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{"title":"98% Purity Microsilica Powder with High Pozzolanic Activity and Ultra-Fine","imgUrl":"https:\/\/img.silkroadsl.com\/nimg\/dc\/d3\/146cef6eab4f83725858c61a234e-200x200-1\/98_25_purity_microsilica_powder_with_high_pozzolanic_activity_and_ultra_fine_particle_size_for_concrete_and_refractory_application.jpg","attrs":{"Brand Name":"SiChun HongJian","Model Number":"Quartz powder","Place of Origin":"China","Minimum Order Quantity":"10Tons"}}
{"title":"Cosmetic Grade Talc Powder with Platy Structure and Chemical Inertness for","imgUrl":"https:\/\/img.silkroadsl.com\/nimg\/e9\/87\/fd3f8b8267c66c0b50ad1ffc7dad-200x200-1\/cosmetic_grade_talc_powder_with_platy_structure_and_chemical_inertness_for_personal_care_and_industrial_applications.jpg","attrs":{"Brand Name":"SiChun HongJian","Model Number":"Talc Powder","Place of Origin":"China","Minimum Order Quantity":"10Tons"}}
{"title":"Precipitated Barium Sulfate 98% Purity - High Whiteness Filler for Coatings,","imgUrl":"https:\/\/img.silkroadsl.com\/nimg\/cd\/b3\/c2783521736e47dd018aa8265fb9-200x200-1\/precipitated_barium_sulfate_98_25_purity_high_whiteness_filler_for_coatings_2c_plastics_26_x_ray_contrast.jpg","attrs":{"Brand Name":"SiChun HongJian","Model Number":"Barium Sulfat","Place of Origin":"China","Minimum Order Quantity":"10Tons"}}
{"title":"Calcium Hypochlorite Bleaching Powder with 65% Available Chlorine for Water","imgUrl":"https:\/\/img.silkroadsl.com\/nimg\/03\/a4\/e98d4a3bd821fe1a35b3f77de55c-200x200-1\/calcium_hypochlorite_bleaching_powder_with_65_25_available_chlorine_for_water_disinfection_and_textile_bleaching_as_sanitizer_agen.jpg","attrs":{"Brand Name":"sichuan hongjian","Model Number":"25kg\/bag","Place of Origin":"China","Minimum Order Quantity":"10tons"}}
{"title":"Sodium Tripolyphosphate STPP Tech Grade - Detergent Builder Water Softener Food","imgUrl":"https:\/\/img.silkroadsl.com\/nimg\/b9\/1b\/0452ba8b56f24933e1d685db3ed2-200x200-1\/sodium_tripolyphosphate_stpp_tech_grade_detergent_builder_water_softener_food_additive_e451.jpg","attrs":{"Brand Name":"sichuan hongjian","Model Number":"25kg\/bag","Place of Origin":"China","Minimum Order Quantity":"10tons"}}
{"title":"Sodium Lauryl Sulfate (SLS) - Anionic Surfactant with Excellent Foaming","imgUrl":"https:\/\/img.silkroadsl.com\/nimg\/63\/b8\/11dddd09f49256dd55f2994efdc1-200x200-1\/sodium_lauryl_sulfate_28sls_29_anionic_surfactant_with_excellent_foaming_properties_2c_powerful_cleaning_ability_2c_and_rich_lathe.jpg","attrs":{"Brand Name":"sichuan hongjian","Model Number":"25kg\/bag","Place of Origin":"China","Minimum Order Quantity":"10tons"}}
Chemical Formula: NaNO₂ - White to slightly yellow crystals, granules, or powder with strong oxidizing properties, decomposition under acidic conditions, and reactivity with amines.
Core Applications
Metalworking & Heat Treatment
Molten Salt Bath Nitriding: Key component in nitrate molten salt baths for QPQ salt bath treatment and black oxide finishing
Surface Enhancement: Forms dense magnetite (Fe₃O₄) or nitride layers to improve wear resistance, corrosion resistance, and fatigue strength
Vapor Phase Corrosion Inhibitor: Protects metal products in enclosed spaces from atmospheric corrosion
Industrial Water Systems
Closed-Circuit Cooling Water: Classic anodic inhibitor for central air conditioning and engine cooling systems
Corrosion Prevention: Forms protective magnetite (γ-Fe₂O₃) film on carbon steel surfaces, preventing general and pitting corrosion
Food Processing (E250)
Color Fixation: Reacts with myoglobin to form stable pink nitroso-myoglobin in meat products
Preservation: Inhibits growth of pathogens including Clostridium botulinum
Antioxidant: Delays fat oxidation to preserve flavor
Must be used with precise dosage and commonly combined with ascorbic acid to prevent nitrosamine formation
Chemical & Pharmaceutical Synthesis
Industrial Intermediates: Manufacturing of azo dyes, pigments, and pesticides
Pharmaceutical Raw Material: Production of vasodilators and other medications
Medical Application: Component in cyanide poisoning emergency treatment
Safety Warning:
This product is toxic and available in Industrial Grade and strictly regulated Food Grade. Supplied only to qualified industrial enterprises, water treatment companies, and compliant food processors with proper documentation. Requires professional training, protective measures, and strict adherence to safety protocols.
Company Details
Bronze Gleitlager
,
Bronze Sleeve Bushings
and
Graphite Plugged Bushings
from Quality China Factory
Business Type:
Manufacturer,Distributor/Wholesaler
Year Established:
2013
Total Annual:
7000000-10000000
Employee Number:
130~150
Ecer Certification：
Verified Supplier
Sichuan Hongjian Chemical is a comprehensive enterprise specializing in the trade of chemical products. Since entering the chemical industry in 1995, it has always been dedicated to providing supply chain services for chemical raw materials, fine chemicals and environmental protection ... Sichuan Hongjian Chemical is a comprehensive enterprise specializing in the trade of chemical products. Since entering the chemical industry in 1995, it has always been dedicated to providing supply chain services for chemical raw materials, fine chemicals and environmental protection ...
