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Solprene® 4318

Category:	SBS , Styrene Butadiene Styrene Block Copolymer
Manufacturer:	Dynasol Elastomers
Trademark:	Solprene®
Fillers:	-
Ports:	Qinzhou, Shekou, Shanghai, Ningbo
Delivery Terms	FOB, CIF, DAP, DAT, DDP
PDF:	pKzvw4_Solprene-4318.pdf
PRICE:	Order Products email sales@su-jiao.com

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Message
Solprene 4318 is a linear block copolymer of styrene and butadiene, having 32% of styrene content, most of it forming a polystyrene block, which gives the polymer a thermoplastic behavior. It has a non-staining antioxidant system; FDA approved for use in food contact applications and is essentially gel free with a very clear color. S-4318 is used as compounding ingredient for adhesives. The product is an excellent modifier for asphalt applications including self-adhesive roofing membrane and sealant. Also is used in thermoplastic injected shoe soles formulations. It is presented as free flowing porous crumb making easy its handling and dissolution.

Message

Solprene 4318 is a linear block copolymer of styrene and butadiene, having 32% of styrene content, most of it forming a polystyrene block, which gives the polymer a thermoplastic behavior.

It has a non-staining antioxidant system; FDA approved for use in food contact applications and is essentially gel free with a very clear color.

S-4318 is used as compounding ingredient for adhesives. The product is an excellent modifier for asphalt applications including self-adhesive roofing membrane and sealant. Also is used in thermoplastic injected shoe soles formulations.

It is presented as free flowing porous crumb making easy its handling and dissolution.

General Information
Additive	Antioxidant
Features	Antioxidant Block Copolymer Food Contact Acceptable High Clarity Linear Polymer Structure Low Gel Porous
Uses	Adhesives Asphalt Modification Footwear
Agency Ratings	FDA Food Contact, Unspecified Rating
Appearance	Clear/Transparent
Forms	Crumb

Physical	Nominal Value	Unit	Test Method
Melt Mass-Flow Rate (MFR) (200°C/5.0 kg)	8.0	g/10 min	ASTM D1238
Block Styrene ¹	> 31	%
Solution Viscosity - 5.23% in toluene ²	7.0	cSt
Styrene Content	32	%	ASTM D5775
Volatile Matter	< 0.75	%	ASTM D5668

Hardness	Nominal Value	Unit	Test Method
Durometer Hardness (Shore A)	69		ASTM D2240

Elastomers	Nominal Value	Unit	Test Method
Tensile Stress (300% Strain)	1.20	MPa	ASTM D412
Tensile Strength	3.70	MPa	ASTM D412
Tensile Elongation (Break)	> 1000	%	ASTM D412

Note Message
1 .	NM 202-07
2 .	NM 300-11

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