Basis Weight of paper | pulp paper mill

Oct 15, 2014· Normally ream weight is calculated for commercial purpose. It is given a specific size and it's weight in kg or pounds for a ream. For example 23'×36′ = 36 pounds. Here 23'×36′ is a paper size and the ream weight is 36 pounds. Off course it is related to basis weight. Explanation of the size 23'×36′ = 36 pounds:

Ball mill

Apr 24, 2015· 2. Ball mill consist of a hollow cylindrical shell rotating about its axis. Axis of the shell horizontal or at small angle to the horizontal It is partially filled with balls made up of Steel,Stainless steel or rubber Inner surface of the shell is lined with abrasion resistant materials such as Manganese,Steel or rubber Length of the mill is ...

Paper reel measurements

Offering. The Paper Division of DS Smith offers you the optimum means to fully express all aspects of today's packaging solutions. To guarantee this, we work to provide the best possible paper products and services to satisfy not only your needs, but also your customers needs.


Consider two high roll mill as shown in the figure. For one revolution of the top roll the resultant rolling load P moves along the circumference of a circle equal to 2π.a Since there are two work rolls involved, the work done is equal to Work done =2 (2.π.a).P = 4P.π.a If N is the speed of rotation of the rolls then

Online Metals Weight Calculator |®

1-2 day ground shipping to 99% of U.S; Metal & Plastic Materials Shop Online. No Minimums. Cut-To-Size Without the Wait. FREE Mill Test Reports Save on your Mill Test Reports and Certs of Conformance. They're always FREE at

Paper calculation

Paper calculation. Standard methods to calculate paper and board characteristics require the use of the International System of Units (SI or SI metric units). Calculating paper. Details of SI are provided in the ISO Standards 31:1981 and 1000:1981. Some quantities can be expressed in different SI units.

Method for determining load on open roll mills.

Mar 01, 2010· For open roll mills, with roll diameter equal or higher than 20 inches, the batch weight, in pounds, is equal to twice the roll length in inches. That is, for an open mill with [PHI]22" x 60", the batch weight should be 2 x 60 = 120 pounds (54.4 kg) (in the same way, for a compound with 1.0 specific gravity, that batch weight corresponds to 54 ...

Resolute Forest Products

Roll diameter (in) Roll width (in) Caliper (x 10 3 in) For example, enter 3.5 for a caliper of 0.0035 inches: Basis weight (x 1/3,300 lb/ft 2) Linear footage (ft) Average weight of unwrapped paper (lb)

Internal Mixer

The mixed batch is always dropped onto a two-roll mill or into a large single- or twin-screw extruder to partially cool it and to convert it into a desired shape for further processing, such as sheets, pellets, or chunks. ... and two-wing rotor design. Total compound weight of 104 kg (230 lbs.) with a specific gravity of about 1.8, results in a ...

Textile Calculation | Different Formula of Textile ...

Micronaire Value (Cotton): The unit is micrograms per inch. The average weight of one inch length of fibre, expressed in micrograms(0.000001 gram). Denier (Man-Made Fibres): Weight in grams per 9000 meters of fibre. Micron (Wool): Fineness is expressed as …

Rubber Machinery | | Kobe Steel Group | KSBI ...

Our lab mixers are a compact ergonomic cabinet style design. We have two models the "00M" which has a 1.6 liter net volume, 3 lb. approx. batch capacity and the "0M" 4.0 liter net volume, 6.6 lb. approx. batch capacity (1.0 specific gravity) Available with 2-wing, 4-wing H, …

Calculate Weight of Round Bar | Metal Weight Calculator

Calculate Round Bar Weight Select Material Steel Iron SS 304/310 SS 316/321 SS 410/430 Aluminum Brass Bronze Cast Polyamide Copper Chromium Derlin Fiber Gold Lead Magnesium Molybdenum Nickel Platinum Polyamide Polythene Silver Titanium Tin Teflon Zinc Zirconium Select Material

MSI/MSF Calculator

MSI/MSF Calculator. Use this calculator to estimate thousands of square inches in a roll of paper of a given grade and basis weight. The calculator also tells you how many thousands of square feet are in the roll. When filling in these fields, use decimal fractions where necessary; and give all lengths in inches and weight in pounds.

