LG202 Neutral Rust Remover

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  • Estimated Delivery:Jun 19 - Jun 23

We focus on the production of metal cleaning agents, neutral rust removers, and metal coating agents. The metals we can handle include iron parts, aluminum parts, cast aluminum, galvanized parts, magnesium-plated parts, etc.
Product description

CategoryDetails
Product OverviewLG202 Neutral Rust Remover is a revolutionary eco-friendly organic rust remover. It safely and efficiently dissolves and removes rust (Fe₂O₃, Fe₃O₄), scale and weld spots on steel surfaces through unique complexation and penetration under nearly neutral (weakly acidic) conditions. It provides excellent corrosion inhibition for steel substrate without over-corrosion and hydrogen embrittlement. Free of strong acids, inorganic acids and heavy metals, it is an ideal alternative to traditional pickling.
Chemical PropertiesNeutral, amber to colorless transparent liquid, slightly corrosive.
Product FeaturesHigh-efficiency cleaning: oil removal rate > 99%, fast speed
Safe & non-corrosive: nearly non-corrosive to 304/316 austenitic stainless steel, no hydrogen embrittlement
Versatility: suitable for soaking, spraying, ultrasonic, electrolytic cleaning
Eco-friendly: phosphorus-free, heavy metal-free, no controlled ODS substances, excellent biodegradability
Cost-effective: low concentration, long service life, low comprehensive cost
Controllable foam: low foam (for spraying) & general type (for soaking)
Process ParametersStock solution pH: 6.0 - 7.0 (weakly acidic to neutral)
Temperature: room temperature ~ 50℃ (optimal at 45℃)
Treatment time: soaking 10 minutes ~ 1 hour (depending on rust severity)
Tank Preparation (1 Ton)LG202 Neutral Rust Remover: 10-15%
Dilute with clean water to 1 ton, stir until fully dissolved
Application MethodPre-treatment: remove heavy oil sludge; alkaline degreasing for heavy oil; mechanical derusting for thick rust/scale
Rust removal: immersion (recommended), brushing/spraying, keep surface wet until rust is removed
Post-treatment: short-term rust prevention (air dry directly); long-term protection (phosphating, passivation, painting, oiling)
Tank MaintenanceReplenish new solution when rust removal speed decreases and solution turns dark reddish brown. Partial or full replacement is required when iron ion content is too high.
PrecautionsPersonal protection: wear chemical-resistant gloves, goggles and splash suits; rinse with water immediately after contact
Limitations: long treatment time for heavy compact mill scale, mechanical pre-treatment recommended; timely protection to avoid re-rusting
Wastewater treatment: adjust pH to neutral, flocculate and precipitate before discharge
Material compatibility: affects aluminum and zinc; use plastic, stainless steel or rubber-lined equipment
Storage & PackagingPackaging: 25kg/plastic drum, 1000kg/plastic drum
Storage: cool and dry place, avoid direct sunlight and high temperature; anti-freezing in winter (usable after thawing and stirring)
Shelf life: 24 months in unopened original package
DisclaimerThe information is based on current knowledge and experience. Users are responsible for process testing and evaluation due to uncontrollable actual conditions. We shall not be liable for direct or indirect losses caused by improper storage, operation or use beyond the recommended range.

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