1,Name: Sodium nitrite Molecular formula: NaNO2 Formula weght:69.00 2Property: (1) ordinary sodium nitrite: white little crystals or light yellow  (2) dry powder sodium nitrate: white crystal,non-caking, showing loose status. Density:2.168. No odor, slightly salty. It is liable to deliquesce, dissolved in water,soluble in liquid ammonia,slightly soluble in ethanol and glycerin,Melting Point:271. Decomposition temperature is 320. It has oxidability and also has reducibility. It will slowly be oxidized into sodium nitrate in atmosphere, it can form nitrogen compound with nitrilo at low temperatures. 3Usage:It has been widely used in making nitro-compound and azo dye, mordant of textile dyeing, bleaching agent, metal heat finishing agent, cement early strength agent, and deicing agent etc. Note: The product should be stored in a cool, dry place to prevent it from moisture, heat and sunlight. This product can not be mixed with strong reductant, inflammable and explosive materials, food, feed and additives. â?¢ This product is toxic and should be properly kept and can not be eaten. 4 Specification: (Technical Standards:GB2367-2006) Item Unit Molten salt G High G First G Qualified G Dry powder G Assay % 99.3 99.0 98.5 98.0 98.5 Sodium nitrate % 0.6 0.80 1.00 1.90 0.80 Chlorides % 0.03 0.10 0.17 -- 0.1 Water insolubles % 0.02 0.05 0.06 0.10 0.06 Moisture % 1.0 1.4 2.0 2.5 0.2 Loose degree -- -- -- -- 95 5,Package: net 50kg net each in plasic woven inner plasic bag, or according to customers requirement.
Formula:KAl(SO4)2 12H2O Relative Molecular Weight:474.39 CAS NO,: 7784-24-9 EINECS No.:5637-689-7 HS CODE.: 2833301000 Appearance: lump, white crystal, white powder Properties:Colorless, transparent, particle or crystalline powder, odorless, nontoxic, tastes slightly sweet and puckery, astringent, easily soluble in water, its water solution appears acid,is would lose crystal water and become white powder on heating Usage; Food industry: Buffering agents and leavening agents in food-grade products. Chemical Industry: Water Flocculant, aluminum tanning agents and after-treating agents for leather tanning in the leather industry, dyeing agents,Astringents,mordants etc. Items Specifications Potassium aluminum sulfate [AlK(SO4)2.12H2O] % 99.5 Plumbum(Pb) mg/kg 5.0 Arsenic (As) mg/kg 2.0 Fluorine (F) mg/kg 30.0 Selenium (Se) mg/kg 30.0 Moisture % 4.0
1.Name: Sodium nitrate Chemical formula: NaNO3 Formula weght:84.99 2.Property: (1) ordinary sodium nitrate: white little crystals or light yellow (2) dry powder sodium nitrate: non-caking, showing loose status. Density:2.257. It is liable to deliquesce, dissolved in water, soluble in liquid ammonia, slightly soluble in ethanol and glycerin, Melting Point:308. While being heated up to about 380 it will decompose and release oxygen and turn into sodium nitrite,as the heating goes on, it will decompose into oxygen, nitrogen and nitrogen oxide. It has strong oxidability and can cause combustion explosion if being mixed with organic substance, sulfur, sodium nitrate etc. 3. Usage:Â it has been wildly used in the glass industry, dye, dynamite, metallurgy, machinery, ceramic etc. 4. Specification: (Technical Standards:GB/T4553-2002) Item Unit High G. First G. Qualified G. Dry powder G. Assay % 99.7 99.3 98.5 99.3 Sodium nitrite % 0.01 0.02 0.15 0.02 Chlorides % 0.25 0.30 -- 0.25 Water insolubles % 0.03 0.06 -- 0.03 Moisture % 1.0 1.5 2.00 0.2 Carbonates % 0.05 0.10 -- 0.1 Iron % 0.005 -- -- 0.005 Loose degree -- -- -- 95 5.Package: net 25kg/50kg net each in plasic woven inner plasic bag,or 500kg net each in flexible container.
