Coating Agent: Coating Thickness 2-10 microns

Component Specifications

Definition

A precisely formulated chemical coating applied to industrial-grade sodium percarbonate bleaching agent particles to create a protective barrier. This coating regulates oxygen release, prevents premature decomposition from moisture absorption, improves handling characteristics, and extends shelf life while maintaining bleaching efficacy in industrial applications.

Working Principle

Forms a thin, uniform hydrophobic film around sodium percarbonate particles through encapsulation technology. This film controls water penetration and oxygen diffusion rates, allowing gradual activation when exposed to aqueous environments while protecting the core material during storage and handling.

Materials

Polymer-based coating compounds (typically polyvinyl alcohol, polyethylene glycol, or silicone derivatives) with controlled solubility profiles. May include moisture scavengers and flow agents.

Technical Parameters

Parameter	Typical range	Notes & selection driver
PH Stability	8.5-10.5
Coating Thickness	2-10 microns
Activation Temperature	25-40°C
Particle Size Distribution	90% within 200-500 microns
Moisture Barrier Efficiency	>95% at 75% RH

Ranges are indicative industry figures for RFQ preparation, not a supplier commitment. Confirm every value and standard with the legal manufacturer before ordering.

Standards

ISO 9001, ISO 14001, DIN EN 12671

Parent Products

This component is used in the following industrial products

Industrial Grade Sodium Percarbonate Bleaching Agent

Sodium percarbonate is a chemical compound with formula 2Na2CO3·3H2O2, serving as a solid source of hydrogen peroxide.

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Engineering Analysis

Risks & Mitigation

Coating degradation at high temperatures
Incomplete coating coverage leading to inconsistent performance
Potential chemical incompatibility with certain process additives

FMEA Triads

Trigger: Inadequate coating thickness
Failure: Premature sodium percarbonate decomposition
Mitigation: Implement real-time thickness monitoring during application

Trigger: Coating material contamination
Failure: Reduced barrier effectiveness
Mitigation: Establish strict raw material quality control protocols

Industrial Ecosystem

Compatible With

Typical Suppliers & Equivalents

Compliance & Inspection

Tolerance

Coating uniformity ±5%, Active oxygen content ≥13.5%

Test Method

ISO 10678 for oxygen release rate, ASTM E96 for moisture vapor transmission

Procurement Evaluation Criteria

A practical evidence checklist for RFQ preparation and supplier evaluation.

Technical documentation

Request current drawings, revision history, and a signed specification sheet.

Manufacturing capability

Verify equipment lists, process limits, capacity, and representative production evidence.

Inspection readiness

Confirm test methods, calibrated equipment, sampling plans, and traceable reports.

Supplier transparency

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CNFX does not score or rank suppliers. Buyers must verify all claims and documents with the legal manufacturer before ordering.

Manufacturers of Coating Agent

Manufacturer profiles associated with Coating Agent.

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Frequently Asked Questions

What is the primary function of this coating agent?

To protect sodium percarbonate from premature decomposition by controlling moisture exposure and regulating oxygen release during industrial bleaching processes.

How does the coating affect bleaching performance?

It maintains full bleaching efficacy while providing controlled activation, preventing rapid oxygen depletion and ensuring consistent results throughout the process.

Data Basis

Editorial classification, named public sources where available, and source-reviewed manufacturer records. See the editorial policy.

Preliminary Technical Classification

This page supports structured research, RFQ preparation, and supplier evaluation. It does not replace buyer-led supplier qualification, standards review, or technical approval.

Coating Agent