Pre-coated Products DONGBU STEEL CO., LTD

◈ Dongbu is the number one supplier of pre-coated products in Korea. ◈ Dongbu’s pre-coated products provides excellent corrosion protection, weather proof, high workability and formability. ◈ Dongbu’s pre-coated products are chromated with high coating materials and processed by the ‘ Two-Coat Two- Bake’ system for the excellent paint adhesion and atmo- -spheric corrosion resistance. ◈ Dongbu steel produces variations of pre-coated products by using a variety of colors and resins. Key Characteristics

Primary Pre-Coated Products Product Polyester Silicon Coated Key CharacteristicsMain Applications Strong resistance to corrosion Climatic change, Chemical change Interior-exterior decorative materials for building, Interior-exterior panels of home appliances Very strong resistance to corrosion, Climatic change, Chemical change Exterior decorative materials for building, etc. PVDF Steel Excellent atmospheric corrosion resistance, Corrosion resistance, Wear durability, Heat resistance, Moisture resistance, Wear resistance, Workability Interior-exterior decorative materials for building, etc. Requiring a long-term guarantee of quality

Primary Pre-Coated Products Product Highpolymeric Polyester PVC laminated Key CharacteristicsMain Applications Excellent workability, Heat resistance, Moisture resistance, Shock resistance, Chemicals Resistance, Surface hardness Home appliances (Exterior panel of refrigerators, Washing machines, VTRs, etc..) Beautiful surface, Diverse colors and patterns, Excellent corrosion resistance, Workability, Chemicals resistance, Wear resistance Exterior decorative materials for home appliances, Interior decorative materials, Furnitures Aluminium Interior-exterior decorative materials for furnitures Excellent atmospheric resistance, Corrosion resistance, Heat resistance, Workability, Wear resistance

Primary Pre-Coated Products Product Green board White board Key CharacteristicsMain Applications Excellent usability Erasable property Wear resistance Smooth surface Green board Excellent usability Erasable property Wear resistance Smooth surface White board

Manufacturing Process (Asan Bay Works 650,000 Mt/Y) Manufacturing Process (Asan Bay Works 650,000 Mt/Y) Two coat Two bake System Primer coatingBase metalPretreatmentBaking Tension levelingTop coatingBakingProduct

Size Availability Products & Applications Inchon Works Line Capacity (1000Ton) UnitThicknessWidth PE,HI-PE,PVDF AL-COLOR GREEN BOARD No.3100mm0.2 ~ ~ 1,430 PE, SI-PE, PVDF, AL-COLOR LAMINATE No. 1 No mm 0.2 ~ ~ ~ 1, ~ 1,320 PE,SI-PE,HI-PE PVDF,TEFLON GREEN BOARD

Available Quality of Base Metal Specifications KS D 3506 SGCC Quality JIS G 3302ASTM SGCH - SGCD1 SGC 35 SGC 41 SGC 45 SGC 50 SGC 58 SGCC SGCH - SGCD1 SGC 340 SGC 400 SGC 440 SGC 490 SGC 570 A 653 CQ - A 653 LFQ A 653 DQSK A 446 Grade B A 446 Grade C A 446 Grade D A 446 Grade E Commercial Hard Lock Forming Drawing A 653 SQ Grade 37 A 653 SQ Grade 40 A 653 SQ Grade 50 A 653 SQ Grade 80