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K-Resin (SBC): High Clarity Styrene-Butadiene Copolymer

Technical Overview

Global K Resin Polymer Industry Outlook

Key Points

  • Material Overview: K-Resin, a styrene-butadiene copolymer, is recognized for clarity, toughness, and easy processing.
  • Applications: Widely used in packaging, toys, footwear, medical components, and consumer goods; often blended with polystyrene for enhanced impact resistance.
  • Market Growth: Projected to grow from US$101 million (2023) to US$186 million by 2030, at a CAGR of 8.7%.
  • Key Manufacturers:
    • INEOS Styrolution (UK) dominates production, with facilities in South Korea.
    • Other producers include Denka (Japan), BASF (Germany), and Sunion Elastomer (China).

Basic Properties

K-Resin combines the following characteristics:

  • Optical Clarity: High gloss and transparency for aesthetic applications.
  • Mechanical Strength: Impact toughness and stiffness for durability.
  • Processing Advantages:
    • No pre-drying required.
    • Compatible with polymers like SAN, SBS, PETG, PP, and SMMA.
    • Suitable for injection molding, blow molding, and thermoforming.
  • Lightweight: Ideal for weight-sensitive applications (e.g., medical devices).

Applications & Advantages

Primary Sectors

  1. Rigid Packaging: Blister packs, containers, cups, and lids.
  2. Consumer Goods: Toys, household appliances, and office supplies.
  3. Medical: Sterile packaging and device components.
  4. Footwear: High-quality, transparent and durable footwear.

Blending Practices

  • Blending with crystal polystyrene to improve impact resistance while retaining clarity.
  • Blending with SBS(Styrene-Butadiene-Styrene) for enhanced impact resistance and transparency.

Commercial Development

Supply & Demand Analysis

Metric 2023 2030 (Projected) CAGR
Market Size US$101M US$186M 8.7%

Key Drivers

  • Increased Demand: Growing consumer demand for high-quality, durable products in packages and footwear industries.
  • Competitive Landscape: Strong market position with a diverse range of brands.
  • Innovation: Focus on enhancing product quality and durability.

Raw Materials Dependencies

  • Primary Feedstocks: Styrene and butadiene (petrochemical derivatives).
  • Supply Risks: Vulnerable to oil price fluctuations and geopolitical factors.
  • Mitigation Strategies: Bio-based alternatives (e.g., K-Resin ECO) to reduce fossil fuel reliance.

Global Manufacturers

Manufacturer Production Sites Brand Name Grades
Denka Japan, Singapore, Thailand Clearen, Denka NSBC Clearen series: Clearen 631M, etc.; Denka NSBC series: NSBC 210, NSBC 211, NSBC 310, etc.
BASF Ludwigshafen, Germany; Antwerp, Belgium Styrolux Grades: Styrolux 6800, Styrolux 6810, Styrolux 6820, etc.
Chimei Tainan, Taiwan KIBITON® Q Resin Grades: KIBITON® Q Resin PB-5903, etc.
Sunion Elstomer Maoming, China K Resin Grades: SL-802, SL805G etc.
INEOS Styrolution Yeosu, South Korea K-Resin® Grades: KR05, KR10, KR20, KR90, KR99, etc.

Current Offering by Bohr Chem

Shenzhen Bohr Chemical Co., Ltd supplies various grades of K-Resin suitable for different packaging applications. Our product portfolio meets international quality standards for food contact and medical applications.

Key Citations

  • INEOS Styrolution K-Resin Product Guide
  • BASF Styrolux SBC Resin Technical Documentation
  • Denka Clearen SBC Product Overview
  • Sunion Elstomer K Resin Product Specifications
  • Chimei KIBITON Q Resin Product Information