ProName: Acetone oxime ,Acetoxime CasNo: 127-06-0 Molecular Formula: C3H7NO Appearance: White crystal ProductionCapacity: 1-100 Metric Ton/Month Grade: Industrial Grade Specifications: index value appearance white crystalline powder or flakes Assay 99.0% residue on ignition 0.01% Boiling point 135 c at 1,013 hpa Moisture 0.25% Uses: It is used as raw material for medicine, pesticides, dyes and organosilane coupling agents. It is also useful in the determination of nickel and cobalt. Acetone oxime is an excellent corrosion inhibitor (deoxidant) with lower toxicity and greater stability compared to hydrazine. Package: 25kg carton drum or 1kg foil bag or by request of clients Storage: Store in dry, dark and ventilated place Transportation: by sea or by air
Chemical name:Magnesium nitrate Molecular formula:Mg(NO3)2.6H2O Molecular weight:256.40 Property:soluble in water,liquid ammonia, methanol and ethanol.Stable at room temperature, the relative density of 1.461, higher than the melting point of 95�°C off the water to generate alkaline magnesium nitrate, heated to 300�°C begins to decompose above 400�°C to completely decompose into magnesium oxide and Nitrogen oxide gas. Quality standard: Item Indicator Industrial grade Agriculture grade Magnesium nitrate (Mg(NO3)2.6H2O) â?¥98.0% â?¥98.0% PH value â?¥4 --- Heavy metal â?¤0.002 --- Water insoluble â?¤0.05% â?¤0.1% Iron â?¤0.001% --- Magnesium oxide content(CaO) --- â?¥15% Nitrogen content(N) --- â?¥10.7% Use:Concentrated nitric acid for industrial de-water agent, manufacture of explosives, catalysts and other magnesium salts and nitrates catalyst raw materials, wheat ashing agent.Used in agriculture, magnesium soluble fertilizer for soilless culture. Packing:25/50KGlined with plastic bag and exterior is woven bagPacking or according to customers requirements. 1.Purity 98% white granule 2.Used for fertilizer or industrial material 3.Export Asia/Europe 4.ISO9001
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
THAIMID works with the most reliable furniture suppliers and manufacturers in Thailand and all over the world. As a global trading business, we specialize in importing and exporting high quality furnishings to you in an expedited fashion. Our attractive and highly durable products are used in a variety of important industries — both interior and exterior — including food and hospitality services, commercial and office enterprises, home and garden functions, camping, traveling, and entertainment endeavors. You are sure to find what you are looking for, and at great value to you and your business. We look forward to trading with you.
THAIMID works with the most reliable furniture suppliers and manufacturers in Thailand and all over the world. As a global trading business, we specialize in importing and exporting high quality furnishings to you in an expedited fashion. Our attractive and highly durable products are used in a variety of important industries — both interior and exterior — including food and hospitality services, commercial and office enterprises, home and garden functions, camping, traveling, and entertainment endeavors. You are sure to find what you are looking for, and at great value to you and your business. We look forward to trading with you.
THAIMID works with the most reliable furniture suppliers and manufacturers in Thailand and all over the world. As a global trading business, we specialize in importing and exporting high quality furnishings to you in an expedited fashion. Our attractive and highly durable products are used in a variety of important industries — both interior and exterior — including food and hospitality services, commercial and office enterprises, home and garden functions, camping, traveling, and entertainment endeavors. You are sure to find what you are looking for, and at great value to you and your business. We look forward to trading with you.
THAIMID works with the most reliable furniture suppliers and manufacturers in Thailand and all over the world. As a global trading business, we specialize in importing and exporting high quality furnishings to you in an expedited fashion. Our attractive and highly durable products are used in a variety of important industries — both interior and exterior — including food and hospitality services, commercial and office enterprises, home and garden functions, camping, traveling, and entertainment endeavors. You are sure to find what you are looking for, and at great value to you and your business. We look forward to trading with you.
THAIMID works with the most reliable furniture suppliers and manufacturers in Thailand and all over the world. As a global trading business, we specialize in importing and exporting high quality furnishings to you in an expedited fashion. Our attractive and highly durable products are used in a variety of important industries — both interior and exterior — including food and hospitality services, commercial and office enterprises, home and garden functions, camping, traveling, and entertainment endeavors. You are sure to find what you are looking for, and at great value to you and your business. We look forward to trading with you.
