Paper Testing Equipments

Description

It is used for determining the smoothness and porosity of paper and board. It is based on rotameter airflow principle. It is provided with three imported variable area flow meter tubes from "Solertran Mobrey LTD., UK " and accesories.

The Bendtsen Smoothness & Porosity Tester is used for determining the smoothness and porosity of paper and board, based on conceptual design of Dr. Bendtsen.

Standards:

As per TAPPI Um535,DIN 53108,ISO 5636/3,8791/2,SCAN P21,P60,BS 4420.

Technical - Specification :

Measuring range :

5-150ml/min or 50-500 ml/min or 100-3000 ml/min

Description

The Brightness and colour meter measures color, color purity, degree of yellowness, degree of whiteness, colour matching and colour fastness. It is used to measure diffused brightness colour value,CIE, Tristimulus, Rx,Ry,Rz,x,y,z, L,a,b, LxCxH values, yellowness & whiteness, colour graph etc. by using window base software with automatic solution of filter & illuminations. It is made with imported optical and filters along with Pentium computer colour monitor and printer.

Description:

A photovolt brightness tester is a specialized instrument used to measure the brightness or whiteness of paper. This type of testing is crucial in the paper industry to ensure product quality and consistency, especially for applications where the visual appearance of the paper is important, such as printing and packaging.

Accessories:

• White Enamel Standard.
• Polished Black Glass.
• Cavity represents a sample of zero reflectance

Additional – Specification:

• Sensor : Selenium Photocell.
• Brightness Search Unit : Consist of deep blue gelatine filter #49, between photo voltaic cell, Infra-red absorbing glass and source of light.
• Opacity Search Unit : Consist of green filter of the set of tristimulus filters.
• Gloss Search Unit : Consist Glass filter and measures gloss as specular reflectively at 75º angle of incidence.

The Cobb Sizing Tester evaluates the water absorbency of paper-based materials by measuring the weight increase of a sample after exposure to water for a specified time. It is an essential quality control tool for assessing the material's resistance to water, ensuring performance in various applications like printing and packaging.

Features and Design

1. Material Construction:

   • Made of stainless steel, ensuring durability and resistance to corrosion.
   • Includes a stainless steel roller for drying the wet sample after testing.

2. Rotational Mechanism:

   • Equipped with a circular pan that rotates 180°, facilitating even water exposure.

3. Spring-Loaded Clamping System:

   • Ensures a leak-proof seal by pressing the cylinder against the sample on a rubber mat.
   • The clamping force is adjustable, and the cylinder can be easily lifted by pinching two handle bars together.

4. Tilting Lid Design:

• The lid is secured using spring-loaded finger grips, allowing for smooth operation.

Operational Process

1. Sample Preparation:

   • Measure the GSM (grams per square meter) of the circular sample of paper or paperboard.
   • Place the sample in the circular pan filled with water.

2. Testing:

   • Rotate the pan 180° to ensure uniform water exposure.
   • Allow the sample to sit in the water for a specified duration.

3. Absorbency Measurement:

   • After exposure, remove the sample and weigh it to determine the water absorbed.
   • Use the stainless steel roller to press and dry the sample.

4. Final Calculations:

• Measure the GSM of the dried sample.
• Compare the before-and-after weights to calculate the water absorptiveness or Cobb value.

Key Parameters and Insights

• Cobb Value Definition:
  The mass of water absorbed in a specific time by one square meter of material under controlled conditions.
• Applications:
  Evaluates additives applied during manufacturing that enhance printing quality and liquid resistance.
• Materials Tested:
  Paper, paperboard, and corrugated fiberboard.

Benefits

• Provides accurate and reproducible results.
• Ensures better material selection for water-resistant applications.
• Enhances the quality of products by verifying resistance to liquids.

The Cobb Sizing Tester is a simple yet indispensable tool for ensuring paper-based materials meet industry standards for water resistance.

Description

Electronic Stiffness Tester (Bending Type) – Measuring range 0 – 5000 mN, accuracy of load cell within ± 2 % of pure reading but not better than ± % of 5000 mN.It is provided with imported load cell from SWEDA Sweden.As per TAPPI T – 543.

The Hydraulic GSM Round Cutter is a versatile and reliable instrument designed for precise cutting of round samples from materials such as paper, board, fabric, woven and non-woven textiles. It facilitates accurate measurement of grammage (GSM – grams per square meter) through its precision-engineered design. This cutter combines manual operation with hydraulic force, ensuring effortless and consistent performance.

Key Features:

• Adjustable Hydraulic Pressure: Adaptable to various material thicknesses and types, offering flexibility and ease of use.
• No GSM Pad or Blade Required: Simplifies the cutting process, ensuring convenience.
• Firm Grip: Provides complete grip on materials with minimal effort for clean and precise cuts.
• Precision Cutting: Equipped with 3 imported metal cutting wheels, perfectly synchronized for a precise 100 cm² sample and enhanced durability.
• Smooth Operation: Delivers a clean cut with a simple, smooth rotation.
• Versatile Application: Suitable for materials including woven, non-woven, knitted fabrics, films, paper, and board.

