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Diper Chemical Industry Inc.
Free Member
Since Dec 2008
Free Member
Company Profile
Member Since Dec 2008
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Internal Rosin Size
Posted on: December 24, 2008
Expires on: December 23, 2013
Internal Rosin Size
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TopSize RD 44 is a dispersion of fine rosin particles that have been fortified and chemically modified. It is designed for use in the manufacture of paper and board. TopSize RD 44 is supplied with 40 % solids content.


TopSize RD 44 is a dispersion paper size suitable in a wide pH range from 4.0 up to 7.5. The best economic results can be obtained between pH 5.5 - 6.5. The sizing system is specifically adapted to suit the particular operating conditions of each paper machine. Before addition, TopSize RD 44 may be diluted with cold water to aid dispersion. Our technical sales department are at your service to recommend the proper method and a suitable feeding point.

Product Specifications
Milky-white dispersion
Substance Class
Aqueous dispersion of colophony.
Solids Content
40 % ±1 by weight
Viscosity (20°C)
max. 100 c poise
1.045 ± 0.005 kg/lt (20º C
5.8 - 6.3
Color Effect
Will not cause discoloration in any type
Effects of Temperature
Protect from freezing and high hot temp.
Payment Terms
Is Sample Offered?
Sample Terms
Supplier sends free sample and buyer pays the shipping fee.
Packaging Type
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