[Technical Indicators] 1. Industrial grade Indicator Name/Indicator Value Powdered Products (F) Needle Products (Z) Level 92 Level 93 Level 95 Level 92 Level 95 Appearance White or light yellow powder, without caking White or yellowish needle-like, without lumps Active matter,% 92.0 93.0 95.0 92.0 95.0 Free oil,% 1.2 1.2 1.2 2.0 1.5 Inorganic salt,% Sodium sulfate 5.8 4.8 2.5 4.8 2.5 Sodium chloride 0.15 0.15 0.15 0.15 0.15 Moisture,% 2.0 2.0 2.0 4.0 3.0 PH value (1% aqueous solution) 7.5-9.5 7.5-10 Whiteness (WB), 90 2. Toothpaste grade Indicator Name/Indicator Value Toothpaste Grade (Y) (I) Level (II) Level (III) Level Appearance White or yellowish powdery or needle-like, without caking Active matter,% 95.0 93.0 93.0 Free oil,% 1.2 1.2 1.2 Inorganic salt,% Sodium sulfate 2.5 3.2 4.0 Sodium chloride 0.15 0.15 0.15 Moisture,% 2.0 2.0 3.0 PH value (1% aqueous solution) 8-9.3 8-9.3 8-10 Whiteness (WB), 90 Foaming capacity/mm 180 Heavy metal (as Pb)/ (mg/Kg), 15 Arsenic content (as As)/ (mg/Kg), 3 Total bacterial count/ (CFU/G), 100 Total number of molds and yeasts/ (CFU/G), 100 Fecal coliforms/G Not to be detected Pseudomonas aeruginosa/G Not to be detected Staphylococcus aureus/G Not to be detected  3. Latex grade Indicator Name/Indicator Value Latex grade (powder, needle, liquid) Aggregate grade Seed level Liquid K12 Appearance White or yellowish powdery or needle-like, without caking Light yellow transparent liquid Active matter,% 94.0 92 28.5-30.5 Free oil,% 0.8-1.0 1.5-2.0 1.5 Inorganic salt,% Sodium sulfate 3.0 3.0 1.5 Sodium chloride 0.15 0.15 0.05 Moisture,% 3.5 3.5 - PH value (1% aqueous solution) 8-10 7.5-9.5 Whiteness (WB), 90 - Color Klett (30% active), - 60 4. Reagent grade Indicator Name/Indicator Value Reagent grade Level 99% Level 97% Appearance White flaky crystals White powder Solubility (1%, alcohol) Completely dissolved Solubility (10%, aqueous solution) Completely dissolved Chroma APHA (20%, deionized water), 15  - Active matter (%), â?¥ 99 (on dry basis) 97 Petroleum ether soluble matter (%), 0.2 1.0 Sodium sulfate (%), 0.5 1.5 Sodium chloride (%), Moisture (%), 1.0 2.0 PH value (1% aqueous solution) 6.0-8.0 6.0-11 Phosphate, 1ppm - Lead (Pb), 2ppm Iron (Fe), 1ppm Nitrogen, 5ppm - Arsenic (As), 0.1ppm Fraction content (%), 99.0 Absorbance (3%, deionized water) 230nm 0.4 260nm 0.1 280nm 0.1 - 410nm 0.01
Product Name Sodium Benzoate Specification Food Grade Appearance White Powder/Granular/Sphere Certification FDA, GMP, HACCP, ISO, KOSHER, QS, Halal Purity: 99.5% min [Molecular formula] C7H5NaO2 [Molecular weight] 144.11 [Use] widely used in food industry as Antiseptic, anti-animalcule and antifreezing agent used in food, medicine, tobacco, plating, printing and dyeing [Quality index] in accordance with GB1902-2005 standard for edible grade and BP98 and China national codex 2000 for medicinal grade Package: 25kg net packed in woven bag, or 600kg net packed in ton bag Container: 17MTS/20'FCL without pallets, 14MTS/20'FCL with pallets For extruded, 16MTS/20' container For powder: 17MTS/20' container For granule: 20MTS/20' container Item GB1902-94 version BP98 version China pharmacopoeia 2000 version Content(base on C7H5NaO2 dry basis),% 99.0 99.0-100.5 99.0 Drying loss,% 1.5 2.0 1.5 Dissolve Meet the stipulation Meet the stipulatio Transparency and color / Meet the stipulation Alkalinity acidity; Meet the stipulation Meet the stipulation Meet the stipulation Cchloride (base on Cl) 500PPm 200PPm/ Chloride(base on Cl),/ 300PPm/ Heavy metal(base on Pb) 10PPm 10PPm 10PPm As(base on As),2PPm/ 5PPm Sulfate (base on SO4),1000PPm // Readily oxidizable substance Passed the test/ o-benzene tricarbonic acid Passed the test/
Adopting unique production technology, Focus- 6300 buytl tapes are mainly made of butyl rubber supplemented by other auxiliaries and fillers, with the superior high polymer materials. With its strong adhesion property and air-tight property, our waterproof sealing butyl tapes are environmental and solvent-free. Main Specification (Customized demand sare acceptable.) 6mm*8m 8mm*6m 10mm*4.57m Main Color - black Technical Data Product Series FOCUS-6300 Series Application Automotive Industry Elongation 500% Heat Resistance 90, no flowing within 2h Low Temperature Flexibility 40, no crack on surface within 24h Peel Strength 23N/cm Tensile Strength 230KPa Anti UV non-hardening and no cracks within in 2000h Corrosivity Non-corrosive to galvanized sheet, aluminum sheet and coppersheet. Advantages Strong adhesion, high tensile strength, excellent elasticity and extensibility. It can fully accommodate to the surface that it attached to Excellent performance in non-corrosive, weather resistance and adaptation. Applications Provide waterproof protection to car doors waterproof membrane. Provide waterproof and sealing protection to the battery of new energy automobile. Other waterproof applications on cars and new energy cars
