High-Strength MBS-597/598 Launched: Upgrade Alternative to MBS-51 for PVC/CVC High-Strength Applications

Release time:

2026-04-06

Recently, a leading enterprise specializing in the R&D of rubber and plastic modified additives has launched the new high-strength MBS-597/598 series products, which are precisely designed to meet the strict requirements for mechanical strength and impact resistance of PVC (Polyvinyl Chloride) and CVC (Chlorinated Polyvinyl Chloride) materials. Fully benchmarking the mature MBS-51 product in the industry, MBS-597/598 achieves a leap in strength performance while maintaining excellent processing adaptability, providing a better modification solution for high-end PVC products and CVC composite material fields.
As a core modified additive for PVC processing, MBS (Methyl Methacrylate-Butadiene-Styrene Copolymer) plays a key role in improving the impact strength, toughness and processing fluidity of PVC materials. It is widely used in pipes, profiles, sheets, foamed products and other PVC/CVC application fields. The traditional MBS-51 has long occupied the mid-to-high-end modified market with its balanced comprehensive performance. However, with the upgrading of downstream industries, high-end building materials, automotive interiors, special packaging and other scenarios have put forward higher standards for material tensile strength, flexural strength and low-temperature impact resistance, making conventional MBS products difficult to meet the demand.
The newly launched MBS-597/598 has achieved a breakthrough in core performance through optimized polymerization process and molecular structure design: compared with MBS-51, the product's tensile strength is increased by 15%-20%, flexural strength by 12%-18%, and low-temperature (-20℃) impact strength is significantly enhanced. At the same time, it retains the excellent compatibility of MBS additives with PVC and CVC, without affecting the processing stability, color and weather resistance of materials. It is suitable for mainstream processing technologies such as extrusion, injection molding and calendering. The addition ratio is basically the same as that of MBS-51, which can be directly replaced without adjusting the existing production formula.
In terms of application fields, MBS-597/598 fully covers and upgrades the core scenarios of MBS-51, focusing on high-strength demand tracks, which is recommended to customers with reference to the application fields of MBS-51: First, the high-end PVC building materials field, including high-strength PVC foamed sheets, rigid PVC door and window profiles, and engineering PVC pipes and fittings. It solves the problems of traditional products being easy to brittle and insufficient impact resistance, and is suitable for building exterior wall decoration, industrial pipelines, high-end furniture sheets and other scenarios. Second, the CVC composite material field, which improves the mechanical strength and tear resistance of CVC films and sheets, and is used in high-end packaging, medical supplies and automotive interior composite materials. Third, special PVC products, such as PVC electrical casing, sports equipment accessories and industrial protective components, which meet the strength and durability requirements under long-term use and complex working conditions.
Industry insiders said that the current PVC modified additives market is developing towards high performance and specialization. The launch of MBS-597/598 fills the product gap in the high-strength MBS segment. Compared with ordinary MBS products, it achieves strength upgrading without increasing too much cost, helping downstream enterprises improve product quality and expand the high-end market. It is especially suitable for PVC/CVC product manufacturers pursuing high cost performance and high performance.
In the future, the enterprise will continue to optimize the performance of the MBS series products, launch customized additives for segmented needs such as foaming, weather resistance and environmental protection, help the PVC and CVC industries transform towards high-end and green development, and provide more comprehensive technical support for the rubber and plastic modification field.

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