This is a 2-component epoxy mastic paint cured with polyamine. This product is a paint that is not picky about the surface, is abrasion resistant, has a high solid content and can be painted at high thickness.
This product is a paint containing aluminium flakes to enhance the barrier properties of the paint film. Specially designed for areas where good surface preparation is not possible. Provides long lasting protection in highly corrosive environments.
Can be used as a primer, midcoat, finish coat or as a single coat system in atmospheric and immersed environments. Suitable as a coating on well prepared surfaces of carbon steel, aluminium, galvanized steel, stainless steel, concrete and old paint. This product can be applied at sub-zero surface temperatures.
Uses
Other variations in the same product line
Jotamastic 90
Jotamastic 90 GF
Generality:
Mainly designed for maintenance and repair work.
Shipping:
Outer shell, indoor and outdoor areas.
Industry:
Recommended for marine environments such as wave action areas, refineries, power plants, bridges, high-rise buildings, mining equipment and general steel structures.
Approvals & Certifications
Approved in accordance with PSPC for Crude Oil Cargo Tanks according to IMO Res. MSC 288(87)
NORSOK Coefficient 1, Revision No. 5.
Cereals, Newcastle Occupational Health
When used in an approved system, this product has the following certification:
- Low level of fire spread in accordance with the EU Directive for Marine Equipment. Approved in accordance with Part 5 and
2 of Annex 1-IMO 2010 FTP Code, or Parts 5 and 2 of Annex 1-IMO FTPC when required to comply with Chapter 8-IMO 2010 FTP Code.
Color number: Aluminum, Red Aluminum Foil
Standard type
|
Characteristic |
Test/Standard |
Describe |
|
Volume of solid |
ISO 3233 |
80±2% |
|
Gloss level (GU 60 o )
|
ISO 2813 |
Medium Ball (35-70) |
|
Flash point |
ISO 3679 Method 1 |
35 o C |
|
Proportion |
Calculate |
1.4kg/l |
|
VOC-US/ Hong Kong |
US EPA method 24 (CARB (SCM) 2007, SCAQMD rule 1113, Hong Kong) |
270 g/l |
|
VOC-EU |
IED(2010/75/EU) (Theory) |
234 g/l |
Type for cold climates
|
Characteristic |
Test/Standard |
Describe |
|
Volume of solid |
ISO 3233 |
80±2% |
|
Flash point |
ISO 3679 Method 1 |
36 o C |
|
Proportion |
Calculate |
1.4kg/l |
|
VOC-US/ Hong Kong |
US EPA method 24 (CARB (SCM) 2007, SCAQMD rule 1113, Hong Kong) |
220 g/l |
|
VOC-EU |
IED(2010/75/EU) (Theory) |
213 g/l |
Paint film thickness per layer
Recommended standard specification range
Standard type
Dry thickness: 100 – 300 µm
Wet thickness: 125 – 375 µm
Theoretical coverage: 8 – 2.7 m 2 /l
Type for cold climates
Dry thickness: 100 – 300 µm
Wet thickness: 125 – 375 µm
Theoretical coverage: 8 – 2.7 m 2 /l
Surface Preparation
To ensure long lasting adhesion of the next coat, the surface must be clean, dry and free from other contaminants.
Summary sheet for surface preparation
|
Paint substrate |
Minimum |
Suggestion |
|
Carbon steel |
St 2 (ISO 8501-1) |
Sa 2 (ISO 8501-1) |
|
Stainless steel |
The surface must be machine sanded or by hand, using sandpaper or abrasive disc with non-metallic grain for create surface roughness. |
Spray granules to clean the surface using granules Non-metallic approved to achieve have suitable surface roughness. |
|
Aluminum |
The surface must be sanded by machine or by hand, using sandpaper or abrasive discs with non-metallic grains to create surface roughness. |
Spray granules to clean the surface using granules Non-metallic approved to achieve have suitable surface roughness. |
|
Corrugated galvanized |
The surface must be clean, dry and rough Good. |
Blast blasting using non-metallic particles to create a clean and rough surface even. |
|
Primed steel at the factory |
Clean, dry and factory-grade primer coat undamaged (IOS 12944-4, 5.4) |
Sa 2 (ISO 8501-1) |
|
Painted surface |
Compatible paint coat is clean, dry and Not damaged |
Compatible paint coat is clean, dry and Not damaged |
|
Concrete |
Low pressure water washing achieves rough surface , clean, dry and free of surface spongy layer face (laitance). |
Curing time 4 weeks minimum. Steam Maximum moisture content 5%. Surface preparation closed-bead blasting or disc grinding diamond or other methods for sanding and removing concrete surfaces clean the concrete surface layer. |
Construction method
The product can be applied evenly
Spray form: Use airless spray.
