TUFTEC™ M1943

TUFTEC™ M1943 is a maleic anhydride modified SEBS. It has a low styrene content and can impart flexibility to alloys with polar resins.

Flexibilize Polar Resin Alloys

TUFTEC™ M1943 is a maleic anhydride grafted SEBS with low styrene content, allowing for the flexibilizing of polar resins. It can be used as an impact modifier for polar resins and engineering plastics such as polyamide (PA). It can also be used in bonding applications for metals and polar resins.

Overview of TUFTEC™ M1943 Grade

Features of TUFTEC™ M1943

Maleic anhydride grafted SEBS

Good adhesion to metals and polar resins

Higher modification level than M1911, resulting in higher flexibility

Enables impact modification of engineering plastics such as polyamide (PA)

Can be used as a compatibilizer for styrenic, olefinic, and polar resins

Typical Applications and Uses of TUFTEC™ M1943

Improving the impact resistance of PA

Compatibilization of olefinic resins with polar resins

Physical Property Table of TUFTEC™ M1943

		Test Conditions	Unit	M1943
Modification		-	-	Maleic anhydride
Addition Rate		Titration method	wt%	1.8
Density		ISO 1183	g/cm³	0.91
Styrene		Asahi Kasei method	wt%	20
MFR	230°C・ 2.16kg	ISO 1133	g/10 min	6.5
Shore A Hardness	0s	ISO 7619	-	65
Shore A Hardness	10s	ISO 7619	-	62
Tensile Properties	100% Mo.	ISO 37	MPa	2.2
	200% Mo.		MPa	2.9
	300% Mo.		MPa	4.2
	Tensile Strength		MPa	13.0
	Elongation at Break		%	618
Melt Viscosity (200°C)	122(1/s)	Asahi Kasei method	Pa・s	1,512
Melt Viscosity (200°C)	1.216(1/s)	Asahi Kasei method	Pa・s	438
Melt Viscosity (230°C)	122(1/s)	Asahi Kasei method	Pa・s	683
Melt Viscosity (230°C)	1.216(1/s)	Asahi Kasei method	Pa・s	271
tanδ Peak Temperature		Torsion mode, 1Hz	°C	-43
Refractive Index		JIS K 7142	-	1.50
Product Form		-	-	Pellets

IMPORTANT NOTICE REGARDING MEDICAL APPLICATIONS

We, Asahi Kasei Group, request that customers who are considering using our products in medical, pharmaceutical, cosmetic and other related applications (hereinafter collectively called “Medical Applications”) shall contact us and confirm our policy on Medical Applications in advance. Please consult with us for the latest status. We make no guarantees or warranties, express or implied, concerning the suitability of our products for use in Medical Applications. It is not our responsibility to determine if our products are safe, lawful, and technically suitable for intended applications.