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BriteFlex® MR4

Technical Datasheet | Supplied by Arctic Minerals
BriteFlex® MR4 is a muscovite mica by Arctic Minerals. It maintains a high aspect ratio of potassium aluminium silicate which exhibits superior brightness and purity. It is an excellent extender for glass fiber. It improves flexural modulus, tensile strength and dimensional stability. BriteFlex® MR4 shows good compatibility with thermoplastics, thermosets and rubber mold release. Recommended for rubber gaskets and is FDA-approved.
Product Type
Fillers > Mica Powders
Chemical Composition
Muscovite mica
CAS Number
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