Aluminium Heat Resistant Pure Silicone Supplier in China
Aluminium Heat Resistant Pure Silicone paint coating manufacture Shenzhen China  
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Fire proof retardant heat resistance coating

VOC Compliant Air Drying Silicone Based Heat Resistant Coating
Two-Component State-OF-The-Art Silicone Coating
Fouling Release Tiecoat

Single Component High Heat Aluminum Coating
High Heat Resistant Black Coating
Silicone Based Heat Resistant Coating
Quick Drying Heat Resistant Aluminium Enamel
Aluminium Heat Resistant Pure Silicone
Air Drying Self-Priming Heat And Corrosion Coating

Compliant VOC High Build Modified Silicone Coating
Solventborne Silicone Coating
Heat Reflective Ceramic Coating

General Purpose Aqueous Based Fire Retardant Surface Coating
Solventborne Silicone Coating
Air Drying Self-Priming Heat And Corrosion Coating
One-Coat Aluminum Fire Resistance Coating
Coloured Heat Resistant Acrylic Silicone
Fire Retardant Coating

  

Aluminium Heat Resistant Pure Silicone

PRODUCT SPECIFICATIONS:

Product Description
HJ-1138 is a high temperature resistant, aluminum
pigmented primer, based on silicone resin.
Recommended Use
As a general purpose primer, for use in protection of steel
surfaces subjected to temperatures up to 600°C.
Outstanding Characteristics
- High temperature resistance
- Withstanding extreme thermal shocks
- Excellent recoatability without stoving between coats
- Good corrosion and weather resistance
Surface Preparation
Remove oil and grease, etc. with suitable detergent.
Remove salt and other contaminants by (high pressure)
fresh water cleaning.
Abrasive blasting to Sa 2½, SSPC-10 .

Technical Data

 

Finish

 Semi gloss

Colour

 Aluminum

Volume Solids

32 ± 2%

Specific Gravity

1.05 ± 0.05 gr/cm3

Flash Point

25 °C

Recommended D.F.T.

25 - 40 microns

Theoretical coverage

12.8-8 sqm/lit 12.19-7.62 sqm/kg

Practical Coverage

depends on loss factor

Touch dry

2 hours at °C

Hard dry

after thermal curing

Thermal Resistance

Continuous 600 °C Noncontinuous 650 °C

Shelf life

12 months at 25 °C

Packaging

liter container

Application Details Application method

Air/Airless spray, Brush

Nozzle orifice Nozzle pressure

017" 125 bar / 1800 Psi

Mixing

Single pack

Thinner/Cleaner

 RZT- 71

Pot life

N/A

Recoat interval min: Recoat interval max:

24 hrs at °C (see Remarks overleaf)

Application Procedure HJ-1138
1. Flush all equipment with recommended cleaner before use.
2. Stir the product thoroughly with a power mixer.
3. For air spray, thin with no more than 5% of recommended
thinner for workability.
4. Apply a wet coat by parallel passes. Overlap each pass 50%
to avoid bare areas, pinholes or holidays.
5. Preceding coat: can be used directly on blast – cleaned steel .
for maximum protection a primer coat of one of the following
paints is recommended (40 micron /1.6 mil dry film thickness:
HJ-732 or HJ-7311
This will lower the heat resistance to approx 400° C / 750° F.
6. Film thickness: it is recommended to avoid to high thickness
of the paint as this will give a risk of blistering at later heating.
Thinner HJ-71 must be added at application to secure the low
dry film thickness.
7. Recoating: May be recoated when thorough dry (24 hrs at
° C ) or after being heated for one hour to approximately
0° C/392° F.
Before recoating after exposure in contaminated environment
clean surface thoroughly by high pressure fresh water hosing
and allow to dry.
6. Double coat all welds, rough spots, sharp edges, rivets,
bolts, etc. to ensure proper thickness.
8. Random pinholes, holidays and small damaged or bare areas
can be touched up by brush when the film is dry to touch.
Larger areas should be resprayed.
9. In confined areas ventilate with clean air during application
and drying until all solvents are removed.
10. Clean all equipment with recommended cleaner
immediately after use.
Heat curing and baking
Baking causes all the hydroxyl group still present in silicon
resins to condense. When this has been achieved the resultant
paint film will have maximum resistance to heat, corrosion and
chemicals. To achieve fast & complete curing of the paint film
it should be heated for one hour at 230°C. It is preferable to
raise the temperature gradually. Although lower temperature or
shorter baking times can produce hard paint films, the films
may not be fully cured.
Limitations
Surface temperature must be at least 3°c above dew point.
Relative humidity during application should be less than 80%.
Do not apply coatings under reverse environmental conditions.
Safety
This product is flammable. Keep away from heat
and open flame. Keep container closed. Avoid
prolonged and repeated contact with skin.
Since improper use and handling can be hazardous
to health and cause fire or explosion, safety
precautions included with application instructions
must be observed during all storage, handling, use
and drying periods.
If used in confined areas:
- circulate adequate fresh air continuously during
application and drying.
- Use fresh air masks and explosion proof
equipment
- Prohibit all flames, sparks, welding and smoking
- Take precautionary measures against static
discharges
Keep away from food products.
Storage and Handling
The products must be stored in accordance with
national regulations.
The products should be kept in a cool and well
ventilated place protected from heat and direct
sunlight. Containers must be kept tightly closed.
Handle with care. Stir well before use.
Remarks
The informations in this data sheet is given to the
best of our knowledge based on laboratory testing
and practical experience.
However we reserve the right to change the given
data without notice.
Any recommendation relating to the use of the
products, is based on data believed to be reliable. It
is buyer to satisfy itself of the suitability of the
product for its own particular use .
As the product is often used under conditions
beyond our control, we cannot guarantee anything
but the quality of the product itself.

 



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