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Metal passivation

Dedicated passivation routes for die-cast aluminium, stainless steel and magnesium.

Application image, not product packaging
APPLICATION-LED SOLUTIONS

Start with your process conditions.

Select against metal grade, surface condition and corrosion criteria and validate on actual components.

Substrate
Die-cast aluminium / stainless steel / magnesium, dedicated models
Process
Confirm by model and production conditions
Next operation
Rinsing, drying and inspection
Discuss this solution
PRODUCT SELECTION / 03 MODELS

Models & application conditions

Dedicated passivation routes for die-cast aluminium, stainless steel and magnesium.

RT = ambient temperature. Values are trial references from product literature, not production instructions. Confirm model-specific TDS and SDS and validate on actual components before use.

QAL-45

Chromium-free die-cast aluminium passivation

Model details ↗
Substrate
Die-cast aluminium; confirm alloy grade
Method
Clean → rinse → passivate → rinse → dry
Trial temperature
Confirm against model TDS
Packaging
25 kg / drum

For oxidation and mould protection of die-cast aluminium. Validate adhesion and corrosion performance for the intended coating.

Based on product literature for the matching item numberProduct source · 1688 ↗Ask about this model / quote & sample ↗
QPA-810

Natural-finish stainless steel passivation

Model details ↗
Substrate
Evaluate 304 / 316 / 316L; trial 201 / 410 / 430 separately
Method
Confirm immersion / spray; rinse thoroughly and dry
Trial temperature
Confirm against model TDS
Packaging
25 kg / drum

For natural-finish stainless steel passivation. Preclean, passivate, rinse, dry and inspect against corrosion criteria for the actual service environment.

Based on product literature for the matching item numberProduct source · 1688 ↗Ask about this model / quote & sample ↗
QMg-530A/B

Magnesium alloy passivation

Model details ↗
Substrate
Magnesium alloys; confirm grade
Method
Two-component conversion / passivation; follow model-specific TDS
Trial temperature
Confirm against model TDS
Packaging
25 kg / drum

A chromium-free route for magnesium alloy automotive, 3C and lightweight components. Confirm A/B ratio, pretreatment and operating conditions with technical support.

Based on product literature for the matching item numberProduct source · 1688 ↗Ask about this model / quote & sample ↗

For product selection, please share

  • Metal grade, surface condition and corrosion criteria
  • Current process and downstream requirements
  • Usage, destination country and sample objectives

Include component photos, treatment goals and acceptance criteria. Our technical team will review materials, equipment and downstream operations to define candidate products and a trial plan.

Test results apply only to the submitted samples and listed test scope. China RoHS six-substance reports are not EU RoHS ten-substance declarations. Reports without a model number are not automatically assigned to any model on this page.

Selection questions

Can one passivation product treat all metals?

Do not assume interchangeability. Match separate models to die-cast aluminium, stainless steel and magnesium, with trials against alloy, finish and corrosion criteria.

Is cleaning required before passivation?

Assess oils, polishing wax and surface condition, then establish pretreatment, rinsing and drying against the selected model. Confirm conditions separately for each metal and passivation system.

What should I provide for sample evaluation?

Share alloy grade, contamination, equipment, available temperature, downstream requirements and component photos, together with finish and acceptance criteria.

Can website trial parameters be used directly in production?

Website conditions support initial selection. Obtain model-specific TDS and SDS and validate actual components, equipment, water quality and downstream requirements before production. Do not interchange model parameters.

Explore application scenarios

The right solution starts with a conversation.

Tell us about your substrate, process and goals.

Talk to our team
Submit your requirements and component photos for follow-up by our sales team.