Product Name: Ferrous Sulphate Heptahydrate Molecular Formula: FeSO4. 7H2O CAS No.: 7782-63-0 Mol Weight: 278.05 Usage and Dosage: 1. Industrially: ferrous sulphate heptahydrate is mainly used as a precursor to other iron compounds. It is a reducing agent, for the reduction of chromate in cement. 2. Nutritional Supplement: Together with other iron compounds, ferrous sulphate is used to fortify foods and treat iron-deficiency anemia. Constipation is a frequent and uncomfortable side effect associated with the administration of oral supplements. Stool softeners often are prescribed to prevent constipation. 3. Colorant: Ferrous sulphate can also be used to stain concete and some limestones and sandstones a yellowish rust color. 4. Water Treatment: Ferrous sulphate has been applied for the purification of water by flocculation and for phosphate removal in municipal and industrial sewage treatment plants to prevent eutrophication of surface water bodies. Storage: Storage Store in cool, dry, well ventilated area, removed from oxidising agents (eg. hypochlorites), acids, metals and foodstuffs. Ensure containers are adequately labelled, protected from physical damage and sealed when not in use. Large storage areas should have appropriate ventilation systems. Precaution: Flammability Non flammable. No fire or explosion hazard exists. Packing: Net weight 25kgs, 50kgs per each plastic woven bag Technical Specification Appearance: Light green crystalline powder Fe 19.7%min Pb 20 ppm max As2 ppm max Cd 5 ppm max Size Crystalline Powder
2-Naphthol Basic information Chemical Properties Application Preparation Product Name: 2-Naphthol Synonyms: c.i.37500;c.i.azoiccouplingcomponent1;c.i.developer5;Developer A;Developer AMS;Developer BN;developera;developerams CAS: 135-19-3 MF: C10H8O MW: 144.17 EINECS: 205-182-7 Product Categories: Fluorescent;Naphthalene;pigments;alcohol;MICROCIDIN;Color Former & Related Compounds;Developer;Functional Materials;Intermediates;Aromatic Compounds;Alphabetical;Bioactive Small Molecules;Biochemicals and Reagents;Building Blocks;C9 to C20+;Cell Biology;Chemical Synthesis;Fluorescent Indicators and Probes;Fluorescent Probes;Labels;N;Organic Building Blocks;Oxygen Compounds;Particles and Stains;pH Sensitive Probes and Indicators;Phenols;Dyestuff Intermediates;Aromatics Mol File: 135-19-3.mol 2-Naphthol Chemical Properties Melting point 120-122 C(lit.) Boiling point 285-286 C(lit.) density 1,28 g/cm3 vapor density 4.97 (vs air) vapor pressure 10 mm Hg ( 145.5 C) refractive index 1.5762 (estimate) Fp 153 C storage temp. Refrigerator solubility methanol: soluble1g/10 mL, clear, colorless to light yellow pka 9.51(at 25C) form Powder, Crystals or Granules color White PH Range Non& uorescence (8.5) to blue & uorescence (9.5) Water Solubility 1 g/L (20 C) �»max 226nm, 265nm, 275nm, 286nm, 320nm, 331nm Merck 14,6384 BRN 742134 Stability: Stable. Combustible. Dust may form explosive mixture with air. Incompatible with strong oxidizing agents, phenol. Major Application Display device, semiconductors, photoimaging materials, inks, toner, chalk, security paper, molding materials, tin plating method, rubber, adhesive, leather, detergent, hair dyes, antimitotic drug, anticancer agent, antiinflammatory agent, treatment of acne vulgaris (pimples) and other dermal ailments (rashes, scratches, blemishes, hair loss), disorders InChIKey JWAZRIHNYRIHIV-UHFFFAOYSA-N CAS DataBase Reference 135-19-3(CAS DataBase Reference) NIST Chemistry Reference 2-Naphthalenol(135-19-3) EPA Substance Registry System 2-Naphthalenol (135-19-3) Safety Information Hazard Codes Xn,N Risk Statements 20/22-50 Safety Statements 24/25-61 RIDADR UN 3077 9/PG 3 WGK Germany 2 RTECS QL2975000 F 8 Autoignition Temperature 430 C TSCA Yes HazardClass 9 PackingGroup III HS Code 29071590 Hazardous Substances Data 135-19-3(Hazardous Substances Data) Toxicity LD50 orally in Rabbit: 1960 mg/kg LD50 dermal Rabbit > 10000 mg/kg 2-Naphthol Usage And Synthesis 2-Naphthol Preparation Products And Raw materials
Temperature Block Temperature Range: 0 - 105 Max. Heating Rate: 7 /s Max. Cooling Rate: 5 /s
Steel Gondola Suspended Platform 8.5m/min For Building Facade Cleaning Suspended platform are designed and constructed in modular form,so it could be mounted in any size from 2m to 8m. Welding of support structure is made of quality steel profiles Connection of individual parts of structure is made with nuts and bolts in each unit. Each platform is equipped with wheels for easy movement around construction sites. Suspended platform provide safer, easier and more efficient work platforms for your workers. They are ideal for plaster, painting, repairing, decoration, cleaning,elevator installing, loading heavy row materials to higher grounds, etc. It is also widely used in the construction works of big-size tank, bridge, dam and chimney.