Paintbrush/brush: Recommended for painting corners and small areas. Be careful to achieve the specified dry thickness.
Roller: May be used for small areas. Not recommended for first primer coat. Care should be taken to achieve specified dry film thickness.
Mixing ratio (by volume)
Standard type
Jotamastic 90 Alu Comp A: 3.5 parts
Jotamastic 90 Standard Comp B: 1 part
Type for cold climates
Jotamastic 90 Alu Comp A: 3 parts
Jotamastic 90 Wintergrade Comp B: 1 part
Thinning/cleaning solvent
Thinner: Jotun Thinner No. 17
Instruction data for paint sprayer
Nozzle size (inch/1000): 19-25
Pressure at spray gun tip (min): 150 bar/2100 psi
|
Surface temperature |
-5 o C |
0 o C |
5 o C |
10 o C |
23 o C |
40 o C |
|
Surface dry |
|
|
8 p.m |
12h |
4h |
1.5 hours |
|
Dry to walk on |
|
|
40h |
8 p.m |
6h |
3 o'clock |
|
Dry to apply next coat. minimum |
|
|
30h |
10h |
3 o'clock |
1.5 hours |
|
Easy to use dry/cured |
|
|
28d |
14d |
7d |
2d |
Type for cold climates
|
Surface temperature |
-5 o C |
0 o C |
5 o C |
10 o C |
23 o C |
40 o C |
|
Surface dry |
24h |
6pm |
12h |
8 hours |
3.5 hours |
|
|
Dry to walk on |
72h |
30h |
8 p.m |
12h |
4h |
|
|
Dry to apply next coat. minimum |
54h |
8 p.m |
10h |
6h |
2 o'clock |
|
|
Easy to use dry/cured |
21d |
14d |
10d |
5d |
3d |
|
Time to react and lifetime after mixing
Paint temperature: 23 o C
Standard type
Lifetime: 2h
Type for cold climates
Lifetime: 45 minutes
Heat resistant
|
|
Continuous |
Go to the top |
|
Dry atmosphere |
90 o C |
|
|
Soak, sea water |
50 degrees Celsius |
60 degrees Celsius |
Type for cold climates
Dry, atmospheric, continuous: 120 o C
Dry, atmospheric, to the top: -
Maximum peak heat resistance time 1 hour.
The temperatures listed above relate to protection only. The aesthetic performance of the paint film will be affected at these temperatures.
Product Compatibility
Previous coat: epoxy factory primer, inorganic zinc silicate factory primer, zinc epoxy, epoxy, epoxy mastic, inorganic zinc silicate
Subsequent layer: polyurethane, polysiloxane, epoxy, acrylic, vinyl epoxy
Storage
This product must be stored in accordance with the safety regulations of each country. Store the product in a cool, dry place with good ventilation, away from heat sources and ignition sources. The product container must be tightly closed. Transport with care.
Storage time at 23 degrees C
Jotamastic 90 Alu Comp A: 48 months
Jotamastic 90 Standard Comp B: 24 months
Jotamastic 90 Wintergrade Comp B: 24 months
Attention
This product should only be applied by a professional contractor. The painting contractor must be trained, experienced, capable and equipped to apply this paint correctly and in accordance with the technical process.
by Jotun. Painting contractors must wear appropriate personal protective equipment when using this product. This guide is based on current knowledge of the product. Any changes to suit site conditions must be approved by a Jotun Representative before proceeding.
Health and Safety
Please follow the precautions listed on the paint container label. Use in well-ventilated conditions. Do not breathe paint dust. Avoid direct contact with skin. If it gets on skin, wash immediately with cleaning solution, soap and water. You must immerse your eyes in water and go to a medical facility immediately.
Color Variation
When the product used is an anti-rust or anti-fouling layer, the paint film may slightly change in color from batch to batch. These products may discolor and become chalky when exposed to sunlight and outdoor weather.
The information contained in this document is given to the best of Jotun's knowledge, based on tests and practical experience. Jotun products are considered as unfinished products until they have been properly applied to the surface to be protected. However, in practice, the products may be used in conditions beyond Jotun's control. Therefore, Jotun can only guarantee the inherent quality of the products. The products may be subject to minor changes to suit local requirements. Jotun reserves the right to change the given specifications without notice.
Users should always consult Jotun for specific advice on the suitability of this product for their particular needs and application methods. If there is any discrepancy due to language issues in this document, the English (United Kingdom) document shall prevail.
