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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12pcs DC3-6V Dual Axis L-Type TT Motor DC Geared Motor for Car
$43.70Smart Robot & Solar PanelAdd to cartSpecificationsRatio of 1:120Working voltage:3V ~ 6VNo-load current voltage:6V ≤250mA , 3V ≤160mA No-load speed:250 ± 10% rpm @ 6V , 110 ± 10% rpm @ 3VWith dual axisPackage Included12 x TT motor
13Pcs 100R-1M Each 1 3362 Potentiometer Package 3362P Adjustable Resistor
$6.55Electronic Accessories & SuppliesAdd to cartDescription3362 potentiometer package Adjustable resistance package 100R-1M Each of 13 total.100R (101)200R (201)500R (501)1k (102)2k (202)5K (502)10K (103)20K (203)50K (503)100K (104)200K (204)500K (504)1M (105)Package included13 x 100R-1M 3362 Potentiometer
GT-24 Digital Wireless Module 2.4G NRF24L01 PA LNA industrial Grade 1100M Long Distance with Welding
$10.92Smart ModuleAdd to cartSpecificationModel:GT-24Module size:30.3 * 14.5mm (including PCB antenna)Operating frequency band:2.4GHz ~ 2.525GHz (adjustable, 1MHz step)Interface mode:1*8*1.27mm/2*4*2.54mm (The patch can also be used with the universal board and DuPont line)Supply voltage:DC 2.0-3.6V (Note:above 3.6V, the module will be permanently damaged)Communication level:0.7VCC ~3.3V (VCC refers to the module supply voltage)Measured distance:1000m (clear open space, maximum power, height 2m, …
Full SMD Welding Practice Board Kit SMD Lucky Turntable Flow Lamp DIY Soldering Skill Training Parts
$46.53DIY Electronic KitsAdd to cartFeaturePower supply voltage:5V DCBoard size:80*60mm Board thickness:1.6mmBoard material:Standard plate, all pads are tinned, fireproof and anti-powder materials, can be disassembled repeatedly.Net weight:24gNoteThis product is a spare part, and the buyer needs to weld and assemble it by himself. (instruction not includes)Package includes1 x DIY KIT
HBV-1822 8 Million Pixel Camera Module 8MP Auto Focus Lens USB Camera Board with UY2/MJPEG Output format
$71.06Other Module BoardAdd to cartSpecificationsModel No.:HBVCAM-1822Model Size:38mm ≠ 38mm ≠ 6.75mm÷0.2MMTemperature (Operation):-30C to 70CTemperature (Stable Image):0C to 50CAssembly technique:SMT (ROSH)Focus:AutoObject distance:30CM-infinitResolution:800LW/PH (Center)PCB printing ink:Blackinterface:USB 2.0Power supply:USB bus powersupply voltage:DC 5V÷5%Maximum Power consumption:1000 mWOperating system request:Win XP/win 7,8 / vista /android 4.0/ mac /Linuxwith uvc Sensor:IMX179 (1/3.2” )Seneor Package:CSP,Bare DieMaximum resolution:3264*2448Sensitivity:700mv /(lux-sec)Pixel Size:1.4┢m x 1.4┢m Maximum Image Transfer Rate:MJPEG 640×480 …
TPA3255 2.0 Digital Amplifier Board DC50V Strong High Power 300W + 300W Class D Digital Amplifier Board
$109.31Amplifier BoardAdd to cartProduct DescriptionModel:TPA3255Work:Class DQuiescent current:60mAWork efficienc:more than 90%DC 35-50V (can not exceed 50V)The current need more than 7.5AFrequency response:20Hz to 20KHzDynamic range:more than 100 dBSignal to noise ratio:(SNR) more than 111dBOutput Power315W / 4 ohm, distortion 10%185W / 8 ohm, distortion 10%260W / 4 ohm, distortion 1%150W / 8 ohm, distortion 1%Operating voltage:DC 50VColour:picture colorMaterial:ABSSize:149 x …
0.36 inch 4-digit LED Display Module TM1637 Driver Tube
$6.55LED BoardAdd to cartFeatureThe 4-digit LED Display Module integrates a 0.36′ 4-Digit 7-Segment Display Common Anode with 12 pins. It uses the driver chip TM1637.The module has 4 control pins of 2.54mm pitch, which can direct connect to microcontroller with jumper wires.So it’s very easy to control the matrix without tons of wiring. Available to make microcontroller control …
0.36 inch 4-digit LED Display Module TM1637 Driver TubeRead More