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Product TECHNICAL Data
PP Primer / Adhesion Promoter
 
Description
Eptex Formula PP Primer is a formulated natural rubber based primer
with high build, good adhesion property and excellent on
thermoplastic or polypropylene.
Uses
Suitable for use as primer for PP (Polypropylene) or any
thermoplastic products.
Technical Data
Colour : Clear EF100-RC (Clear)
Viscosity : 19 sec. # 4 at 25°C
(Flow Cup) sec.
ISO Cup No.4
Density : 0.8761 g/ml
Specific Gravity : 0.8789
Solid contents : 4.5 %
Contents : (Natural Rubber, synthetic resins, accelerator solution
and
antyoxydant.
Solvents : Toulene.
Mixing : Ready use or add 5 – 10% by weight of thinner if necessary.
Application
Substrate
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Properly treated PP and thermoplastic.
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Surface
preparation
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Clear surface thoroughly with mild detergent and water
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Gun setups |
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Conventional gravity feed : 1.6 – 1.8 mm |
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HVLP gravity feed : 1.4 – 1.8 mm
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Spray pressure |
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1. Gravity feed (3.5 – 4.0 bar) |
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2. HVLP (0.7 bar at nozzle)
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Spray viscosity
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11.5 – 12.0 sec on ford cup # 4 at 25°C
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Application
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Apply 2 – 3 coats ( 8 – 10 ~ ) Micron
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Flash / Dry
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Flash between coats : 30 sec.
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Touch dry
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+/- 20 minutes at 27 – 33°C
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Tack free
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35 minutes
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Hard dry
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18 hours (27 – 33°C)
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Force dry
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Baking time is 30 – 45 minutes at 65°C
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APPLICATION
 
  
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