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Metablen S-2130 is a silicone-acrylic core-shell impact modifier focusing on balance between transparency and impact resistance in the S series. While ensuring excellent weatherability, it achieves a balance of high transparency and impact strength, suitable for engineering plastic modification scenarios requiring transparency, weatherability and impact resistance, balancing appearance and performance.
Silicone-acrylic core-shell structure, excellent weatherability, not easy to age and yellow during long-term outdoor use
Outstanding transparency, little impact on light transmittance of transparent substrates such as PC and PMMA after addition
Excellent impact resistance, improving substrate toughness without significantly reducing rigidity
Good compatibility with transparent substrates like PC, PMMA and ABS, excellent processability
Transparent PC/PC alloy products (transparent protective masks, optical instrument housings, transparent medical device accessories)
Weather-resistant and transparent PMMA modified parts (outdoor transparent signs, lighting covers, high-end transparent panels)
Engineering plastic parts requiring transparency + weatherability + impact resistance (transparent electronic enclosures, transparent outdoor equipment accessories)
| Product Information | |
| Brand/Model | Mitsubishi Metablen S-2130 |
| Type | Silicone-Acrylic Core-Shell Impact Modifier |
| Performance & Compatibility | |
| Core Performance | Ultra-High Impact, Long-Term Weatherability, Damp-Heat Resistance |
| Compatible Resins | ASA, PC-ASA, ABS, PVC, PC |
| Packaging & Storage | |
| Packaging | 20 kg/bag |
| Storage | Cool/dry place, seal after opening |
Q1: What is the primary polymer matrix compatibility of Mitsubishi S-2130?
A: Mitsubishi S-2130 is specifically engineered for compatibility with rigid PVC (uPVC) formulations, including those used in pipe, profile, and sheet applications. It demonstrates good dispersion and interfacial adhesion in chlorinated polyethylene (CPE)-free systems and is not recommended for use in polyolefin or engineering thermoplastic matrices without prior compatibility testing.
Q2: How does S-2130 differ from conventional CPE-based impact modifiers?
A: Unlike traditional CPE modifiers, S-2130 is a core-shell acrylic impact modifier offering superior weatherability, thermal stability, and long-term color retention. It eliminates concerns associated with chlorine content while delivering consistent low-temperature impact performance and enhanced melt processability in extrusion and injection molding.
Q3: What is the typical dosage range for optimal impact performance in uPVC compounds?
A: S-2130 is typically used at low concentrations—generally ranging from 0.1% to 2% by weight of the total compound—depending on the required impact strength, processing method, and base resin characteristics. Optimal dosage should be determined through formulation trials under actual production conditions.
Q4: Is S-2130 suitable for applications requiring regulatory compliance for potable water contact?
A: S-2130 is formulated without heavy metals or intentionally added plasticizers and has been successfully incorporated into uPVC compounds that meet major global potable water standards—subject to full system validation by the compounder. End-use compliance depends on the complete formulation, processing conditions, and applicable regional regulatory requirements.
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