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Paint System

The document outlines various maintenance coating systems for carbon steel in atmospheric and cryogenic zones, with and without insulation. System M1 is for atmospheric zones without insulation and includes spot repair and touch-up options using epoxy and polyurethane coatings. System M2 is for cryogenic zones under insulation using amine cured phenolic epoxy coatings. System M3 is for atmospheric zones with insulation, providing blast cleaned and touch-up options utilizing inorganic zinc silicate and modified silicone acrylic coatings. Nominal dry film thicknesses and surface profile requirements are specified for each system.

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Tan Chen Kiong
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40 views1 page

Paint System

The document outlines various maintenance coating systems for carbon steel in atmospheric and cryogenic zones, with and without insulation. System M1 is for atmospheric zones without insulation and includes spot repair and touch-up options using epoxy and polyurethane coatings. System M2 is for cryogenic zones under insulation using amine cured phenolic epoxy coatings. System M3 is for atmospheric zones with insulation, providing blast cleaned and touch-up options utilizing inorganic zinc silicate and modified silicone acrylic coatings. Nominal dry film thicknesses and surface profile requirements are specified for each system.

Uploaded by

Tan Chen Kiong
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
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Download as PDF, TXT or read online on Scribd
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PTS 15.20.

03
PROTECTIVE COATINGS AND LININGS June 2019
Page 30 of 64

A1.2 MAINTENANCE COATING SYSTEMS


Nominal Surface
Service Category System ID Coat Paint and Coating Specifications DFT Profile
(μm) (Rz, μm)
M1-A
(Spot Repair 1 Surface Tolerant Epoxy 125
During 2 Surface Tolerant Epoxy 125
3 Aliphatic Polyurethane 60 SSPC-SP11(j)
Construction,
Without
Insulation) Total 310
1 Single-pack Moisture Curing Zinc 70
M1-B (b)
(Touch-up
Primer
During 2 Single-pack Moisture Curing Zinc 70
Primer SSPC-SP11(j)
Shutdown,
Without 3 Aliphatic Polyurethane 60
M1 Insulation) Total 200
Carbon Steel
Atmospheric Zone M1-C 1 Epoxy Universal Primer 75
With/Without Insulation (Spot Repair 2 Epoxy Micaceous Iron Oxide Build 150
During Online Coat SSPC-SP11(j)
(Between -5°C to 120°C)
Application,
With Insulation)
Total 225
Single-pack Moisture Curing Zinc
1 70
M1-D (b) Primer
(Touch-up With Single-pack Moisture Curing Zinc SSPC-SP11(j)
2 70
Insulation) Primer
Total 140
1 Zinc Rich Epoxy 75
M1-E 2 High Solid Epoxy 150
(Blast Cleaned 3 Aliphatic Polyurethane 60 50-75
Surface Area)
Total 285
M2
1 Amine Cured Phenolic Epoxy 100
Carbon Steel
(c) (d) 2 Amine Cured Phenolic Epoxy 100
Cryogenic Zone M2 50-75
3 Amine Cured Phenolic Epoxy 100
Under Insulation
(Between -70°C to -5°C) Total 300
1 Inorganic Zinc Silicate 75
M3 M3-A 2 Modified Silicone Acrylic(e) 30
Carbon Steel (Insulated, Blast 3 Modified Silicone Acrylic(e) 30 50-75
Cleaned)
Atmospheric Zone Total 135
With/Without Insulation
1 Modified Silicone Acrylic(e) 30
(Between 120°C to 250°C) M3-B (f)
(Insulated, 2 Modified Silicone Acrylic(e) 30 SSPC-SP11(j)
Touch up) Total 60
M3-C 1 Inorganic Zinc Silicate 75
(Non-Insulated, 2 Modified Silicone Acrylic(e) 30 50-75
Blast Cleaned) 3 Modified Epoxy 100

10.39.75.144 azmil.aris@petronas.com.my azmil.aris@petronas.com.my 08/05/2019 05:18:00 GMT

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