Bayflex® 957 - SOLIAO

About
Bayflex 957 is a fully compounded polyether-based polyurethane system consisting of two liquid components which can be water-blown. Component A is a modified diphenylmethane diisocyanate (MDI) prepolymer, and Component B is a polyether polyol system. The Bayflex 957 system is used in the manufacture of microcellular polyurethane shoe soles. Soles prepared from these components combine light weight, comfort, and durability. Processibility and dynamic flexural properties are excellent over a wide range of densities. The combination of excellent physical properties and ease of processing has made the Bayflex 957 system a prime soling material for fashion and casual shoes. As with any product, use of the Bayflex 957 system in a given application must be tested (including but not limited to field testing) in advance by the user to determine suitability. The properties of the Bayflex 957 system, listed below, are representative of typical performance characteristics of molded panels. Actual results may vary, depending on part design and processing conditions.&&

About

Bayflex 957 is a fully compounded polyether-based polyurethane system consisting of two liquid components which can be water-blown. Component A is a modified diphenylmethane diisocyanate (MDI) prepolymer, and Component B is a polyether polyol system. The Bayflex 957 system is used in the manufacture of microcellular polyurethane shoe soles. Soles prepared from these components combine light weight, comfort, and durability. Processibility and dynamic flexural properties are excellent over a wide range of densities. The combination of excellent physical properties and ease of processing has made the Bayflex 957 system a prime soling material for fashion and casual shoes. As with any product, use of the Bayflex 957 system in a given application must be tested (including but not limited to field testing) in advance by the user to determine suitability. The properties of the Bayflex 957 system, listed below, are representative of typical performance characteristics of molded panels. Actual results may vary, depending on part design and processing conditions.&&

Product Description
Supplier	Covestro
Generic	PUR+MDI
Material Status	Commercial: Active
Features	Excellent Processability,Good flexibility
Availabilitys	Africa & Middle East ,North America,Latin America,Asia Pacific,Europe

Technical Data
PHYSICAL	Nominal value	Unit	Test method
Density	0.497	g/cm³	Internal Method

elastic body	Nominal value	Unit	Test method
tensile strength
fracture	3.10	MPa	ASTM D412
Tensile strain
fracture	400	%	ASTM D412
tear strength
—	4.38	kN/m	Internal Method
—	14.0	kN/m	ASTM D624

THERMAL	Nominal value	Unit	Test method
Thermosetting components
Component A	按重量计算的混合比: 77
Component B	按重量计算的混合比: 100

Supplementary information	Nominal value	Unit	Test method
Oil resistance	< 5.0	%	ASTM D5694

MECHANICAL	Nominal value	Unit	Test method
Shore hardness
Shaw’s A	50		ASTM D2240
Taber abraser
1000 cycles, 1000 g, H-18 wheels	70.0	mg	ASTM D3489
Ross Twist Test			ASTM D1052
-29℃，6.35 mm	> 5.0E+4	Cycles	ASTM D1052
23℃，6.35 mm	> 1.0E+5	Cycles	ASTM D1052

Notes
1. Typical properties: these are not to be construed as specifications.
2. 0% Cut Growth
3. Block
4. Die C
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