Neoprene Liquid Dispersion 671A

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Neoprene Liquid Dispersion 671A

禆鳼儚殥膱?鵨

high modulus polychloroprene homopolymer made in

Neoprene 671A liquid dispersion (LD) contains a high modulus polychloroprene homopolymer made in
an anionic colloidal system.
Features :
Wet Gel Strength
Good wet gel elongation and wet gel tensile strength make wet films of Neoprene 671A resistant to gel cracking, either alone or in blends with other Neoprene LDs such as Neoprene 571 or Neoprene 842A.
Suggested End Uses
-Dipped goods
-Construction mastics
-Laminating adhesives
-Extruded thread
-Impregnated paper
-Bonded batts
-Contact bond adhesives

Polychloroprene
Emulsifying agent : Potassium salts of disproportionated resin acids and fatty acid and polymerized potassium salts of alkyl naphthalene sulfonic acid
Solids, % by weight : 59
pH at 25﹉C (77﹉F) : >12.0
Specific gravity at 25'C (77'F)
Polymer : 1.23
LD : 1.13
Average particle size, (microns): 0.21 [0.21]
Surface tension, mN/m (dyn/cm) : 41.0 [41.0]
Brookfield viscosity at 25'C (77'F), MPa*s (cP) (Model LVF, Spindle No. 1)
6 rpm : 60 [60]
30 rpm : 45 [45]
Stability
Mechanical : Good
Electrolyte : Good
Storage : Good
Freeze/thaw : Not stable

Industrial field

rubber & additives

DuPont Dow Elastomers L.L.C

Phone	302-792-4200
Fax	302-892-7390
Homepage	www.dupont-dow.com
E-mail	info@DuPont.com
Address	300 Bellevue Parkway, Suite300 Wilmington, DE 19809

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