Technical Specifications:

• Diameter: 11.3 cm
• Radius: 5.65 cm
• Area of Circle: πr2=3.14×5.65 cm×5.65 cm=100 cm2\pi r^2 = 3.14 \times 5.65 \, \text{cm} \times 5.65 \, \text{cm} = 100 \, \text{cm}^2
• Sample Capacity: Up to 500 GSM
• Weight: 10.2 kg

The Hydraulic GSM Round Cutter offers precise and efficient sample preparation, making it an essential tool for laboratories, quality control departments, and research and development in industries like textiles, paper, and packaging.

Description

It is used for testing the average Smoothness, Porosity and Softness of paper and films by determining the time necessary for a certain volume of air to flow through the inserted sample, under a uniform pressure.

Smoothness, Porosity & Softness Tester Equipment is a standard instrument for measuring Smoothness, Porosity and Softness Tester is intended for testing the average Smoothness, porosity and Softness of paper and film.

Standards:

AS PER TAPPIT-460,SCAN P 19,BS 6538/3,ISO 5636/5.

Option :

Inner cylinder of weight 5 oz fot high porous paper.

Description

The instrument measures brightness, opacity and other parameters by diffused reflectance according to relevant ISO standards. It is Microprocessor based and gives out instantaneous digital read printout, that shows the worked out details such as CIE Tristimulus colour, Rx,Ry,Rz,x,y,z,L,a,b, values, yellowness, whiteness of pulp, paperboard, coating agents,filler and other similar materials. It includes built-in-Printer, measurement routine. 

Description:

The Instrument is designed to measure the degree of water absorption of paper i.e. the capillary rise in millimeters by suspending a specimen in a vat filled with water. Height of liquid sucked up for 1 minute or 10 minutes is measured.

The cross arm of the apparatus is fitted with four testing stations of the ruler type with precise indications, facilitating easy and fast starting and also stopping. The cross arm allows the shifting and adjusting so that any desired water level can be selected.

Standard:

As per TAPPI, SCAN, ISO

Description

It is used for determining the folding endurance of all kinds of Paper, Paperboard, Foil & Films with a standard folding speed per minute. Kohler Molin Type Folding Endurance Tester Loading clamps of dead weight type giving standard load of 800 gm during the test provided along with Five Figure impulse Counter having hold and zero setting.

The Equipment is used for determining the Folding Endurance of all kinds of paper, cardboard, foil and films up to 0.15 mm. The folding effect on the specimen, loaded by weights, is exerted by the oscillating and rotating movement of the upper clamps.

Standards:

As per TAPPIT-423, ISO 5626.

Technical - Specification :

• Two specimens can be tested simultaneously. The number of folds is registered by two counters, which are stopped automatically, when the specimen breaks.
• Folding clamps quick grip type of stainless steel for a strip width of 15 mm.
• Absolutely vibration free runs of folding clamp, due to the absence, of a conventional geared drive.
• Loading clamps of with weight bars and weights steps of 50 g give loads between 1.96 and 9.32 N. Standard load according to SCAN and ISO is 7.85 N (corresponding to a weight of 800 g).

Description:

Lab Air Knife Coater consists of a welded square shaped frame which contains a transformer. Our offered knife coater is constructed expertly at our manufacturing unit under the guidance of our experts utilizing the finest quality material and advanced technology. Customers can avail this knife coater as per their needs at nominal prices.

It is used for coating the sample sheet materials in 10" x 12" size. The air-knife design of the coater guarantees uniform coating of the coating medium on to the test specimen. It is suitable for coating of latex, ink, lacquer and plastic dispersions etc. Air pressure adjusted by a control knob. As per TAPPI, SCAN, ISO.

Features:

• Heat resistance
• Easy to handle
• Excellent quality

Description

Lab Bar Coater is ideal for the application of the varnishes, adhesives, paints, liquid printing inks and many other surfaces coating which require sampling under accurately controlled conditions with variable coating speed. Our coater is well tested against various quality parameters so as to ensure its flawlessness. As well, we offer this coater on varied specifications in order to fulfill the demand of customers.

Lab Bar Coater Or K Control Coater is designed for the application of the paints, varnishes, adhesives, liquid printing inks and many other surfaces coating that require sampling under accurately controlled conditions. With variable coating speed between 2 and 15mm/min. including 7 Nos. coating rods.

Standard Coated Area = 27×15cm.

Features:

• Portable
• Heat resistance
• Flat surface

Description:

Paper Ash Incinerator is used for determining the ash content in Paper, Cardboard and other Cellulosic material by burning an exactly weighed quantity.

Along with digital Temperature Indicator cum Controller (Range 0-1200ºC).

As per TAPPIT 413.

Options:

• Thermostatic Temperature Control
• Replacement of Heating Elements
• Temperature measuring device

Description

The tester enables Patra Type Fluff Tester to be measurd easily after simulating the action of printing press using a dry blanket. It is based on the concept of PIRA. The tster is capable of giving reproducible results and the fluff build - up proceeds at a steady rate with a number of sheets.

Standard:

As per TAPPI, SCAN, ISO.

