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CUMAR R-21
Coumarone-indene resin
CUMAR R-21 Resin is a stable, low softening point resin.
Its primary characteristics exhibit a resistance to alkali, salts and dilute acids.
Formulators will find that CUMAR R-21 Resin is excellent in rubber compounds, adhesives and special coatings.
Softening Point, R&B, 'C: 45
Color, Gardner (50% in 100 Solvent): 12
Specific Gravity @ 25'C: 1.03
Iodine No., Wijs: 80
Flash Point 'F (COC):400
Molecular Weight, no avg,. GPC: 450
Acid Number: <1
Saponification Number: <1
Form: Solid
Industrial field others
Neville Chemical Co.
Phone (412) 331-4200
Fax (412) 777-4234
Homepage www.nevchem.com
E-mail -
Address 2800 Neville Road Pittsburgh, PA 15225-1496
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