1. Introduction of Neoflon PFA SH tubing Manufacturer: Sungwon International Co.,Ltd. Supplier: KCTNS Co.,Ltd.

2. Introduction of Neoflon PFA SH tubing and piping Introduction of PFA tubing 1/7 Maker:Sungwon International Co.,Ltd. Resin:Dupont PFA 451HP-J (Dupoint-Mitsui Fluochemical Co.,Ltd.) Increased smoothness by minimizing spherulite size and enhanced chemical permeability resistance by increasing its crystallinity from PFA 450HP-J Strong point 1) Suitable for applications that require improved color, lower extractable fluorides and freedom from other foreign materials. 2) No additives 3) Designed for hostile chemical environments 4) Reduce amount of bubbles in final parts and decreased corrosion of processing equipment 5) Superior thermal material property -196 ℃ to 260 ℃ (to cover nearly all industrial chemical and solvents) Application 1) Semiconductor 2) Fluid handling for industry or life science 3) Instrumentation for precise measurement of fluid system Reference:Neoflon PFA tubing and piping is supplied to semiconductor, TFT-LCD and chemical industry. Semiconductor (S, H, D company, Korea) TFT-LCD (S, L, B company, Korea) Equipment supplier (K, S, D company for fluid handling equipment for semiconductor and TFT-LCD) Product:PFA tubing and piping Tubing (standard size from 1/8” to 2”) Piping (standard size from 1/4” to 2”) Packaging (100mm/ 200mm standard or 330/ 660 ft equivalent)

3. Introduction of Neoflon PFA SH tubing and piping Typical property data for Teflon PFA 451HP-J PropertyASTM Test method UnitNominal value Thermal Nominal melting point Coefficient of linear thermal expansion 21-100 ℃ 100-149 ℃ 149-208 ℃ Upper service temperature Flow rate D3307 3696 - D3307 ℃ Mm/mm/ ℃ ℃ g/10 min 302-312 14 x 10 -5 18 x 10 -5 22 x 10 -5 260 2.0 Mechanical Tensile strength, 23 ℃ 200 ℃ Specific gravity Tensile yield strength Ultimate elongation, 23 ℃ 200 ℃ Flexural modulus, 23 ℃ 200 ℃ Hardness durometer MIT folding endurance 0.20mm D3307 D792 D3307 D790 D2240 D2176 MPa - MPa % MPa - cycles 33 18 2.12 – 2.17 15 360 500 410 54 D60 1,000,000 (depending on fab conditions) Electrical Dielectric strength Short time, 0.25mm Dielectric constant, 60 – 10 6 Hz Dissipation Factor, 60 – 10 6 Hz Volume resistivity D149 D150 D257 kV/mm - Ohm.cm 80 2.03 0.0001 10 18 General Water absorption, 24 hours Weather and chemical resistance Limiting oxygen index D570 - D2863 %-%-% <0.03 Outstanding >95 2/7

4. Introduction of Neoflon PFA SH tubing and piping Specification of PFA CodeSizeO.D.O.D. ToleranceI.DWall thicknessWall thickness tolerance Minimum bend radius 451HP91/4”6.35mm+/- 0.102mm3.96mm1.19mm+/- 0.102mm40mm 451HP133/8”9.53mm+/- 0.127mm6.39mm1.57mm+/- 0.127mm50mm 451HP13½”12.7mm+/- 0.127mm9.56mm1.57mm+/- 0.127mm70mm 451HP203/4”19.05mm+/- 0.127mm15.91mm1.57mm+/- 0.127mm230mm 451HP251”25.4mm+/- 0.127mm22.26mm1.57mm+/- 0.127mm280mm 451HP341 ¼”31.75mm+/- 0.127mm28.15mm1.8mm+/- 0.127mm- Tube (inch size) Order numbering SizeO.D.O.D. ToleranceI.DWall thicknessWall thickness tolerance Minimum bend radius ST-04M4mm * 3mm4mm+/- 0.1mm3mm0.5mm+/- 0.1mm20mm ST-06M6mm * 4mm6mm+/- 0.1mm4mm1mm+/- 0.1mm40mm ST-08M8mm * 6mm8mm+/- 0.1mm6mm1mm+/- 0.1mm50mm ST-10M10mm * 8mm10mm+/- 0.1mm8mm1mm+/- 0.1mm50mm Tube (mm size) 3/7 * Less ¼” and over 1.5” are available according to customer’s requirement.

5. Introduction of Neoflon PFA SH tubing and piping Specification of PFA pipe Order numberingSizeO.D.O.D. ToleranceI.DWall thicknessWall thickness tolerance SP-0151/2”21.34mm+/- 0.3mm15.98mm2.68mm+/- 0.3mm SP-0203/4”26.67mm+/- 0.3mm20.93mm2.87mm+/- 0.3mm SP-0251”33.40mm+/- 0.3mm26.72mm3.34mm+/- 0.3mm SP-0401 1/2”48.26mm+/- 0.3mm40.90mm3.68mm+/- 0.3mm SP-0502”60.33mm+/- 0.3mm52.43mm3.95mm+/- 0.3mm Tube (inch size) 4/7

6. Introduction of Neoflon PFA SH tubing and piping SEM Photo of PFA tube 1” Tube 5/7 Use SEM picture Shows outstanding surface roughness 3/4” Tube1/2” Tube 3/8” Tube 1/4” Tube

7. Introduction of Neoflon PFA SH tubing and piping Observation of smoothness at welding area 1” Tube 6/7 Use polarized light microscope. No welding line at surface of PFA tube 3/4” Tube1/2” Tube 3/8” Tube 1/4” Tube

8. Introduction of Neoflon PFA SH tubing and piping Improvement of surface roughness through Teflon PFA 451HP-J 7/7 Minimizing spherulite size (reduced 1/10 compare to previous resin) Control size with 3-5 um. PFA 451HP-JNormal PFA  Inner Outer  PFA 451HP-JNormal PFA Surface roughness gives effect of cleaning efficiency to semiconductor and chemical industry. PFA 451HP-J controls particle size with 3-5um and has outstanding surface smoothness irrespective of molding conditions.