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DuPont Performance Polymers Neoprene AD-20 Polychloroprene Rubber  (discontinued **)

Category Polymer , Thermoset , Rubber or Thermoset Elastomer (TSE)
Manufacturer
Trade Name
Port Shanghai port,China
Trade Terms FOB, CFR, CIF
Payment Terms L/C, T/T, Western Union
Download PDF DuPont Performance Polymers Neoprene AD-20 Polychloroprene Rubber  (discontinued **).pdf
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Material Notes:
Description: Chloroprene polymer designed for use in high strength solution adhesives requiring rapid rates of strength development. More color-stable than neoprene AC during storage.Processing and Performance Features: Primary use is in contact adhesives that require high initial and ultimate bond strength and ability to form bonds with minimum pressure after long open assembly periodsNeoprene AD can be dissolved without milling, or can be milled before solution (for rheology control), to cover a broad range of solution viscosity. It is soluble in solvents with various evaporation ratesCompounded adhesives can be stored in iron containers without the discoloration experienced with compounds based on Neoprene AC.Information provided by manufacturer.This former DuPont Dow Elastomers product line is now produced by DuPont Performance Elastomers.
Physical Properties Metric English Comments
Density 1.23 g/cc
0.0444 lb/in³
Brookfield Viscosity 3.50e+7 - 5.30e+7 cP

@Temperature 25.0 °C
3.50e+7 - 5.30e+7 cP

@Temperature 77.0 °F
6 rpm or 3 rpm depending on viscosity
Descriptive Properties Value Comments
Crystallization Rate Rapid
Physical Form and Color White to light yellow chips; discolors in light
Polymer Type Chloroprene homopolymer
Solubility Soluble
in aromatic hydrocarbons and mixtures with esters, ketones, aliphatic hydrocarbons, and selected chlorinated solvents
Stability Excellent
storage at temperatures below 21°C will retard darkening of color and gradual increase in viscosity.
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