Commodity : Potassium sorbate Molecular formula : C6H7KO2 Molecule Weight : 15022 HS code : 29161900 CAS : 24634615� Specifications appearance : White crystal granule Production Standard : FCCIV Content : 9801010 K2CO3 : 1 max Loss on drying : 1 max Chloride : 001 max Heavy metalsas : Pb 0001 max Packing in carton 25kgs net weight Quantity 14MT loaded into 1 x 20GP Excellent preservative properitesproperites Sorbic Acid Potassium Sorbate can restrain effectively the activity of mould yeast and aerophile bateria Restrain growth and reproduction of the pernicious micro organism as pseudomonas staphylococcus salmonella action to restrain growth is more powerful than killing Meanwhile it can not restrain useful microoranganim growth ad Anaerobicbearing barilli acidophil therefore to lengthen food store peroid and remain food original flavor The preservative efficiency of sorbic acid Potassium sorbate is 510 times sodium benzoate High safety Sorbic Acid Potassium Sorbate is one kind of nonsuturated fatty acid compounds It can be absorbed by human body rapidly then decomposed into CO2 and H2Omoreover no remaining in body ADI 025mgkg based on sorbic acid FAOWHO 1994 LD50 4920 mgkglarge mouse by mouth GRASFDA 1823640 1994 Its toxicity only 112 times table salts and 140 times sodium benzoate Good stability Sorbic Acid Potassium Sorbate is stable in sealed staus will not be decomposed until 270C It will be oxidized into colored ones and absorbing moisture in case exposed in air for a long time Wide application At the momentSorbic Acid Potassium Sorbate has been used extensively in food drinkvegetables in soy tabacco drugs cosmetics agricultural products forage and other domain Its applicaion should be wide and wide in the world As acidic preservative Sorbic Acid Potassium Sorbate is also used well in neutral foodph6065 The preservative efficiency of sodium benzoate will decrease clearly and have a bed taste while ph4 Applicaion flexibilitySorbic Acid Potassium Sorbate can be used by direct adding sprayingretting dry spraying using in packing material and other method
Commodity:Sodium persulfate Molecular Formula : Na2S2O8 Molecular weight : 238.13 Description Sodium persulfate is a white,crystalline,odourless salt.It is used as initiator for the Polymerization of monomers and as a strong oxidizing agent in many applications.It has the particular advantage of being almost non - hygroscopic,of having a particularly good storage stability as a result of its extremely high purity and of being easy and safe to handle. Transportation Road/Rail transport : GGVS,GGVE,ADR,RID/CLASS 5.1 Sea transport : GGV Sea/IMDG code : CLASS 5.1 Page 5185,UN no.1505 Water hazards class 1(slight water hazard) All information is given in good faith,but without warranty,since the conditions of use are outside our control. Verification by the user is recommended.Freedom from patent restriction cannot be assumed. Package (1) In 25kgs net multiple paper bags with one PE bag inner (2) In 25kgs net PE bags (3) In 25kgs net woven bags with two PE bags inner (4) In 1000kgs net big woven bags with one PE bag inner The above package is also with a pallet 1000kgs each. Storage NPS(SPS) is not combustible but assists combustion materials due to release of oxygen.Provided it is stored under appropriate condition.It must be stored dry in closed containers and protected from direct sunlight,heat and humidity.Impurities such as dirt,rust or traces of metal and reductants may cause catalytic decomposition.The product as supplied or in solution needs to be handled with appropriate care.The eye,skin and clothes must be protected when working with NPS(SPS) as damp powder or aqueous solution has a bleaching and slightly corroding effect. Application Polymerization : Initiator for the emulsion or solution Polymerization of acrylic monomers,vinyl acetate,vinyl chloride etc.and for the emulsion co-polymerization of styrene,acrylonitrile,butadiene etc. Metal treatment : Treatment of metal surfaces(e.g. in the manufacture of semiconductors; cleaning and etching of printed circuits),activation of copper and aluminium surfaces. Cosmetics : Essential component of bleaching formulations. Paper : modification of starch,repulping of wet - strength paper. Textile : Desizing agent and bleach activator - particularly for cold bleaching.