Applications of Solvay ZEOSIL 175MP Micropearl Highly Dispersible Silica in Industrial Manufacturing

As the original manufacturer of ZEOSIL 175MP Micropearl, we supply this highly dispersible silica to industrial clients who require advanced processing performance, reliable formulation flexibility, and proven regulatory compliance. The following application scenarios highlight real, large-scale downstream uses where ZEOSIL 175MP delivers process and quality outcomes, with detail on integration parameters for our core B2B partners.

1. High-Performance Passenger Car Tire Compounding

Leading tire manufacturers incorporate our ZEOSIL 175MP Micropearl as a reinforcing filler to achieve lower rolling resistance and improved wet grip in passenger tire tread compounds. Its optimized particle morphology and fast dispersibility cut compounding times, supporting large-batch continuous mixing lines. This material directly contributes to the silica phase in green tire technology, allowing for reduced carbon black content and compliant rolling resistance labeling in global markets.

Industry compliance standards

• EU Regulation (EC) No 661/2009 (tyre rolling resistance, wet grip, noise limits)
• UN ECE Regulation No 117 (Worldwide Harmonized Tyre Regulation)
• ISO 9001:2015 (Quality Management Systems for Automotive Supply Chain)
• OEM in-house approval and sustainability audits (as specified by Bridgestone, Michelin, Continental, etc.)

Typical usage ratio

• Typically 40–90 phr (parts per hundred parts rubber) in tread, depending on target rolling resistance and grip class. Higher dosage favors ultra-low rolling resistance; process engineers adjust based on rubber grade and target label.

Downstream process integration

• Introduced during the first mixing stage in Banbury-type internal mixers, following oil and polymer addition; intensive mechanical shearing activates surface hydrophilicity and ensures dispersion prior to curatives and final mixing. Suitable for both batch and continuous lines.

Final product types

• Ultra-high-performance passenger car radial (PCR) tires
• All-season and winter tire treads with silica-based formulations
• Green/ecorated low rolling resistance tire lines

2. Truck and Bus Tire Formulations

Commercial vehicle tire producers need enhanced abrasion resistance and mileage, demanding reinforcing fillers that disperse rapidly and work well with multi-stage mixing. ZEOSIL 175MP's granule geometry ensures quick micropearling in large-scale Banbury mixers without excessive dust or agglomerate formation. This supports robust tread compound architecture for heavy-duty long-haul and urban bus tires under load-stress conditions.

Industry compliance standards

• FMVSS 119 (U.S. Truck/Bus Tire Performance)
• UN ECE R54 and R117 (Commercial Vehicle Tire Safety and Environmental Requirements)
• DIN EN ISO 14001 (Environmental Management in Tire Plants)
• Customer-specific sustainability audits for extended mileage and re-treadability

Typical usage ratio

• 20–60 phr in tread and sidewall compounds. Lower end targets high load; higher end achieves wet/snow grip balancing durability. Adjusted with carbon black/silane coupling agents.

Downstream process integration

• Metered into the first pass with polymers and process oils. The process uses staged silanization to maximize filler-polymer interaction at mixing temperatures of 140–170°C.

Final product types

• On-highway radial truck tires
• City transit, intercity, and regional bus tire lines
• Heavy-duty commercial retreadable casings

3. Technical Rubber Goods for Automotive NVH Dampers

Automotive OEMs and Tier 1 suppliers employ ZEOSIL 175MP in NR, SBR, and EPDM-based vibration-damping components where tightly controlled modulus, rebound, and acoustic damping are needed. The fine micropearled morphology prevents blending dead-zones, improving batch-to-batch consistency in dynamic mounts and bushings exposed to engine and road oscillations.

Industry compliance standards

• IATF 16949 (Automotive Quality Management Systems)
• OEM-specific NVH (noise, vibration, harshness) component qualification (e.g., Ford WSS-M99D36-B, VW TL 526)
• ISO 9001:2015
• REACH Regulation (Registration, Evaluation, Authorisation and Restriction of Chemicals) for EU markets

Typical usage ratio

• 10–35 phr in anti-vibration and noise-damping elastomer blends. Added content tailored to Shore A hardness, rebound elasticity, and thermal durability targets per finished component specification.

