SBS YH-805E is a radial styrene-butadiene-styrene block copolymer with 40% styrene and 32–33% oil content, giving it a comparatively softer material profile with a Shore A hardness of 60. Its tensile strength is 12 MPa, while the melt flow rate reaches 5 g/10 min at 200°C/5 kg, indicating considerably higher melt flow than the other listed radial grades.
Product Name: Styrene Butadiene Styrene Block Copolymer (SBS)
Grade: SBS YH-805E
Structure: Radial
SBS YH-805E Technical Data:
| Items | Index |
| Appearance | White Fluffy Particle |
| SM Content | 40 % |
| Volatile Matter | ≤ 1.0 wt% |
| Oil Content | 32-33 % |
| Tensile Strength | 12 Mpa |
| Hardness | 60 Shore A |
| Melt Flow Rate (200℃ ,5kg) | 5 g/10 min |
| Toluene Solution Viscosity (25 ℃) | 400 (15%) Mpa.s |
Applications:
Plastics Modification: Compounded with resins to produce flexible, high-impact modified plastic blends.
Shoe Material: Applied in specialized lightweight footwear midsoles for enhanced cushioning.
Soft Toy: Used in ultra-soft, high-oil-content flexible toy manufacturing for superior skin-friendly flexibility.
Package:
15/20kg paper bag 510/660kg etc. super bag.
Storage:
SBS should be stored in a cool, dry, and well-ventilated warehouse away from direct sunlight, heat sources, and open flames. Keep the packaging tightly sealed to prevent contamination by moisture, dust, or oil, and avoid heavy stacking to prevent product deformation.
SBS (Styrene Butadiene Styrene Block Copolymer) is a thermoplastic elastomer (TPE) comprised of polystyrene and polybutadiene blocks. It uniquely combines the processability of thermoplastics with the elasticity and resilience of vulcanized rubber, requiring no vulcanization during processing.
SBS YH-791E is a linear thermoplastic styrene-butadiene block copolymer with a styrene-butadiene (SM) content of 30% and a 0% oil-content formulation. It delivers a balanced tensile strength of 15 MPa and a Shore A hardness of 76, offering excellent melt flow properties and a toluene solution viscosity.
SBS YH-792E features a linear molecular configuration with an increased styrene content of 40% and zero oil extension. It provides superior mechanical strength with a high tensile strength of 29 MPa and an increased Shore A hardness of 89, while maintaining a smooth processing melt flow index.
SBS YH-796E is a linear grade characterized by a lower styrene content of 20% and an un-oiled matrix. It exhibits high elasticity and a lower hardness of 60 Shore A, coupled with a higher melt flow rate (2 g/10min) and a high toluene solution viscosity, ensuring high flexibility and elasticity.
SBS YH-791H is a linear structure copolymer containing 30% styrene with 0% oil content, specifically engineered for ultra-low melt flow (0.1 g/10min) and high molecular weight stability. It yields a strong tensile strength of 20 MPa and a standard Shore A hardness of 76.
SBS YH-4303-2E is a radial styrene-butadiene-styrene block copolymer with 30% styrene content, designed with a balanced combination of mechanical strength and processing performance. The grade has no oil content and a volatile matter content of ≤1 wt%, while its toluene solution viscosity is approximately 1100 mPa·s at 25°C based on a 15% solution.
SBS YH-803E is a radial styrene-butadiene-styrene block copolymer with a relatively high styrene content of 40%, providing a firm material profile with a Shore A hardness of 89. The grade offers a tensile strength of 22 MPa and a melt flow rate of 0.1 g/10 min at 200°C/5 kg, combining good mechanical strength with stable melt processing characteristics.
SBS YH-813 is a radial block copolymer formulated with 35% styrene and characterized by a high Shore A hardness of 90. It provides a tensile strength of 22 MPa, reflecting a strong mechanical profile, while its oil-free composition and volatile matter content of ≤1 wt% support consistent material quality.
SBS YH-815E is a radial styrene-butadiene-styrene block copolymer containing 40% styrene and 10–11% oil, giving it a different formulation profile from the oil-free grades in the series. It has a tensile strength of 24 MPa and Shore A hardness of 89, representing one of the higher tensile strength levels among the listed grades.
SBS YH-805E is a radial styrene-butadiene-styrene block copolymer with 40% styrene and 32–33% oil content, giving it a comparatively softer material profile with a Shore A hardness of 60. Its tensile strength is 12 MPa, while the melt flow rate reaches 5 g/10 min at 200°C/5 kg, indicating considerably higher melt flow than the other listed radial grades.
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