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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10pcs MAX9814 High Performance Microphone AGC Amplifier Module CMA-4544PF-W
$90.79Amplifier BoardAdd to cartSpecifications– Supply Voltage:2.7v-5.5v @ 3mA current– Output:2Vpp on 1.25V bias– Frequency Response:20Hz – 20KHz– Programmable Attack and Release Ratio– Automatic gain, selectable max from 40dB, 50dB or 60dB– Low Input-Referred Noise Density of 30nV/– Low THD:0.04% (typ)– Low Power Shutdown Mode– Built-in 2V low-noise microphone bias– -40°C ~ +85°C extended temperature rangePackage included10 x Microphone …
10pcs MAX9814 High Performance Microphone AGC Amplifier Module CMA-4544PF-WRead More
T-AMP 2 x 15W TA2024 Digital Audio Amplifier Board Mini AMP
$19.04Amplifier BoardAdd to cartFeature1. The power to more than 12V current 3A2. The speaker is best to use an impedance of 4 ohms, some of the high sensitivity3. For some signal level is relatively low tone, to add the preamplifier to play the effect4. Note the positive and negative can not be reversed, use the power supplyElectrical CharacteristicsIts …
T-AMP 2 x 15W TA2024 Digital Audio Amplifier Board Mini AMPRead More
Mega 2560 R3 ATmega2560-16AU Control Module without USB Cable
$44.54Motherboard & Development BoardAdd to cartDescriptionThis is compatible R3 Mega2560 ATmega2560-16AU control board without USB cableMega is an ATmega2560 as core microcontroller development board itself has 54 groups digital I / O input / output terminal (14 groups do PWM outputs), 16 sets of simulation than the input side, group 4 UARTs (hardware serial ports), using the 16 MHz crystal …
Mega 2560 R3 ATmega2560-16AU Control Module without USB CableRead More
20W 420*380*3mm Folding PET Monocrystalline Silicon Solar Panel with Cable Dual USB
$93.62Smart Robot & Solar PanelAdd to cartSpecificationsMaximum Power(Pmax):20WOpen Circuit Voltage(Voc):18VMaximum Power Voltage(Vmp):12vMaximum Power Current(Imp):1.1AMaximum System Voltage(Imp):1000vOutput:USB 5V & DC 18VQuantity of cell:36Cell Effcience %:20%Output Tolerance:±10%Size:425*380*3mmStandard Test Conditions:Irradiance 1000w/m2Temoerature 25.C,AM=1.5Package Included1 x Solar panel with cable
5pcs 8Channel DC 5V RS485 Modbus RTU Control Module UART Relay Switch Board PLC
$45.10Relay ModuleAdd to cartDescriptions– Operating Voltage:DC 5V(5V Version)– Operating Current:10-15MA– inchopeninch inchcloseinch inchMomentaryinch inchSelf-lockinginch inchInterlockinch inchDelayinch 6 Commands– Two instruction-control mode:AT command and MODBUS command– Under the AT command ,the maximum delay is 9999 seconds– Under the MODBUS command ,the maximum delay is 255 seconds– AT commands can be made serial HyperTerminal (serial assistant) Enter;– MODBUS commands can …
5pcs 8Channel DC 5V RS485 Modbus RTU Control Module UART Relay Switch Board PLCRead More
LT1083cp 7A AC 35V Rectifier Filter Power Supply Board DIY Home theater Sound Amplifier Voltage Regulator
$24.04Power Supply ModuleAdd to cartDescriptionLT1083CP feature description (emphasis):It is a linear step-down block. Although the voltage adjustment can be adjusted from 2.5V to 37V, it is recommended that the working differential pressure is within 10V, because the power consumption is proportional to the differential pressure, the greater the differential pressure, the more heat The larger the output current, the …