(i.e.bleaching of Jeans). Others : - Chemical synthesis - Water treatment(decontamination) - Waste gas treatment,oxidative degradation of harmful substances(e.g.Hg) - Disinfectant ITEMS SPECIFICATIONS Appearance white crystalline salt Assay 99.0% w/w min Active oxygen 6.65% w/w min Chloride and chlorate(as CL) 0.005% w/w max Ammonia (NH4) 0.05% w/w max Manganese(Mn) 0.0001% w/w max Iron(Fe) 0.001% w/w max Heavy metals(as Pb) 0.001% w/w max Moisture 0.05% w/w max Decomposition of the product as supplied at above 65C Recommended storage temperature Normal Temperature Storage stability as from date of delivery 12 months
Focus-6100 butyl tapes are mainly made of butyl rubber with excellent performance in waterproofing and sealing. Main Specification (Customized size is acceptable.) 3.0mm thickness * 12mm width *15m roll length 2.5mm thickness * 8mm width * 15m roll length 2 mm thickness * 15mm width * 20m roll length 2.5 mm thickness * 8mm width * 20m roll length Main Color black, grey, white Technical Data Product Series FOCUS-6100 Application Composite Materials Industry Elongation 500% Heat Resistance 90, no flowing within 2h Low Temperature Flexibility 40, no crack on surface within 24h Peel Strength 23N/cm Tensile Strength 220KPa Anti UV non-hardening and no cracks within in 2000h Corrosivity Non-corrosive to galvanizedsheet, aluminum sheet and coppersheet. Advantages Strong adhesion. Wide application temperature range. Excellent performance in waterproofing and sealing. Applications * During the production of vacuum extraction process for wind mill blade, it has excellent sealing property between vacuum bags and molds. During the production of vacuum extraction processfor fiberglass, it has excellent sealing property between vacuum bags and molds. * During the production of vacuum extraction process for cabin cover, it has excellent sealing property between vacuum bags and molds. * As auxiliary materials, our Focus-6100 series are widely used in the production of wind mill blade, fiberglass, cabin cover, car tail bracket, automotive engine cover, yacht. * Our products have excellent sealing property between vacuum bags and mold during the vacuum extraction process.
Chemical solvents like acetone, ethanol, ipa,mix xylene, mix toluene etc ( recycled, off grade, stock, contaminated, expired products.:
Focus-6500 butyl tapes has good performance in waterproofing and sealing, non-hardening, weather resistance, strong adhesion, adaptation and anti-aging . Technical Data Product Series FOCUS-6500 Series Application Home Decoration Industry Elongation 500% Heat Resistance 90, no flowing within 2h Low Temperature Flexibility 40, no crack on surface within 24h Peel Strength 22N/cm Tensile Strength 210KPa Anti UV non-hardening and no cracks within in 2000h Corrosivity Non-corrosive to galvanizedsheet, aluminum sheet and coppersheet Advantages Smooth and Delicate. Excellent Adaptation. Greene nvironmental protection. Non-toxic tasteless. Good performance in waterproofing and sealing. Best quality with outstanding service life. Applications Focus-6500 butyl tapes are widely used in bathrooms, kitchen, home decorations, office areas and other home applications, for its good waterproof/mildew proof /airtight and environmental property.
butyl tapes are waterproof and insulated tapes Focus-6400 butyl tapes are waterproof and insulated tapes with strong adhesion and adaptation to irregular surfaces. It exhibits excellent performance in waterproof, sealing and anti-UV to antenna feeder and cable connection box. Main Specification (Customized size is acceptable.) 2mm*40mm*20m * 8.5mm * 8mm * 10mm * 12mm Main Color - Black Technical Data Product Series FOCUS-6400 Series Application Communication Industry Elongation 400% Heat Resistance 90, no flowing within 2h Low Temperature Flexibility 40, no crack on surface within 24h Tensile Strength 175KPa Anti UV non-hardening and no cracks within in 2000h Corrosivity Non-corrosive to galvanizedsheet, aluminum sheet and coppersheet. Advantages Strong adhesion and adaptation to irregular surface. Good compatibility with various cables. Wide application temperature range. Excellent performance in weather resistance, waterproof sealing and anti-aging. Applications Provide waterproof and sealing protection to communication base station and antenna feeder. Provide waterproof and sealing protection to cable connection box
