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The Game-Changer for Polymer Foaming Applications

Views: 0     Author: Site Editor     Publish Time: 2025-11-24      Origin: Site

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FS650 Expandable Microsphere Masterbatch: The Game-Changer for Polymer Foaming Applications



FS650 is a white granular masterbatch composed of 60~70% SBS resin (styrene-butadiene copolymer) and 30~40% acrylate-based expandable microspheres. Through advanced grading and screening processes, it boasts a concentrated particle size distribution and complete plasticization, ensuring consistent performance in every application.


What sets FS650 apart is its food-grade environmental friendliness – free of azo compounds and formamide, it meets strict safety standards for food-related and sensitive applications. Whether you’re working with PP, LDPE, HDPE, HIPS, GPPS, ABS, AS, TPE, or TPO, this masterbatch seamlessly integrates into extrusion, injection molding, and blow molding processes, adapting to diverse production needs.


Outstanding Technical Specifications

截屏2025-11-24 10.38.48


Wide-Ranging Application Fields

FS650’s compatibility with multiple polymers and safe, high-performance characteristics make it a top choice for diverse industries. Here are its core application areas:


1. Food Packaging Industry

As a food-grade certified product (free of azo and formamide), FS650 is ideal for manufacturing food contact materials. It is widely used in:

  • Lightweight food trays (e.g., fruit, snack, and ready-meal trays)

  • Flexible food films (for freshness preservation)

  • Rigid food containers (e.g., yogurt cups, takeout boxes)

        Its fine cell structure ensures good barrier properties while keeping products lightweight and cost-effective.



2. Daily Necessities & Toys

For consumer goods requiring safety, texture, and durability, FS650 delivers exceptional results:

  • Soft-touch plastic toys (e.g., plush toy cores, puzzle edges)

  • Household items (e.g., non-slip mats, foam grips for kitchenware)

  • Cosmetic packaging (lightweight jars, pump components)

        The uniform foaming effect enhances product comfort and reduces material weight without compromising strength.


3. Insulation & Soundproofing Materials

With its closed-cell structure formed after expansion, FS650 excels in thermal and acoustic insulation:

  • Building insulation panels (e.g., PP/PE-based wall insulation)

  • Automotive interior insulation (door panels, roof liners)

  • Electronic device casings (insulating covers for wires, chargers)

        It helps lower energy consumption for buildings and vehicles while reducing noise pollution.


4. Automotive & Industrial Components

In the automotive and industrial sectors, FS650 supports lightweighting and performance optimization:

  • Automotive interior parts (e.g., dashboard foam layers, seat back panels)

  • Industrial buffers (shock-absorbing pads for machinery)

  • Pipe insulation sleeves (protective layers for water/gas pipes)

       Its stable expansion ratio ensures consistent part dimensions and reliable mechanical properties.


5. Decorative & Functional Plastics

  • For products needing aesthetic appeal and functional versatility:

  • Decorative plastic sheets (e.g., simulated wood-grain panels, textured wall coverings)

  • Foam-based stationery (lightweight notebooks, pencil cases)

  • Sports equipment components (shock-absorbing grips for rackets, helmets)



Why Choose FS650 Expandable Microsphere Masterbatch?

  • Eco-Friendly & Safe: Complies with global environmental and food safety regulations, eliminating risks of harmful substance migration.

  • Versatile Compatibility: Works with 8+ common polymers and 3 core processing methods (extrusion, injection, blow molding).

  • Fine & Uniform Cell Structure: Produces small, consistent bubbles that boost product texture, insulation, and impact resistance.

  • Cost-Effective: Low recommended dosage (2~8%) reduces material usage while achieving high expansion, cutting production costs.

  • Stable Performance: Strict quality control (from raw material screening to finished product testing) ensures batch-to-batch consistency.


At Guangzhou Benqi New Materials Co., Ltd., we are committed to providing top-tier special rubber and plastic solutions tailored to your industry needs. Our FS650 Expandable Microsphere Masterbatch combines advanced technology, environmental safety, and wide applicability to help you stay ahead in the competitive polymer market.


Contact us today to discuss your application requirements – our team will provide customized support to optimize your production process and enhance product value!


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BENQl,founded in 2008, is a science and technology company that focus on the high-end modified foaming agent ,hihg technology stabilizer & foaming agent masterbatch of plastic industry.

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