Chemical Name:N, N ’－4, 4’- diphenylmethane  bismaleimide
 structural formula:
 

molecular weight: 358.37.
Formula: C21H14N2O4
CAS No. : 13676-54-5
Quality index:
 

Items	Index
Appearence	Yellow or pale yellow crystalline powder
Melting point °C	150～158
Acid value mgKOH/g≤	1
Moisture Content %≤	1

Application:
BMI level as manufacturing heat resistant structure material, H or F electrical insulating materials, a kind of ideal resin matrix are widely used in aviation, aerospace, electric power, electronics, computer, communication, automobile, railway, construction and other industries  .
1.Motor insulation materials,The high temperature resistant dipping paint (solvent and non solvent), wire coating, laminated board, knitting belt, mica tape, electronic copper clad, molded plastic, epoxy modified F ~ H class powder coating, casting pieces..
2. Advanced composite materials, polymer matrix: aerospace, aeronautical structure materials, carbon fiber high temperature resistant structure, high-grade printing circuit board and other functional materials, etc).
3. Engineering plastics such as polypropylene PP, nylon, PBT, PA, ABS, APC, PVC, EPDM, PMMA material such as the enhancement of modifying agent (such as: glass fiber reinforced polypropylene to join < 1% of BMI, can make the mechanical strength and Martin heat resistant double effect), can also be used in new type rubber vulcanizing agent, etc. 
4. Wear resistant material, diamond wheel, heavy duty grinding wheel, brake pads, high temperature resistant bearing binder, magnetic materials, etc
Package：20kg or 25kg (net weight),kraft bag inner PE coated.
Storage：Avoid exposure to sunlight and always ,store this material in a sealed container under the dry and cool conditions.