least 30%, otherwise it will affect the service life.Package Included1 x End 6J1 …
Caturda C2707 4Channel I2C interface Current Voltage Power Monitoring Module for Raspberry Pi
$39.03Raspberry Pi & Orange PiAdd to cartSpecificationsCurrent and power monitor for Raspberry Pi, 4 channels, can monitor the current, voltage, power and voltage across the sampling resistor through the I2C/SMBus interfaceFeaturesRaspberry Pi 40pin GPIO Interface, fit for Raspberry Pi all SeriesSupport 4 Channel I2C/SMBus CommunicationOnboard 1ohm 1% Resistance.Monitor 3.2A Bidirectional current12bit ADC Measuring 0-26V VoltageWorking Voltage:3.3V/5VInterface:I2C/SMBusResistance:1ohm 1%Voltage Range:0-26VCurrent:÷3.2ASize:65mmx30mmPackage Included1* Monitoring Module