Downstream process integration

• Blended with base polymer and processing aids in open mill or internal mixer during primary compounding; introduced early to maximize filler distribution before curative stages. Suitable for both batch and continuous automated dosing systems.

Final product types

• Engine mounts and transmission bushings
• Chassis vibration dampers
• Exhaust suspension bush assemblies

4. Shoe Sole Formulations for Sports and Outdoor Footwear

Major foam and rubber outsole manufacturers select ZEOSIL 175MP to achieve precise rebound, traction, and abrasion profiles in EVA and rubber outsoles for athletic and hiking footwear. The highly dispersible micropearl format enables homogenous integration during high-shear mixing, reducing cycle time and improving in-mold quality. This delivers steady sole hardness, flexibility, and color consistency, supporting modern lightweight design trends.

Industry compliance standards

• ISO 20871:2018 (Footwear—Outsole Abrasion Resistance)
• ISO 9001:2015 (Quality Management Systems for Footwear Manufacturing)
• Restricted substances compliance according to Regulation (EC) No 1907/2006 (REACH)
• China GB/T 15107 (General technical requirements for rubber shoes)

Typical usage ratio

• 3–10 phr in EVA blends, 10–25 phr in rubber outsoles; dosage tuned for target abrasion ratings, slip resistance, and density control. Color-sensitive designs use lower end of range for optimal shade retention.

Downstream process integration

• Added directly to polymer base with plasticizers in Banbury mixers or high-speed turbo mixers; dispersed before crosslinking agents to ensure filler/network interaction and uniform resilience.

Final product types

• Sports shoe outsoles (running, tennis, basketball)
• Outdoor and hiking boot soles
• Casual and work shoe rubber base

5. Belting and Conveyor Rubber Manufacturing

Producers of industrial and mining conveyor belts use this high-dispersibility silica for enhanced tensile strength, abrasion resistance, and heat stability. Consistent micropearl distribution reduces belt failures and supports sustained dynamic loading. ZEOSIL 175MP withstands aggressive mixer settings and allows precise control of modulus/elongation for harsh conveyor pathways.

Industry compliance standards

• ISO 14890 (Conveyor belts—General purpose, requirements)
• DIN 22102 (German standards for textile conveyor belts)
• REACH (EC) No 1907/2006 (for EU industrial use)
• RoHS Directive 2011/65/EU for restricted substances in manufacturing equipment

Typical usage ratio

• 15–40 phr in belt cover compounds; dosage set based on abrasion loss target, tensile retention, and required heat build-up management for heavy-duty or high-speed lines.

Downstream process integration

• Metered into internal mixer simultaneously with reinforcement fibers and process oils; homogenized under high shear before final accelerator/curative addition and calendering. Adaptable to automated feeder systems on multi-stage industrial lines.

Final product types

• Industrial conveyor belts for aggregate and mining
• Heat-resistant rubber belting for cement and steel plants
• Oil-resistant conveyor covers for recycling and food processing lines

6. Silicone Rubber Formulations for Electrical Insulation

Producers of wire, cable sheathing, and molded electrical insulation integrate our highly dispersible silica to reinforce LSR and HTV silicone grades, providing enhanced dielectric strength, arc resistance, and mechanical toughness required for certified electrical products. This material permits facile color and transparency control, while supporting continuous compounding for thin-wall and profile extrusion lines.

Industry compliance standards

• UL 94 (Flame Class for Plastics Materials)
• IEC 60243 (Electrical Strength of Insulating Materials)
• ISO 14001 (Environmental management in cable/wire facilities)
• RoHS and REACH restricted substances conformity

Typical usage ratio

• 7–20 phr in LSR/HTV silicone systems; adjusted for required insulation class, tensile properties, and modulus. Lower dosage supports thixotropy and clarity; higher dosage for enhanced arc resistance.

Downstream process integration

• Compounders introduce the silica during initial mixing of silicone base and fumed silica, prior to addition of crosslinkers and colorants. Suitable for injection, extrusion, and calendered product lines.

Final product types

• Cable and conductor insulation jackets
• High voltage insulator housings
• Molded electrical safety components for LV/HV equipment