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
Customers Also Viewed
WEAH-307 3 Way Audio Speaker Crossover 100W Filter Treble Mediant Bass Frequency Divider Module
$15.30Amplifier BoardAdd to cartFeatureMode:WEAH-307Power:100WImpedance:4-8ohmCompatible for:Under 6inches HornTreble Standard:12db/octBass Standard:12db/octSize:8.5×6.2×2.6cmFrequency response:low 45Hz, high 20KHzPackage includes1 x 100W Filter Treble Mediant Bass Frequency Divider
3pcs WXD3-13-2W Precision Potentiometer 22K 22K Ohm Wirewound Multi-Turn Potentiometer
$10.49Module ComponentsAdd to cartSpecificationsResistance range:22K┯Resistance tolerance:÷ 5%Rotation angle:3600 ÷ 20 Number of laps:10 lapsRated voltage:160VStarting torque:3.5 ~ 100mN.mRated power:2W (85 →) 0W (125 →)Linearity accuracy:÷ 0.3%Mechanical durability:10,000 weeksPackage included3 x Potentiometer
20Pcs Serial Port WIFI ESP8266 Module Adapter Plate with IO Lead Out for ESP-07 ESP-08 ESP-12
$12.02Smart ModuleAdd to cart20Pcs Serial Port WIFI ESP8266 Module Adapter Plate With IO Lead Out For ESP-07 ESP-08 ESP-12This Adapter Plate is for ESP-07 ESP-08 ESP-12, a test board with IO lead out.NoteNeed to solder 3V regulator by youself.ESP-07, ESP-08, ESP-12 module board are not included!!!Package included20 x Serial Port WIFI ESP8266 Module Adapter Plate40 x Pins
10pcs 2S 5A Li-ion Lithium Battery 7.4V 8.4V 18650 Charger Protection Board BMS for Li-ion Lipo Battery
$16.88Battery Protection ModuleAdd to cartSpecificationsModel:HX-2S-A2 Overcharge voltage range:4.25-4.35v ± 0.05vSize:17.5 * 17.5 * 3.2mm over discharge voltage range:2.5-3.0v ± 0.05vUpper limit operating current:5A Operating temperature:-40 — +50 °Upper limit instantaneous current:7A Storage conditions:-40– +80 °Quiescent current:less than 10uA Effective life:more than 50,000 hoursInternal resistance:less than 300mΩ Short circuit protection:can be protected, need to charge recoveryCharging voltage:8.4V-9VWelding point DescriptionB + …
DC 24V 600L/H Submersible Pump Immersible Pump Under Water Pump Bath Pump
$42.51Electrical Pump & ValveAdd to cartSubmersible Pump Immersible Pump Under Water Aquarium Bath Pump DC 24V 600L/HSpecificationColor:GreyUse:SubmersibleMaterial:Engineering ABSRated Voltage:DC 24VStarting Voltage:6VCurrent:0.75AFlow:600L/HNoise:50dB MAXMax. Head:500cmPower:18wWaterproof grade:IP68Motor:brush motorWater temperature:-20 ° C ~ 60 ° ° CAmbient humidity:45%~90%No load current:less than 0.2ACurrent at load:1.2ACable:1.5m /59.06inch(appr.)Total Length:105.9mm /4.31inch(appr.)FeaturesBrand New and high quality.Suitable for tap water, sea water, ground waterCannot be used directly with 220V AC …
DC 24V 600L/H Submersible Pump Immersible Pump Under Water Pump Bath PumpRead More
TDA7498 2.1 Digital Power Amplifier Board 200W+100W+100W Supasses TPA3116 Class D DC24V
$70.06Amplifier BoardAdd to cartFeatures-Using original TDA7498 TL072-The front input capacitor and the inter-stage coupling capacitor use Siemens’ top-level capacitors 1UF, the electrolytic capacitor signal main circuit uses Taiwanese famous brands, and the main filter capacitor uses special electrolytic capacitors 2≠2200UF to ensure strong continuous power support.-The resistors are high-precision chip resistors, and the main circuit uses five-ring metal …
TDA7498 2.1 Digital Power Amplifier Board 200W+100W+100W Supasses TPA3116 Class D DC24VRead More
3Pcs RobotDyn RTC DS1307 Real Time Clock Battery Shield with Pin Headers Set
$18.67Expansion Board & ShieldAdd to cartPINOUT:http://img.staticbg.com/file/products/20171226001032PINOUT-RTCDS1307.pdfSchematic:http://img.staticbg.com/file/products/20171226001140Schematic-RTCDS1307.pdfFeatureType:Logic ICsPackage includes3 x RTC DS1307 (real time clock) + battery3 x Wemos D1 mini shield6 x Male Pin Header 8pins6 x Female Pin Header -BLACK 8pins6 x Stackable Header – BLACK 8pins