Vishnu International is a manufacturer and domestic supplier of 8161 Styrene Isoprene Styrene (SIS), a high-performance thermoplastic block copolymer used across adhesives, sealants, asphalt/bitumen modification, and rubber compounding industries in India. Supplied in pure, oil-free white to light-yellow granules, 8161 SIS offers high tensile strength (>10 MPa) and elongation at break (>800%), making it a reliable choice for industrial manufacturers who need consistent mechanical performance batch after batch.

Key Specifications

• Product Name: 8161 Styrene Isoprene Styrene (SIS)
• Type: Thermoplastic block copolymer elastomer
• Appearance: White to light-yellow granules
• Tensile Strength: >10 MPa
• Elongation at Break: >800%
• Oil Content: 0% (oil-free, high-purity grade)
• UV Resistance: Moderate
• Form Available: Solid, pellet, granular, or powder
• Standard Compliance: GB/T 23615.1-2009 or equivalent
• Shelf Life: 2 years (in recommended storage conditions)
• Packaging: 25 kg bags
• Supply Coverage: Pan-India domestic delivery

Applications

8161 SIS is engineered for industrial use across:

• Adhesives & Sealants improved flexibility and bonding strength
• Asphalt & Bitumen Modification enhanced elasticity and durability of road/paving materials
• Rubber Compounding reinforces mechanical properties in rubber blends
• Plastics Processing added toughness and flexibility in compound formulations

Its block copolymer structure gives manufacturers a balance of processability and performance, while the oil-free composition reduces compatibility issues in sensitive industrial formulations.

Storage, Packaging & Domestic Delivery

For full 2-year shelf life, store 8161 SIS in a dry, cool, ventilated area away from direct sunlight and heat sources. Each batch is packed in secure 25 kg bags to ensure safe handling and transport. We supply bulk orders with prompt dispatch to industrial buyers across India, and product samples are available on request for quality evaluation before larger orders.

Frequently Asked Questions (FAQ) 8161 Styrene Isoprene Styrene (SIS)

Q: What is 8161 Styrene Isoprene Styrene used for? A: 8161 SIS is used in adhesives, sealants, asphalt and bitumen modification, rubber compounding, and plastics processing, thanks to its high tensile strength, elongation, and durability.

Q: How should 8161 SIS be stored? A: Store it in a dry, cool, and ventilated area away from direct sunlight and heat to preserve quality and achieve its full 2-year shelf life.

Q: What are the mechanical properties of 8161 SIS? A: It offers tensile strength above 10 MPa and elongation at break above 800%, along with moderate UV resistance and a 0% oil content for high purity.

Q: Is 8161 SIS suitable for sensitive industrial formulations? A: Yes. Its oil-free composition minimizes compatibility issues, making it well-suited for applications where formulation purity matters.

Q: Do you supply 8161 SIS across India, and is it available in bulk? A: Yes, we are a domestic manufacturer and supplier of 8161 SIS, delivering bulk orders pan-India with prompt dispatch. Samples are available on request.

Q: Who manufactures this 8161 SIS product? A: Vishnu International manufactures and supplies 8161 Styrene Isoprene Styrene in India, meeting quality standards such as GB/T 23615.1-2009 or equivalent.