Baydur® 742 IBS (43 pcf)

About
Baydur 742 IBS is a semirigid polyurethane structural foam system used in the reaction injection molding (RIM) process. This system incorporates a specially engineered interactive blowing system (IBS) and is supplied as two reactive liquid components. Component A is a modified polymeric diphenylmethane diisocyanate (PMDI) prepolymer blend, and Component B is a formulated polyol system containing no CFC- or HCFC-blowing additives. Baydur 742 IBS system is used in the consumer products market for applications requiring some protective cushioning characteristics. The system is typically molded at medium-to-high densities. As with any product, use of the Baydur 742 IBS system in a given application must be tested (including field testing, etc.) in advance by the user to determine suitability.&&

About

Baydur 742 IBS is a semirigid polyurethane structural foam system used in the reaction injection molding (RIM) process. This system incorporates a specially engineered interactive blowing system (IBS) and is supplied as two reactive liquid components. Component A is a modified polymeric diphenylmethane diisocyanate (PMDI) prepolymer blend, and Component B is a formulated polyol system containing no CFC- or HCFC-blowing additives. Baydur 742 IBS system is used in the consumer products market for applications requiring some protective cushioning characteristics. The system is typically molded at medium-to-high densities. As with any product, use of the Baydur 742 IBS system in a given application must be tested (including field testing, etc.) in advance by the user to determine suitability.&&

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

Technical Data
PHYSICAL	Nominal value	Unit	Test method
Density	0.688	g/cm³	ASTM D792
Shrinkage rate
MD：12.7 mm	0.90 to 1.1	%	ASTM D955

IMPACT	Nominal value	Unit	Test method
Charpy Unnotch Impact strength	无断裂		Internal Method

MECHANICAL	Nominal value	Unit	Test method
Shore hardness
Shore D, 12.70 mm	50		ASTM D2240
tensile strength
Fracture, 12.70 mm	10.3	MPa	ASTM D638
Tensile strain
Fracture, 12.70 mm	140	%	ASTM D638
Bending modulus
12.70 mm	184	MPa	ASTM D790
bending strength
12.70 mm	10.2	MPa	ASTM D790
compressive strength
12.7 mm	3.56	MPa	ASTM D695

Notes
1. Typical properties: these are not to be construed as specifications.
2. 0.5 in
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