Can I contact factories directly on CNFX?

CNFX is an open directory. Each factory profile provides direct contact information.

Processing Aids Component – Rubber and Plastic Product Manufacturing

Component Specifications

Definition

Processing aids are chemical additives incorporated into high-temperature silicone rubber formulations to enhance processing characteristics such as flow, mold release, dispersion of fillers, and reduction of viscosity. They function by modifying surface interactions, reducing internal friction, and improving thermal stability during extrusion, molding, or calendering operations at elevated temperatures typically ranging from 150°C to 300°C.

Working Principle

Processing aids work by reducing the viscosity and internal friction of the silicone rubber compound through lubrication mechanisms, either at the polymer-filler interface or within the polymer matrix itself. They may act as internal lubricants, external release agents, or dispersants, facilitating smoother flow, better filler wetting, and easier demolding while maintaining the thermal and mechanical properties of the final cured product.

Materials

Typically composed of silicone oils (polydimethylsiloxane), fatty acid derivatives, waxes, or specialized organosilicon compounds. May include platinum catalysts, inhibitors, or other functional additives tailored for high-temperature stability (up to 300°C continuous service).

Technical Parameters

Compatibility High-temperature silicone polymers (VMQ, PVMQ)
Typical Loading 0.5-3.0 phr (parts per hundred rubber)
Thermal Stability >300°C for short periods
Viscosity Reduction 20-40%
Operating Temperature Range -60°C to 300°C

Standards

ISO 1629, ISO 11357, DIN 53504, ASTM D5289

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for Processing Aids.

Parent Products

This component is used in the following industrial products

High-Temperature Silicone Rubber Compound

Thermally stable silicone elastomer for appliance sealing and insulation

View Product Details

Fumed Silicone Rubber

A high-performance silicone rubber produced by fumed silica reinforcement, offering exceptional mechanical properties and thermal stability.

View Product Details

Engineering Analysis

Risks & Mitigation

Over-lubrication leading to poor adhesion
Thermal degradation at extreme temperatures
Incompatibility with certain curing systems
Migration to surface affecting secondary operations

FMEA Triads

Trigger: Incorrect dosage or incompatible additive selection
Failure: Poor flow characteristics leading to incomplete mold filling or surface defects
Mitigation: Implement precise metering systems and conduct compatibility testing with specific compound formulations

Trigger: Thermal degradation during high-temperature processing
Failure: Loss of effectiveness and potential contamination of final product
Mitigation: Use thermally stable additives and monitor processing temperatures with automated controls

Industrial Ecosystem

Compatible With

Interchangeable Parts

Compliance & Inspection

Tolerance

±0.1 phr for critical applications, ±0.5 phr for general use

Test Method

ISO 11357 for thermal analysis, ASTM D5289 for cure characteristics, DIN 53504 for mechanical properties

Procurement Evaluation Criteria

Not customer reviews or live demand data. These dimensions support RFQ preparation and supplier evaluation.

Technical documentation

4/5

Manufacturing capability

4/5

Inspection readiness

5/5

Supplier transparency

3/5

These scores are example evaluation dimensions, not real customer ratings, country-specific buyer feedback, or live inquiry activity.

Related Components

Base Deck

Structural foundation component of modular plastic pallets providing load-bearing support and stability.

Interlocking Mechanism

Interlocking mechanism for modular plastic pallets enabling secure stacking and alignment.

Forklift Entry Rails

Structural rails designed to guide forklift entry into modular plastic pallets for safe and precise handling.

Anti-Slip Surface

Anti-slip surface for modular injection molded plastic pallets enhances load stability and workplace safety.

Frequently Asked Questions

What is the primary function of processing aids in high-temperature silicone rubber?

The primary function is to improve processability by reducing viscosity, enhancing flow properties, facilitating mold release, and ensuring uniform dispersion of fillers during high-temperature manufacturing processes.

How do processing aids affect the final properties of silicone rubber products?

Properly formulated processing aids improve surface finish, reduce defects like air entrapment, and maintain thermal stability without significantly compromising mechanical properties such as tensile strength or elongation at break.

Can I contact factories directly?

Yes, each factory profile provides direct contact information.

Data Basis

CNFX manufacturer profiles, technical classification, publicly available product information, and ongoing plausibility checks.

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.

Processing Aids