Bench Top Two Roll Mill |Small Batch Size | Labtech Eng | AWE

Bench Top Two Roll Mill LRM-M-100 Category: Bench Top Scientific Laboratory Equipment, Two Roll Mills The MicroScientific Bench Top Two roll mill type LRM-M-100 is intended mainly for learning institutes and for laboratories where a smaller batch size is preferred compared to our range of floor mills.

RUBBER COMPOUNDING BASICS | Rubber Compounding Made …

Set the nip size to 8 mm and maintain the roll temperature at 70 ± 5 degrees C . Pass the rolled batch endwise through the mill nip 6 times. This is a homogenization step. Weigh the rolled batch to measure actual batch weight and % weight loss. % wt loss = {(theoretical batch wt – actual batch wt) /theoretical batch …

Weight (Mass) Conversion Calculator

For example, to convert from kilograms to pounds you would multiply by 1000 then divide by 453.59237. Or, multiply by 1000/453.59237 = 2.204622. So, to convert directly from kg to lb, you multiply by 2…


Apr 27, 2015· Let me help you with a quick back of the envelope calculation. If you are using a 270 Liter Tangential Internal Mixer, you are engaging at least two units of 26″x84″ two-roll mills in the downstream section. Each 26″x84″ two-roll mill, requires around 180 kW (minimum) motor power – totaling to 360 kW (=180 x 2) only for the mills.

Metal Weight Calculator – Boston Centerless

Metal Weight Calculator. Choose the alloy type, shape, and number of pieces and enter the dimensions to calculate the total weight.


Two-roll mills. Strongly designed Two-Roll Mills of any size and for any application are ready to our customer´s disposal. Many years experience on this field is transferred on very powerful equipment. Having a full control on manufacturing process on the mill rolls give us a large advantage.

Paper Roll Length Calculator

Metric or ISO Units (Diameter and width in Centimetres, basis weight in g/m 2 and thickness in Micrometres) Weight of Paper in Kg: 0.0007855*(Do^2 - Di^2)*W*g t. Example: Let Outer Diameter of Roll (Do) is 100 cm, Outer Diameter of Core (Di) is 16 cm, Width of roll is 100 cm, basis weight is 100 g/m 2 and thickness is 200 micrometer. Weight of ...

Evaporator Design formulas and important design ...

1.2 Steps in calculation of evaporator design: 1.2.1 Number of tubes (N ): 1.2.2 Tube plate & Downtake dia : Area occupied for tubes in tube plate : Dia of the down take : The final required tube plate diameter. 1.2.3 Dia required for vapour inlet & Dia of the Calendria in radial steam/ vapour entry. Dia of the ...

Weaving Calculations

Mar 27, 2018· The weight of cloth manufactured on looms depends upon the weight of yarns in the warp and weft: ends/inch, picks/inch and the weight of size on the warp. Therefore, Cloth weight = Weight of warp + Weight of weft + Weight of size (All in-lbs.) Whereas Weight of warp in lbs. = (Total No. of Ends * Tape Length in Yards)/(840 * warp yarn count) Also

Conversions & Calculations

This tool provides various conversions and calculations relevant to flexible packaging. Please click the title of any converter or calculator to expand its contents. Take this tool with you on your mobile device by texting "Glenroy" to 97000.

Common & Basic Formulas for Mineral Processing Calculations

Calculation of Circulating Load in a Classifier. A mechanical classifier often receives its feed from a ball mill and produces (1) finished material which overflows to the next operation and (2) sand which returns to the mill for further size-reduction.

Polythene Sheet Film Calculator

How to calculate weight of polythene sheet film in kgs. Brentwood Plastics, Inc. Phone: 314.968.1135 Fax: 314.968.4276 Mailing Address:

Metal Weight Calculator | Industrial Metal Supply

The metal weight calculator from Industrial metal Supply asks for some basic info to calculate the weight in pounds of your metal. Start calculating here!

Quick Reference: Weight of Roofing Materials — Roof Online

Weight of Roofing Materials. Roof Online Staff. Last updated March 16, 2020 . The following table provides typical weights for various roofing materials. Where possible, the values were taken directly from manufacturer technical data sheets and are the actual weights of specific, representative products. ... and should not be used if precise ...

Catbridge Machinery

Roll Weight Calculator Instructions: To use the roll weight calculator, just fill in the material and roll measurements using either method, then click the appropriate "calculate" button for the answer.

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