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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Cross-Section of Geometric Solids Exploring Geometry Manipulatives Mathematics Game Toys
$16.19MathematicsAdd to cartSpecificationMaterial:PlasticColor:Random ColorWeight:90gCube:(L*W*H) approx 4*4*4cm/ 1.57*1.57*1.57 inchCylinder A:(Dia*H) approx 3*3*6cm/ 1.18*1.18*2.36 inchCone:(Dia*H) approx 3*3*5cm/ 1.18*1.18*1.96 inchSphere:(Dia) approx 3cm/ 1.18 inchFeatures1.Shapes including cubes, cylinders, pyramid, sphere, cone, and various Cross-sections model.2.Cross-section of Geometric Solids Experiment set, kids math geometry manipulatives.3.Explore shape, size, pattern, volume and measurement with these invaluable hands-on tools.4.Opened and clear plastic geometric solids, easily …
Cross-Section of Geometric Solids Exploring Geometry Manipulatives Mathematics Game ToysRead More
2Pcs 20W 16V 1.25A Monocrystalline Silicon Rear Junction Box Solar Panel + 4 x Spring + Cables
$107.51Smart Robot & Solar PanelAdd to cartFeatures– The two pieces of the product are connected in parallel. Spring connection, support multiple pieces of DIY parallel connection. Mounting holes are provided on each solar panel.– Suitable for 12V batteries. Support 12V output, suitable for 12V battery charging.– High efficiency, conversion rate of 19-20%– Flexible, suitable for surface mountingSpecificationsType:Flexible solar panelMaterial:Monocrystalline siliconExpand:420*385*2.5mmFolding:420x190x2.5mmWorking temperature:-40° …
3pcs D1 Mini Lite V1.0.0 WIFI internet of Things Development Board Based ESP8285 1MB FLASH
$23.13Smart ModuleAdd to cartFeatures11 digital input/output pins, all pins have interrupt/pwm/I2C/one-wire supported(except D0)1 analog input(3.2V max input)a Micro USB connectionCompatible with 1MB Flash500mA resettable fusePackage included3 x WEMOS D1 mini Lite3 x 2pcs Normal pin
3pcs 315MHZ Wireless Transmitter Receiving Module ASK DC 9V-12V EV1527 Remote Control Switch Board
$11.69Smart ModuleAdd to cartTechnical requestProduct model:ZF-2 (with code)Transmission frequency:315MHZWorking voltage:DC 9V ~12VModulation method:ASKQuiescent current:0uAWorking current:8~10mACoding type:learning code (EV1527)Radiated power:10~15mWShooting distance:100-200 meters (receiver sensitivity -108dBm)Volume:26.3mm*23.3mm*9mmPIN:NAME:Function1:ANT:RF signal input pin, this pin needs to be connected to the antenna2:12V-:DC power supply negative input pin3:12V+:DC power supply positive input pinRated parameter:Symbol:ValueDC power supply:VDD-VSS:9V-12VStorage temperature range (TS):TSTG:-12°C to 75°CWelding temperature:+260°CPackage includes3 x Receiving …
5Pcs Geekcreit ESP8266 ESP-01 ESP-01S WS2812 RGB LED Lamp Module Support for IDE Programming
$11.37Expansion Board & ShieldAdd to cartFeatureThis is a WS2812 RGB LED control module based on ESP-01 / 01S. With it, you can easily control the WS2812 light bar / light ring. DIY own lighting control system. Support for Ard uino IDE programming.Characteristic* Master:ESP-01 / ESP-01S (This module does not include ESP-01 / ESP-01S)* Control Pin:GPIO2* Interface:3Pin PH2.0 connector* Operating Voltage:DC …
DD30CRTA 3A 12V 1-1000AH Lead-Acid Battery Accumulator Storage Cell Charger Charging for UPS Car Solar Motorcycles Electric Vehicles
$15.30Power Supply ModuleAdd to cartSpecificationsPower supply voltage:15-28VDC(Recommended 16-25VDC)Over Charge Voltage is 14.8VFloat Charge Voltage is 13.55VMaximum charge current:3AQuiescent current:about 1.8mAHigh PWM Switching Frequency:300KHzOperating Ambient Temperature:-40→ to +85→Size:66 x 20x 12mmWeight:9gApplicationsCar battery chargingSolar battery chargingMobile LoadspeakerLead-Acid Battery ChargerElectric Bicycle ChargerUPS Portable Industrial and Medical EquipmentStandalone Battery ChargersFeaturesFixed Over-Charge VoltageOvercurrent protectionAutomatic Conditioning of Deeply Discharged BatteriesAutomatic RechargeCharger Status IndicationBattery Overvoltage ProtectionSuitable …