Paramat Extra, Solidification point: 56-58°C embedding agent for histology

Supplier: Electron Microscopy Sciences
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19287-10 19287-01
100496-602EA 373.56 USD
100496-602 100496-600
Paramat Extra, Solidification point: 56-58°C embedding agent for histology
Paraffin wax blended with synthetic polymers

Paramat is the original British blend of paraffin wax and plastic polymers and it has been used in histology labs throughout the world for over 20 years


It has been found that when plastic polymers are added to the paraffin the elasticity of the final block is greater as compared with paraffin alone. As well the mixture offers improved tissue penetration, easier ribboning of sections, reduced tendency to crumble, and improved overall results with fibrous tissue. A recent development to Paramat is the addition of a very small amount of dimethyl sulfoxide (DMSO) which produces PARAMAT EXTRA. This formulation offers additional advantages, such as faster penetration of the tissue with a more homogeneous matrix to support the specimen.

CAS Number: 8002-74-2

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Specification Test Results

Appearance Milky-white, pastilles
Crystalline Structure under the microscope Needles & Platelets
Effect of heating (@60°C/100g) Clear melt within max. 16 hrs
Solubility in Xylene (@20°C/1g in 50 ml) Clear solution within max. 16 hrs
Cutting results for 4*m sections Over 75% usable single; over 65% usable serial
Solubility in Xylene (section) Max. 45 sec
Melting Point 56-58°C
Solidification Point 58-56°C
Tears and Vascuoles None
Adhesion of sections Very good; protein, to microscope slides glycerol etc. is not required to hold the section in place
Free acid content Max. 0.01%
Block Structure No mottling, no shrinking
Block Solidification (room Temperature) About 2 hrs
DMSO content Less than 0.1%

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