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Mitsui MILEXâ„¢ XL-225MB Phenol Aralkyl Resin, Standard Grade

Category Polymer , Thermoset , Phenolic
Manufacturer Mitsui Chemicals America
Trade Name MILEX™
Port Shanghai port,China
Trade Terms FOB, CFR, CIF
Payment Terms L/C, T/T, Western Union
Download PDF Mitsui MILEXâ„¢ XL-225MB Phenol Aralkyl Resin, Standard Grade.pdf
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Material Notes:
The MILEXâ„¢ Family of products is widely featured in brake systems of automobiles made by automakers through Mitsui Chemicals'. The phenolic material is primarily used as binders in brake pad and clutch facing disc friction materials. The advantage of incorporating the MILEX material into a brake design is that the material provides a non-abrasive, vibratory free surface finish, which is very important in the performance of the brake system. Additionally, its superior performance at elevated temperatures and excellent moldability aids in brake noise reduction.The XL series is composed of phenol aralkyl resins, of which there are three different grade levels. The XL line is known for its stable friction and abrasion, excellent heat and chemical resistance and anti-noise and vibratory qualities. In automotive applications, it is used in brake pads due to its stable friction and low abrasion. In electrical applications, the material is used as a molding compound that yields excellent heat and moisture resistant electrical insulation.Applications: Automotive friction materials (brake pads, clutch facing discs, etc)Epoxy resin hardener for electronic materialsAdditive to improve heat resistance of thermoplasticsAdhesives, especially with elastomers, to bond to metalInformation provided by Mitsui.
Thermal Properties Metric English Comments
Maximum Service Temperature, Air 80.0 - 105 °C
176 - 221 °F
Softening point
Processing Properties Metric English Comments
Processing Temperature 160 °C
320 °F
Press Cure, 10 minutes
180 °C
356 °F
Post cure, 5 hours
220 °C
428 °F
Post cure, 2 hours
240 °C
464 °F
Post cure, 2 hours
Cure Time 2.50 - 4.83 min
0.0417 - 0.0806 hour
Gelation time
Descriptive Properties Value Comments
Cracking Resistance 4
5=Excellent
Curing Rate 1
1=Slow, 5=Fast
Flow 25-55 m/m
Hardness 2
1=Hard, 5=Soft
Heat Resistance 5
1-5 (5-Excellent)
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