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Product
Prepainted Steel
  Printed Steel
  PURAL Steel
  Matt Steel
  Regular Polyester Steel
  Embossed Steel
  P.V.D.F.Steel
Galvanized Steel
  Hot-dip Galvanized Steel
  55%Al-Zn Coated Steel
Plastics & Chemicals
  PVC   ABS
  PS    EPS
  PVC Stabilizer
  Silica    Silicone
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PURAL(PU) Steel
 
 
 Characteristics of PURAL(PU)
  • High flexibility, Good adhesion
  • High abrasion & chemical resistance
  • Excellent Resistance to Chalking
  • Various types of Surface
    1. Leather Grain Embossed Pattern
    2. Non-slip : Matt Finish & Wrinkle type
 Advantages of PURAL(PU)
 
  • Environmentally
    1. No pollution during Production
    2. 25 year Warranty
  • Economically
    1. 10% higher productivity (10% faster processing speed than that of Plastisol)
    2. Lower maintenance cost (excellent Gloss retention ratio % Color difference)
 Coating System
 

  Polyurethane Coating
 

 
 
  Normal Coating
 

 
 Comparison between Polyurethane Coating and PVC Sol
 
  Mechanical Properties
Test Item Polyurethane PVC Sol Reference
D.F.T 40 - 50µ 200µ ASTM D1186
GLOSS (60? 25 - 80% 30 - 60% ASTM D 523
T-BEND oT No pick-off No pick-off ASTM D4145
1T No pick-off No pick-off
2T No pick-off No pick-off
MEK RUBS Good Poor ASTM D5402
C.E.E. 6mm / Impact Good Good ASTM D3359
Pencil Hardness F-H 4B-6B ASTM D3363
Chemical REsistance (24hr) 5% HCL Good Poor ASTM D1308
5% NaOH Good Poor
 
  OUV Test (Accelerating Weathering 1000hrs)
Test Item (ASTM G154) Polyurethane PVC Sol
Color Difference Cream Color DE 0.5 DE 1.67
Green Color DE 1.5 DE  4.53
Gloss Retention Cream Color 80% 6%
Green Color 80% -
 
Keysu Industrial Co., Ltd   Copyright (c) 2008 -  Keysu Industrial Co., Ltd. All rights reserved
  305 Sunil Bldg., 360-3 Sindang-dong, Joong-gu, Seoul 100-450, Korea . Phone : +82-2-2233-3677  Fax : +82-2-2233-3675   
  Email : keysukorea@gmail.com