Hex nut, hex bolts, washers, hub bolts, screws, truck tie rod ends, flange nuts, drywall screws, square nuts, concrete nails, nylon fixing anchors, scaffolding products and many other spl items.
JRS Scaffolds is a prestigious Ring Lock Manufacturer. We are widely known for producing safe, convenient Ring Lock Scaffold line that comprise Ring Lock Horizontal ledger, brace, toe board, base collar, etc. So whether you are searching for complete Ring Lock Scaffolding system or just compatible accessories for your project, just approach JRS Scaffolds. If you are looking Ring Lock Scaffold for sale, then look none other than JRS Scaffolds. STANDARD AND VERTICAL .................................................... Standard or Vertical is the vertical member of the JRS Ring system or multidirectional system having Rosette fixed at specified distance, thus making its application flexible to any type of structure. The use of special grade high tensile ST 52 or S355 steel tubes with 3.2 mm thickness gives extra strength. "CODE:- EFC-4001" BOARD BRACKET ........................................... JRS Lock scaffold board bracket is used to create an extended work platform, wherever required. Made out of 48.3mm tubes, the board bracket helps to establish the scaffold structure. One end of the board bracket is secured to the main structure, while the other end remains suspended. "CODE:- EFC-3005" LEDGER ............................... The JRS Lock system Ledger fitted with forged ledger blades is used to connect the verticals or standards to each other, thus creating a platform. The Ledger blade fits between the two cups and is secured with a single hammer blow."CODE:- EFC-3002" INTERMEDIATE TRANSOM ....................................................... Intermediate Transom is used to make up for the distance between standards if it exceeds the span of scaffolds board. These are used to secure the 2 boards and 3 boards."CODE:- EFC-3003". DIAGONAL BRACE ..................................... A brace or diagonal gives rigidity to the structure. These are connected diagonally between verticals using the rotating ledger blades fixed at its ends."CODE:- EFC-3004".
Adto ring-lock scaffolding system consists of hot dipped galvanized steel pie and modular components that are assembled together using integral wedge connectors. Adto ring-lock system is a modular scaffold system which can provide major saving in labor cost while meeting the demands for safety, ease of handling and reductions in maintenance. Components: Ring-lock standard with spigot, ring-lock ledger, ring-lock diagonal, wedge pin, base collar, steel plank, steel stair case. Feature: 1.Time efficient during assembly and dismantling 2.Safe and simple one-man assembly 3.No loose parts 4.Maintenance free Ringlock standard with spigot (48.3mm x 3.2mm, q345, hot dipped galvanized) Description Weight/ length Ring-lock standard 500mm 2.76kg Ring-lock standard 1000mm 5.18kg Ring-lock standard 1500mm 7.61kg Ring-lock standard 2000mm 10.03kg Ring-lock standard 2500mm 12.45kg Ring-lock standard 3000mm 14.87kg Ring-lock standard 4000mm 19.72kg Ringlock ledger (48.3mm x 3.0mm, q235, hot dipped galvanized) Description Weight/ length Ring-lock ledger 1000mm 4.62kg Ring-lock ledger 1500mm 6.50kg Ring-lock ledger 2000mm 8.38kg Ring-lock ledger 2500mm 10.27kg Ring-lock ledger 3000mm 12.16kg Ringlock diagonal (48.3mm x 3.2mm, q235, hot dipped galvanized) Description Weight/ length Ring-lock diagonal 1000x2000mm 10.06kg Ring-lock diagonal 1500x2000mm 10.95kg Ring-lock diagonal 2000x2000mm 12.13kg
Kwikstage scaffold standard: 1.Q235,Galvanised 2.500mm-3000mm,3.92kg-19.23kg 3.ISO9001:2008,SGS 4.Main market: Australia,etc. Steel pallet, safe and standard package.
