COROLOK -  ANTCORROSIVE POLYMER COATING

PERFORMANCE DATA

 Test Data IS:13620 Appendix A

Chemical Resistance Test - 45 Days

3M Cacl2

No softening, swelling, blistering or cracking was observed at the end of 45 days.
3M NaOH
Saturated Ca(OH)2
Distilled Water

2V impressed voltage test (Accelerated Corrosion)

Medium: 7% NaCl
Voltage Impressed: 2V
Duration-1 hour
At the end of 1 hour, no dissolution, no disbondment of the coating was observed

Technical Data

Tolerable limit for chlorides 10000 ppm
Bond Strength
Test Specification:
IS:2770 (Part I) -1967
IS:516 -1959
IS:13620 - 1993
No.of Tests conducted: 24

 

Coating Improves the Bond strength  23% incase of HYSD rods and 
123% incase of plain MS rods in comparison with uncoated bars.
Exceeds the specification requirements of IS:13620-1993 (c
Impact strength
IS:13620:1993 A-7.1, A-7.2
> 9Nm   
Hardness using pencil hardness 5H to 7H
Thickness of coating 200 to 300 microns