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Canadian Standard Freeness Tester
The Canadian Standard Freeness is worldwide used for determination of the drainability of a dilute pulp suspensions of wet section in the paper machine. The rate of drainage is stated in terms of freeness. The freeness of pulp, as well … Continue reading
Pulp freeness tester
The pulp freeness tester or slowness tester are extremely sensitive apparatus while applied effectively. Freeness of pulp is a measure of precisely how rapidly water can drain from a diluted fiber furnishes suspension. Drainage rate is related to the surface … Continue reading
Water removal from paper fiber webs
Paper forming consists essentially of removing water from a dilute suspension of fiber and other materials by filtration, leaving the solids in form of a coherent sheet. Clearly, the rate and separation effectiveness of this water removal from paper fiber … Continue reading
Paper machine showers
Showers are used in paper machine mainly cleaning purpose. It is also used for coating, moisturizing, lubricating, bleaching, edge trimming and other functions. All the section in paper machine needs shower. Wire cloth should be free from contaminants in order … Continue reading
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Pulper
Pulper is used in different work place but in this topic we discuss about the pulper which is used in paper industries. It is called the heart of the repulping operation. Paper pulper is used for crushing virgin pulp (slabs … Continue reading
Rosin sizing agent
Rosin is acidic type sizing agent. In paper mill usually it is used as internal sizing agent. Rosin and its derivatives are cheap to produce and produced from regenerative raw materials. Hence these sizing agents are still a good number … Continue reading
ASA sizing agent
Alkenyl Succinic Anhydride (ASA) is basic or neutral type sizing agent. It is wax like chemicals. ASA is used as internal sizing chemicals for paper. Structurally, it is unsaturated linear chain having five-membered anhydride ring and it is synthesized from … Continue reading
AKD sizing agent
Alkyl ketene dimer (AKD) is most common neutral/ alkaline sizing agent. It is an Internal sizing agents. Structurally, it is unsaturated lactones and it is synthesized from fatty acids. Physically it is waxy like milky emulsion chemicals. The waxy solid … Continue reading
Kaolin clay
What is kaolin clay or china clay? Kaolin clay is a dominant paper filler material which is derived from koalinite. It is also known as china clay, since the mineral primarily found in kao-ling, china. Another name of kaolin clay … Continue reading
Titanium dioxide
Titanium dioxide is an excellent filler material for paper mill industries. In spite of its all advantages, the uses of titanium dioxide are limited due to its exclusive price and high abrasive. It is used in such good quality papers … Continue reading
