Baydur® 660 IBS (35 pcf)

About
Baydur 660 IBS is a black-pigmented, rigid 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 polymeric diphenylmethane diisocyanate (PMDI), and Compo- nent B is a formulated polyol system containing no CFC- or HCFC-blowing additives. Note: Component B should be agitated thoroughly prior to delivery of contents of the drum to the day tank due to possible pigment settling. The Baydur 660 IBS system was designed for general-purpose applications and is used in industrial and recreational markets. The applications typically take advantage of the material’s strength, excellent surface finish, and large part capability. As with any product, use of the Baydur 660 IBS system in a given application must be tested (including field testing, etc.) in advance by the user to determine suitability.&&

Product Description
SupplierCovestro
GenericPUR+MDI
Material StatusCommercial: Active
FeaturesGood Rigidity,Good surface appearance
AvailabilitysAfrica & Middle East ,North America,Latin America,Asia Pacific,Europe

Technical Data
PHYSICALNominal valueUnitTest method
Density0.399g/cm³ASTM D792
Shrinkage rate
MD:6.35 mm0.30 to 0.50%ASTM D955

IMPACTNominal valueUnitTest method
Charpy Unnotch Impact strength Internal Method
7.4kJ/m²Internal Method
8.0kJ/m²Internal Method

MECHANICALNominal valueUnitTest method
Shore hardness ASTM D2240
Shaw D, 6.35 mm46 ASTM D2240
Shore D, 12.70 mm49 ASTM D2240
tensile strength ASTM D638
Fracture, 6.35 mm8.27MPaASTM D638
Fracture, 12.70 mm7.58MPaASTM D638
Tensile strain ASTM D638
Fracture, 6.35 mm7.0%ASTM D638
Fracture, 12.70 mm9.0%ASTM D638
Bending modulus ASTM D790
6.35 mm462MPaASTM D790
12.70 mm441MPaASTM D790
bending strength ASTM D790
6.35 mm13.8MPaASTM D790
12.70 mm16.5MPaASTM D790
compressive strength ASTM D695
6.35 mm7.93MPaASTM D695
12.7 mm7.58MPaASTM D695

THERMALNominal valueUnitTest method
Hot deformation temperature
0.45 MPa, unannealed, 12.7 mm104ASTM D648
Thermosetting components 
Component A按重量计算的混合比: 120 
Component B按重量计算的混合比: 100 

Notes
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