Complied with AS1576; Tube diameter 48.3mm,thickness 4.0mm or 3.2mm, Hopt dip galvanized finishing; Main components: 1. Stand L=1.0m, 6kg L=1.5m, 8.6kg L=2.0m, 11kg L=2.5m, 13.8kg L=3.0m, 16.2kg 2. Ledger L=1.2m, 4.2kg L=1.8m, 6.4kg L=2.4m, 8.8kg 3.Transom L=0.7m, 6.0kg L=1.2m, 11.7kg L=1.8m, 14.4kg L=2.4m, 22.0kg 4. Brace L=1.7m, 7.7kg L=2.7m, 12.7kg L=3.2m, 13.5kg L=3.6m, 15.6kg 5. Steel Board L=0.7m, 4.4kg L=1.2m, 7.3kg L=1.8m, 10.5kg L=2.4m, 14.1kg
Main components: 1. Tube is hot dip galvanized finish in steel q345, ¦µ48.33mm x 3.2mm thickness; 2. Stand lenght: 0.5m, 1.0m, 1.5m, 2.0m, 3.0m; 3. Ledger length: 1.15m, 1.57m, 1.83m, 2.13m, 2.44m, 3.05m; 4. Others: diagonal brace, horizontal truss, base jack, swivel base jack, adaptor coupler;
Tube: outer diameter 48.36mm, thickness 4.0mm or 3.2mm; high tensile steel q345. Main components: 1. Stand 3'3" 1.0m 4'11" 1.5m 5'11" 1.8m 6'6' 2.0m 7'7" 2.3m 8'2" 2.5m 9'10" 3.0m 2. Ledger: 3' 0.91m 3'6" 1.07m 4' 1.22m 5' 1.52m 6' 1.83m 7' 2.13m 8' 2.44m
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Ndfeb magnet, magnetic assembly, ferrite magnets, smco, halbach array magnet, surge protection device, gas discharge tube, lightning protection earthing system, spd, gdt, arrester, surge, lightning.
per annum. Price for volume over the MoQ 30 Million boxes is negotiable. Payment by L/C 100% at sight, transferable, irrevocable and confirmed. Product Name: Disposable Vinyl/Nitrile Blended Examination Gloves Single use, non-sterile, no measuring, Latex free Sizes: XS, M, L. XL. XXL Color: Blue, Green Structure: 5 fingers, beaded cuff for easy donning, ambidextrous Surface: Smooth The Vinyl/Nitrile Blended glove is a new type of synthetic glove that was developed based on the vinyl glove production technology. Its material is compounded with PVC paste and Nitrile latex, so the finished production has the advantage of both PVC and Nitrile gloves. Comparing with the vinyl gloves, the Vinyl/Nitrile Blended glove can better satisfy the users demands, it feels softer, more flexible and more comfortable when wearing. Intended purpose: The examination glove is disposable non-sterile device intended for medical purpose that is worn on the examinerâ??s hand or finger to prevent contamination between patient and examiner. Medical Device Quality Management System EN ISO 13485 Certificate, ISO 9001 Quality Management System Certificate - 2 FDA FDA Registration Information - 510K Product 510K Biocompatibility Test Report EU CE Certificate (DOC, Technical Documentation Review Report )
Material:Q345, q235 for standards, q235 for other components or as your request Place of origin:Hebei of china Surface treatment:Hot dip galvanized, electroplate, painted, powder coated Components:Standard, ledger, brace, metal plank, ladder, base jack, rosette, base collar Color:Silver, red, blue... Pipe diameter:48.3mm, 60.3mm Thickness of tube:2.75/3.0/3.25mm Moq:20 metric tons Packing details:Packed with steel pallets or as your requirement Delivery time 30 days after receive your depoist Fob port:Tianjin Payment terms:T/t, l/c, wu, cash, paypal
Ringlock scaffold Material:q345, q235 for standards, q235 for other components or as your request Place of origin:hebei of china Surface treatment:hot dip galvanized, electroplate, painted, powder coated Components:standard, ledger, brace, metal plank, ladder, base jack, rosette, base collar Color:silver, red, blue... Pipe diameter:48.3mm, 60.3mm Thickness of tube:2.75/3.0/3.25mm Moq:20 metric tons Packing details:packed with steel pallets or as your requirement Delivery time 30 days after receive your depoist Fob port:tianjin Payment terms:t/t, l/c, wu, cash, paypal