Description:

This VALLEY BEATER is made for beating of pulp under standardized conditions in the Laboratory. Motor with V belt drive provided. The unit meets the requirements laid down in relevant TAPPI and SCAN standards.

The Taber Type Stiffness Tester is a precision instrument designed to evaluate the stiffness and resilient qualities of various materials, including paper, plastics, cardboard, light metallic sheets, foil, and other flexible materials with significant bending resistance. It provides critical measurements essential for assessing the suitability of materials for packaging, printing, and other industrial applications.

How It Works:
The test involves securing one end of the sample in a clamp, while a force is applied to bend the material to a specified angle. The maximum force required to bend the test piece is recorded and displayed on the graduated scale, giving a precise measure of stiffness.

Applications:

• Testing stiffness of paper, cardboard, and plastics
• Evaluation of light metallic sheets and foil
• Ensuring material suitability for packaging, printing, and industrial use

Salient Features:

• Wide Measuring Range: 0–1000 stiffness units, accommodating a broad variety of materials.
• Accurate Results: Measures the maximum force needed to bend the material to the desired angle, providing reliable stiffness readings.
• Triple Shear Cutter: Included for precise preparation of test specimens.
• Imported Gear Motor: Ensures smooth and consistent operation during testing.
• User-Friendly Operation: Easy-to-use clamp mechanism for securing test pieces and a clear graduated scale for quick reading.
• Durable Construction: Built to withstand repeated use in demanding laboratory environments.

Technical Specifications:

• Measuring Range: 0–1000 stiffness units
• Drive Mechanism: Imported gear motor for precise and smooth operation
• Test Sample Handling: One end of the test piece is easily secured in the clamp
• Graduated Scale: Provides clear and accurate stiffness readings

Description

The Instrument is designed for the determination of the oil absorption resistance of the surface of paper and paperboard.Along with photo electric digital timer.

As per TAPPI,SCAN,ISO

Description 

Dennison Wax Pick is used for the evaluation ofsurface strength on Paper & Paperboard.Each Wax Pick isof hard resin non – oily type. Each box contains 8sticks of same number. It is simple, easy to use andinexpensive.

TECHNICAL METHOD FOR USE:

• Waxes are heated and applied to surface of the sheet.
• After cooling waxes are pulled from the surface of the shape.
• Wax is used to check if it has pulled fibre of coating from the surface.
• The highest value wax, which does not rapture the surface, is reported as the pick strength of the sheet

OPTION:

2A/3A/4A/5A/6A/7A/8A/9A/10A/11A/12 A/13A/ 14A/16A/18A/20A/23A

Description:

In schopper type tester loading clamps of spring type gives standard load of 1000gm during the test provided along with FIVE FIGUR COUNTER having hold and zero setting. 

Standards:

As per TAPPIT-833,ISO-5626

Additional - Specification:

• Working Unit : Two separately working folding units for quicker test.
• Stretching force : Maximum 9.81 N and Minimum 7.55 N
• Folding Roll Diameter : 6 mm
• Distance Between folding rolls : 0.5 mm
• Deflection on either side : 10 mm

Description

Reflectance Meter instrument measures brightness, opacity and colour by diffused reflectance according to relevant ISO standards. It gives an instantaneous digital readout, which shows the colour value (XYZ) of pulp, paper, and paperboard, coating agents, filler and other similar materials.

Additional - Specification:

• Specimen Area Measured : 30 mm dia
• Light Source : Quartz Tungsten Halogen Lamps
• Flashes per measurement : 4.0
• Lamp Life (No. of measurements) : 5,00,000
• Illuminator : C Type
• Colour Scales : X, Y, Z; R(X), R(Y), R (Z), ; LUM. x, y, z
• Whiteness : ASTM / CIE
• Yellowness : ASTM
• APPLICATION STANDARDS
• TAPPI, ASTM, ISI, ISO

The Microprocessor Based Vertical Dry & Wet Tensile Strength Tester  is  used  for  determining  the  tensile  strength,  stretch(Elongation)  &Tensile  Strength  Properties  of  Paper  &  Paperboard  sheet  materials  which  is  used  Special  Load  Cell  which senses the Tensile Strength of Paper & Paper Board Dry & Wet Samples etc.

Salient Features:

1.Standard Stainless Steel clamps for Paper, Strip width 15mmwith non-slip grip.

2.Senor is imported loadcell make–Japan Strain Gauge.

3.Computer  Interface  &  Data  Saving Facility with automatic Calculations and Auto return. 

4.OverLoad,Over Travel & Electrical with Electronic Protected.

Description

This instrument is designed for determining the penetration time of oil and other liquids through paper and other similar materials by the Surface Resistance Time (SORT) taken for 75% of the surface covered by oil through Photo Electric Digital Timer. Cooling system is provided along with constant temperature regulator.

Used for Writing / Printing and Absorbent Kraft Paper.

Technical Specification:

• The instrument chamber has an orifice for holding the liquid medium and a clamping device for holding the material.
• Penetration time after oil comes in contact with paper is noted by stop watch or electronic timer.
• Suitable range thermometer also provided.

Standards:

As per TAPPI, SCAN & ISO.