TSRC Taipol 6151 SEBS

Product Overview

Manufacturer: TSRC Corporation

Material Category: SEBS (Styrene-Ethylene/Butylene-Styrene Block Copolymer)

Physical Appearance: White loose powder

Taipol® 6151 is a medium-high molecular weight, high styrene content (31.0–34.0 wt%) SEBS base polymer introduced by TSRC. As a high-end elastomer modification base material, it is renowned in the industry for its excellent purity, weatherability, and mechanical strength. This product is widely used in TPE/TPR compound pelletizing, high-end adhesives, automotive seals, and consumer electronics overmolding, providing downstream customers with a stable hydrogenated elastomer solution.

Technical Data Sheet (TDS)

Polymer Characteristics

Sales Specifications

The technical data sheet (TDS) of Taipol® 6151 material from TSRC corporation, if there are differences, please refer to the official website of TSRC.

Features & Benefits

• Excellent weather and heat aging resistance: The SEBS molecular chain is fully hydrogenated with no double bonds, providing outstanding UV resistance and heat-oxygen aging performance, suitable for long-term outdoor use.
• High mechanical strength and melt strength: Medium-high molecular weight and 31.0–34.0 wt% styrene content impart excellent cohesive strength and tensile properties; modified TPE products are resistant to deformation.
• Superior oil extension and blending compatibility: The porous powder form enables rapid oil absorption, allowing uniform blending with white oil, antioxidants, and various resins (e.g., PP, PS).
• Low volatiles and high purity: Volatile content ≤0.5%, extremely low ash (≤0.2% without anti-blocking agent), meeting stringent requirements of high-end modification and environmental regulations for VOCs.
• Recyclability and processing flexibility: As a thermoplastic material, processing scrap and end-of-life products can be fully recycled and reused; supports multiple processes including injection molding, extrusion, and calendering.

Typical Applications

• TPE/TPR compound pelletizing: As a core base material for producing high-transparency, high-elasticity TPE pellets, widely used in daily consumer goods and industrial components.
• Automotive industry: Used for manufacturing interior parts, seals, dust boots, and damping pads, meeting in-cabin low-odor (VOC) and weathering standards.
• High-end adhesives and sealants: Used in hot melt adhesives, pressure-sensitive adhesives, and waterproof sealants, providing excellent adhesion, cohesion, and weather retention.
• Consumer electronics and wire & cable: Used as jacketing for data cables, earphone wires, and appliance housings, offering soft-touch feel and flame-retardant modification potential.
• Medical devices and toys: Suitable for medical accessories requiring high purity (e.g., infusion tubes, stoppers) and environmentally compliant children’s soft toys.

Frequently Asked Questions (FAQs)

Q1: Does Taipol® 6151 require drying before blending and processing?​

A1: SEBS molecules themselves do not absorb water, but 6151 is supplied in powder form and is prone to moisture absorption and caking during transportation and storage. Moist powder can easily cause bubbles, fish eyes, and strand breakage during twin-screw compounding. It is recommended to check flowability before processing; if damp, dry at 60–80 °C hot air for 2–4 hours. The key is to keep the powder loose and add antioxidants simultaneously to protect the molecular chain.

Q2: What are the advantages of Taipol® 6151 compared to ordinary SBS or low-styrene SEBS?​

A2: Compared with ordinary SBS, 6151 is fully hydrogenated, completely solving the problems of easy yellowing and poor heat-oxygen aging caused by double bonds in SBS, resulting in a longer service life. Compared with low-styrene SEBS, 6151 has a higher styrene content (31.0–34.0 wt%) and medium-high molecular weight, leading to more distinct phase separation, higher tensile strength, better melt strength, and a drier surface feel, making it very suitable for TPE structural parts requiring mechanical performance and heat resistance.

Q3: How to confirm RoHS/REACH and food contact compliance for end products modified with Taipol® 6151?​

A3: The Taipol® 6151 base polymer itself features low volatiles (≤0.5%) and low ash (≤0.2%), but “the grade itself” does not equal “end-product compliance.” RoHS/REACH compliance requires confirmation based on batch COA and third-party test reports. If the end product is for food contact (e.g., FDA, EU 10/2011) or medical devices, in addition to the original manufacturer’s food-grade declaration, the entire formulation system (including white oil for oil extension, antioxidants, fillers, and color masterbatches) must use food-grade compliant raw materials, and migration tests must be conducted on the final product.

Q4: What is the practical impact of diblock content control in Taipol® 6151 on end products?​

A4: Taipol® 6151 strictly controls diblock content to <1 wt%. An extremely low diblock (SI/SEB two-block) content means the material has higher molecular structural regularity and phase separation purity. In actual TPE modification, this can significantly improve the product’s compression set resistance, cohesive strength, and solvent extraction resistance, preventing issues such as oil bleeding, tackiness, or rapid deterioration of mechanical properties after long-term use.