POLYURETHANE COATINGS
SUNPUGARD: Two-component UV-resistant, polyurethane coating
- Used for exteriors and interiors
- Concrete surfaces
- As a topcoat for epoxy flooring
- As a protective coating on steel surfaces
- Excellent chemical and abrasion resistance
- Its good adhesion justify to concrete and a variety of other surfaces makes it an ideal choice for coating
- Free the surface to be coated from dust, oil, grease, etc
- Stir the contents of part a well
- Mix 4 volumes of part a with 1 volume of part b
- Stir well
- Apply using a spray or brush
- Allow the coat to cure for 2 hours before re-coating
- After applying the second coat, allow it to cure for 24 hours
SUNPUGUARD SPL: High-build polyurethane coating
- Concrete surfaces
- Topcoat for epoxy flooring or over high-build epoxy coatings
- Anti-corrosive protective coating on steel or metal surfaces
- Abrasion resistant film
- Chemically and UV resistant
- Good corrosion resistance
- Excellent adhesion to various surfaces
- Effective on concrete and metal
- Retains color and gloss well
- Suitable for concrete and metal surfaces
- Ideal for coating MS pipelines and structural steel
Surface Preparation:
- Remove dust, oil, moisture, grease, etc., from the surface.
- Ensure the surface is completely dry (moisture content less than 4% as tested by a moisture metre).
- Apply a suitable primer like SUNEPOXY PRIME or recommended primer based on site conditions.
Mixing:
- Mix 4 parts of Part A with 1 part of Part B of SUNPUGARD SPL.
- Stir the mixture well for homogeneity.
- Let the mixture stand for 10-15 minutes to initiate the reaction.
Application:
- Apply the mixture using a spray or brush.
Curing:
- Allow the first coat to cure for 2 hours before applying another coat.
- After applying the second coat, let it cure for 24 hours.
SUNGARD WB: Single component, water-based, hygienic polyurethane wall coating
- Green building
- Electronics assembly and computer rooms
- Hospitals
- Hotels and flight kitchens
- Dairies and breweries
- Food and meat processing plants
- Residential premises
- Good resistance to water and cleaning chemicals
- Water-based, environment-friendly coating
- Single component user-friendly application
- Elastomeric film accommodates minor cracks
- Very high stain resistance
- Prime with SUNGARD WB primer
- Open the container and stir the content well with a mechanical stirrer to attain uniform consistency
- Apply a minimum of two coats of SUNGARD WB on the primed surface using a brush, roller, or spray
- Apply it at an interval of 6 hrs
SUNPUGARD 100: Two-component, elastomeric high-performance polyurethane coating
- Potable water pipe linings
- Potable water tank linings
- Lining for potable water valves and fitting
- Corrosion-resistant coatings to pipeline
- Corrosion-resistant coating to concrete structures
- Excellent abrasion and impact resistance
- Highly impermeable coating
- Non-toxic and safe for contact with foodstuff and potable water
- Resistance to mould growth
- Equally effective on concrete or metal substrate
- Mix one batch at a time in a specified ratio
- Mix the resin container before use to remove pigments from the container’s bottom
- Apply the SUNPUGARD 100, mix by brush/airless spray/wiper or any other suitable means
FAQs
Is polyurethane PU waterproof?
Yes, polyurethane (PU) is waterproof. It’s a polymer composed of organic units joined by urethane links, known for its excellent water resistance. PU is widely used in coatings, sealants, and foams for its ability to form a durable, flexible, and impenetrable barrier, effectively preventing water penetration and damage.
Is PU paint UV resistant?
PU paint typically has good UV resistance, making it a popular choice for applications exposed to sunlight. Its formulation includes UV absorbers or stabilizers, which help in preventing color fading and degradation due to UV exposure. This makes PU paint suitable for outdoor furniture, coatings, and surfaces.
How long does polyurethane waterproofing last?
The lifespan of polyurethane waterproofing can vary, but it generally lasts between 10 to 15 years, depending on factors like the quality of the product, application method, environmental conditions, and maintenance.
Is polyurethane good for waterproofing?
Polyurethane is excellent for waterproofing due to its strong water-resistant properties. It forms a durable, seamless barrier that effectively prevents moisture penetration. Its flexibility allows it to withstand temperature variations and movement, making it ideal for roofs, decks, and floors.
How is UV resistant polyurethane wall coating applied?
UV resistant polyurethane wall coating is typically applied in a multi-step process. First, the surface is cleaned and prepped. Then, a primer may be applied for better adhesion. The polyurethane coating is then evenly applied using brushes, rollers, or sprayers. Multiple coats might be needed, with adequate drying time between each layer.