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ChengduFirst FM-41 Universal Flow Release Agent

First® FM-42 is a universal flow demoulding agent for rubber, formulated as a synergistic blend of saturated fatty acid soap salt and high-efficiency lubricants. This internal processing aid reduces green rubber viscosity, improves flowability, and enhances mold release across NR, SBR, BR, NBR, and EPDM compounds. Designed for extrusion molding, injection molding, and microcellular foaming, FM-42 increases shot volume in complex cavity molds, improves dimensional stability, and enables better venting to reduce bubble defects. It also functions as a dispersing agent for fillers and curatives, ensuring uniform compound quality.

Phone: 0750-6680778

Product Description

Product Overview

First® FM-42 is a universal flow demoulding agent based on a synergistic blend of saturated fatty acid soap salts and high-efficiency lubricants. It is designed to solve two key challenges in rubber processing: poor flow and difficult demolding.

This internal processing aid reduces green rubber viscosity, enhances cavity filling, and ensures clean release from molds – especially in complex-shaped molds, microcellular foaming, and injection molding applications.

FM-42 is suitable for a wide range of general-purpose rubbers, including NR, SBR, BR, NBR, and EPDM.

Key Features & Benefits 

Improves flowability – Significantly reduces compound viscosity, making rubber easier to process in extrusion, injection, and compression molding

Enhances demolding – Provides excellent internal release, reducing mold sticking and improving production efficiency

Increases injection shot volume – In injection molding, FM-42 allows higher shot volume per cycle, especially for complex or thin-wall molds

Improves dimensional stability – Helps maintain consistent part dimensions, reducing scrap rates

Enables better venting – Enhances air evacuation during molding, reducing defects like bubbles or incomplete fill

Acts as a dispersing agent – Improves dispersion of fillers, curatives, and other additives for more consistent compound quality

Suitable for microcellular foaming – Promotes uniform cell structure in foamed rubber products


Advantages Over Traditional Processing Aids

Lower melting point (60-70°C) ensures easy dispersion at typical rubber mixing temperatures

Balanced soap salt and lubricant system provides both flow promotion and release performance

No negative impact on cure kinetics when used within recommended dosage range

Packaging & Storage

Packaging: 25 kg/bag (kraft paper + PE liner) or as customer request

Storage: Keep in cool, dry place below 30°C, avoid moisture

Shelf life: 24 months from date of manufacture

 

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