Flow agent: Particle Size 5-20 μm, Bulk Density 0.1-0.3 g/cm³

Component Specifications

Definition

A flow agent is a specialized component in industrial food manufacturing systems designed to enhance the physical properties of powdered vitamin premix concentrates. It functions by reducing inter-particle friction and adhesion, ensuring consistent material flow through processing equipment. This component is critical in high-stability vitamin premix production lines where precise dosing and homogeneous mixing are required to maintain product quality and nutritional consistency.

Working Principle

The flow agent works by coating individual powder particles with a thin layer of anti-caking material, typically silica or calcium silicate. This coating reduces surface tension and electrostatic charges between particles, minimizing cohesion and adhesion forces. In high-stability vitamin premix systems, it maintains free-flowing characteristics even under varying humidity and temperature conditions, preventing bridging in hoppers and ensuring accurate volumetric or gravimetric feeding.

Materials

Food-grade silicon dioxide (SiO₂) or calcium silicate with purity ≥99.5%, particle size 5-20μm, bulk density 0.1-0.3 g/cm³, moisture content ≤5%, certified for food contact applications.

Technical Parameters

Parameter	Typical range	Notes & selection driver
Usage Level	0.5-2.0% by weight
Bulk Density	0.1-0.3 g/cm³
Heavy Metals	≤10 ppm
Particle Size	5-20 μm
Loss On Drying	≤6%
Arsenic Content	≤3 ppm
Moisture Content	≤5%
PH (5% Suspension)	6.5-7.5

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 22000, ISO 9001, FDA 21 CFR 182

Parent Products

This component is used in the following industrial products

High-Stability Vitamin Premix Concentrate

Specialized vitamin and mineral concentrate for industrial animal feed production.

View Product Details

High-Temperature Ceramic Coating Powder

High-Temperature Ceramic Coating Powder is a specialized material formulation intended for use in the manufacture of domestic appliances.

View Product Details

Engineering Analysis

Risks & Mitigation

Over-dosage affecting vitamin potency
Moisture absorption reducing effectiveness
Contamination from non-food-grade materials
Incompatibility with certain vitamin compounds

FMEA Triads

Trigger: Inadequate flow agent concentration
Failure: Poor powder flow leading to inconsistent dosing and mixing
Mitigation: Implement precise gravimetric feeding systems with real-time monitoring and automated adjustment capabilities

Trigger: Moisture ingress during storage or processing
Failure: Reduced flow agent effectiveness and potential caking
Mitigation: Use desiccant systems in storage containers and maintain controlled humidity environments in processing areas

Trigger: Particle size distribution outside specification
Failure: Inefficient coating of vitamin particles and uneven flow characteristics
Mitigation: Implement particle size analysis with automated rejection systems for out-of-spec material

Industrial Ecosystem

Compatible With

Typical Suppliers & Equivalents

Compliance & Inspection

Tolerance

±0.1% of target concentration in final premix

Test Method

ISO 3951-1:2013 for sampling procedures, ASTM B527 for tap density, USP <1174> for powder flow characterization

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

Check the legal entity, factory address, ownership, certifications, and direct contacts.

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

Manufacturers of Flow agent

Manufacturer profiles associated with Flow agent.

Sourcing Flow agent from China?

Tell us your specification and target quantity — we will match it against manufacturer records and come back with the factories that fit.

Request manufacturers We manufacture this

Manufacturer listings support early research and capability understanding. They are not certification, ranking, or transaction guarantees.

Related Components

Gasket Set

A gasket set for food-grade sanitary diaphragm valve cores, ensuring leak-proof sealing in hygienic fluid handling systems.

Sanitary Process Connection

Sanitary process connection is a hygienic fitting component designed for sterile fluid transfer in sanitary flow meters, ensuring contamination-free connections in food, beverage, and pharmaceutical processing.

Dispensing Nozzle

Fluid dispensing nozzles meter and direct liquids into containers through a controlled valve and shaped outlet designed for repeatable filling and shutoff.

Dust Enclosure/Seals

Dust enclosure and sealing components for product screening systems that prevent particulate contamination and maintain operational integrity.

Frequently Asked Questions

What is the primary function of a flow agent in vitamin premix production?

The primary function is to improve powder flow characteristics, prevent caking and bridging in storage and processing equipment, and ensure consistent material flow for accurate dosing and homogeneous mixing in vitamin premix formulations.

How does flow agent concentration affect vitamin premix stability?

Optimal concentration (typically 0.5-2.0%) enhances flow without negatively affecting vitamin potency or premix homogeneity. Excessive concentrations can dilute active ingredients, while insufficient amounts may not provide adequate flow improvement.

Are flow agents safe for human consumption in vitamin products?

Yes, food-grade flow agents like silicon dioxide and calcium silicate are Generally Recognized As Safe (GRAS) by regulatory agencies when used within specified limits in accordance with food safety standards.

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.

Flow agent