> R&D > Facilities
1.Pulp & Paper making Lab.
Pulp & Paper making lab. equips handsheet making facilities. The following experiments can be done in the lab; beating pulp which is main material of paper, measuring consistency, separating fibers, drying handsheet, and calendaring.
As a specialty paper company in fancy and color paper area, Samwha paper co. is expert in color matching and developing color. Process improvement and product development are conducted here.

Laboratory Equipments

Item

 Use
Valley Beater Valley beater is an equipment to disintegrate and beat pulp for improving physical properties of paper as a pretreatment process.
Square Sheet Machine A handsheet making equipment in square shape using the beaten
(or refined) pulp
Round Sheet Machine A handsheet making equipment in circle shape using the beaten
(or refined) pulp
Suction Roll Press Pressing machine to remove water from the wet sheet
Size Press An equipment to apply starch, PVA, and etc. on the surface of sheet
Rotary Drum Dryer
 A drying equipment to dry sheet
Supercalender An equipment to improves smoothness of normal paper and coated paper
 

Image of equipments
[Size press]
[Rotary Drum Dryer]
[Supercalender]
 
 
2.Analytical and Printing Lab
Thermal and chemical analysis for main/side material and products are conducted in the lab. using chemicals and related equipments. Because most Samwha products are printing papers these facilities are essential checking quality before shipping to customers. Many different methods are used to measure printing properties.

Laboratory Equipments

Item

 Use
Moisture analyzer A tester for measuring moisture content of pulp, paper, and coated color
UV Spectrophotometer A tester to analyze white water and pulp slurry
Particle size analyzer An analyzer to measure electrical charge generated by chemicals in slurry
RI Tester A tester to analyze printing quality on coated paper
IGT A tester to analyze printing quality on coated paper
Densitometer
A tester to analyze paper printing quality by comparing printed ink density in off print or other printed samples
 

Image of equipments
[UV Spectrophotometer]
[RI Tester]
[ IGT]
 
 
3.Temperature & humidity controlled room
The physical properties of paper are measured and analyzed under the constant temperature and humidity condition in this room. Analyzers and tester are equipped. Not only analyzing physical properties but also diagnosing other properties. Color matching can be conducted and optimum mixing ratio can be expected accurately.

Laboratory Equipments

Item

 Use
Tensile strength tester A tester to measure tensile strength of products and lab. samples
Scott Internal bond tester A tester to measure fiber bond strength in the thickness direction
MIT Folding endurance tester A tester to measure folding endurance of the samples
Tearing strength tester A tester to measure tearing strength
Stiffness tester A tester to measure stiffness
PPS Roughness/Porosity tester
 A tester to measure surface smoothness and the amount of porousness
Formation tester A tester to measure the condition of fiber distribution during papermaking
TSO tester A tester to measure fiber orientation and tensile stiffness orientation
Hercules sizing tester A tester to measure water absorption condition of sample when wet
Opacity meter A tester to measure the amount of light transmittance passing through paper
Spectrophotometer Computer color matching system equipped tester to analyze paper color, expect the type of dye/pigment and amount of dye /pigment to be used
 

Image of equipments
[Stiffness tester]
[Formation tester]
[Spectrophotometer]
 
 
4.Coating Lab
Coating color development is conducted in the lab. to represent optimum paper properties. Basic coating color properties are measured and evaluated here, therefore coater runnability can be expected. Various experiments are progressed for the best coating condition

Laboratory Equipments

Item

 Use
Pilot Maihyo Coater An automatic laboratory coater with excellent repeatability expelling non uniformity generated during hand coating
WRV tester A tester to measure water retention value of coating color and estimate problems which can be taken place during coating
High Shear Viscometer A tester to measure viscosity of coating color under high shear as in a real coater and estimating expected problems in precede
Low Shear Viscometer A tester to measure viscosity of coating color under the low shear as in a real coater
 

Image of equipments
[WRV tester]
[High Shear Viscometer]
[Low Shear Viscometer]