Asian Paints Woodtech PU Thinner

• Manufacturer: Asian Paints Limited
• Product: WoodTech PU Thinner
• Purpose: Diluting and thinning polyurethane (PU) wood finishes
• Sizes Available: 1 litre and 3 litre
• Improves Levelling: Helps the film flow out smoothly instead of showing brush marks
• Better Film Formation: Supports an even, continuous coating
• Faster Drying: Speeds up film drying between coats
• Important: Flammable solvent — read the safety guidance below before use

Asian Paints WoodTech PU Thinner is the solvent made for diluting Asian Paints polyurethane wood finishes to the correct application viscosity. It is a matched component of the WoodTech PU system, not a general-purpose thinner.

That distinction is the whole point of buying it. A PU finish cures by chemical reaction, and the solvent you add takes part in how that reaction proceeds and how the film forms. Use the thinner formulated for the system and you get better levelling, better film formation and faster drying — the film flows out smoothly rather than holding brush marks, and it sets as a continuous coat. Use a cheap general thinner or an NC thinner instead and the same PU finish can bloom, cure poorly, or fail to adhere, which means sanding an expensive coating back off and starting again.

Thinning is not optional on most PU applications either. Straight from the tin a PU finish is usually too viscous to spray, and too heavy to brush without marks. The data sheet for your specific finish gives the correct ratio — follow that, not a rule of thumb, because over-thinning reduces build and film strength just as surely as under-thinning causes runs and brush drag.

Technical Specifications

Which Pack Size?

Buy to your actual requirement rather than stockpiling. Thinner is a flammable liquid, so the less of it sitting in a workshop or a home, the better.

Getting a Good Finish

1) What is PU thinner used for?

Diluting polyurethane wood finishes to the right consistency for brushing or spraying. Straight from the tin a PU finish is usually too thick to spray and too heavy to brush without leaving marks.

2) Can I use ordinary thinner or NC thinner instead?

No, and it is a costly mistake. A PU finish cures by chemical reaction, and the solvent takes part in how the film forms. General or NC thinner on a PU system can cause blooming, poor cure, or adhesion failure — meaning you sand an expensive finish back off and start again. The few rupees saved per litre are not worth it.

3) How much thinner should I add?

Follow the data sheet of the finish you are thinning, not a rule of thumb. The ratio differs by product and by application method — spraying needs more than brushing. Over-thinning reduces film build and durability, so you end up applying more coats for the same protection.

4) Is it safe to use indoors?

Only with thorough ventilation. This is a flammable solvent and its vapour is heavier than air, so it sinks and collects at floor level where it can reach a pilot light or a low switch. Work with doors and windows open, never in a closed room or basement, and wear an organic-vapour respirator — a dust mask does nothing against solvent vapour.

5) How should I dispose of rags and leftover thinner?

Rags soaked in solvent or PU finish can catch fire on their own if left bundled, because the coating generates heat as it cures. Spread them flat outdoors to dry fully, or seal them in a metal container with water. Never bin a heap of them. Leftover thinner should be kept tightly closed in its original container, or disposed of through proper chemical waste channels — never poured down a drain.

1. Return within 24 hours of delivery for:
   • Damaged or defective product
   • Wrong or missing item
2. Product cannot be returned once installed or used
3. Refer to Refund Policy for complete details

Please check the seal and container on delivery. Opened containers of flammable solvent cannot be accepted for return.