Wholesale Wholesale Price China Gas Based Vam Supplier - SIS(Styrene-isoprene-styrene block copolymer) – Haitung Manufacturer and Supplier

Wholesale Price China Gas Based Vam Supplier - SIS(Styrene-isoprene-styrene block copolymer) – Haitung

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Wholesale Price China Gas Based Vam Supplier - SIS(Styrene-isoprene-styrene block copolymer) – Haitung Detail:

Product Description

Baling Petrochemical SIS is styrene – isoprene block copolymer in the form of white porous particle or translucent compact particle, with features of good thermo-plasticity, high elasticity, good melt fluidity, good compatibility with tackifying resin, safe and non-toxic. It can be applied to the hot-melt pressure-sensitive adhesives, solvent cements, flexible printing plates, plastics and asphalt modification, and is the ideal raw materials of adhesives used to manufacture packing bags, sanitation supplies, double-sided adhesive tapes and labels.

PROPERTIES AND APPLICATIONS
Styrene-isoprene block copolymers (SIS) are large volume, low priced commercial thermoplastic elastomers (TPE) which are produced by living ionic copolymerization by sequentially introducing styrene, 2-methyl-1,3-butadiene (isoprene), and styrene into the reactor. The styrene content typically varies between 15 and 40 percent. When cooled below the melting point, SIS’s with a low styrene content phase-separate into nano-sized polystyrene spheres imbedded in an isoprene matrix whereas an increase of the styrene content leads to cylindrical and then to lamellar structures. The hard styrene domains function as physical crosslinks which provide mechanical strength and improve the abrasion resistance, while the isoprene rubber matrix provides flexibility and toughness. The mechanical properties of SIS elastomers with a low styrene content are similar to those of vulcanized rubbers. However, unlike vulcanized rubber, SIS elastomers can be processed with equipment used for fabricating thermoplastic polymers.

SIS block copolymers are often blended with tackifier resins, oils and fillers, which allows for a versatile modification of product properties or they are added to other thermoplastic polymers to enhance their performance.
SIS copolymers are widely used in hotmelt adhesives, sealants, gasket materials, rubber bands, toy products, shoe soles and in bitumen products for road paving and roofing applications. They are also used as impact modifiers and tougheners in plastics and (structural) adhesives.

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Main Physical Properties of SIS Products

Main Physical Properties of Baling SIS Products (Typical Value)

Grade	Structure	Block Ratio S/I	SI Content %	Tensile Strength Mpa	Hardness Shore A	MFR (g/10min, 200℃, 5kg)	Toluene Solution Viscosity at 25℃ and 25%, mpa.s
SIS 1105	Linear	15/85	0	13	41	10	1250
SIS 1106	Linear	16/84	16.5	12	40	11	900
SIS 1209	Linear	29/71	0	15	61	10	320
SIS 1124	Linear	14/86	25	10	38	10	1200
SIS 1126	Linear	16/84	50	5	38	11	900
SIS 4019	Star-shaped	19/81	30	10	45	12	350
SIS 1125	Linear	25/75	25	10	54	12	300
SIS 1128	Linear	15/85	38	12	33	22	600
1125H	Linear	30/70	25	13	58	10-15	200-300
1108	Coupling linear	16/84	20	10	40	15	850
4016	Star-shaped	18/82	75	3	44	23	500
2036	Mixed	15/85	15	10	35	10	1500

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Our mission is to become an innovative supplier of high-tech digital and communication devices by providing value added design, world-class manufacturing, and service capabilities for Wholesale Price China Gas Based Vam Supplier - SIS(Styrene-isoprene-styrene block copolymer) – Haitung , The product will supply to all over the world, such as: Iran, Latvia, Algeria, During the 10 years of operating, our company always try our best to bring consumption satisfaction for user, built a brand name for ourselves and a solid position in the international market with major partners come from many countries such as Germany, Israel, Ukraine, United Kingdom, Italy, Argentina, France, Brazil, and so on. Last but not least, price of our products are very suitable and have fairly high competition with other companies.

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