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PU Foam Sealant

Low Expansion Door Window PU Foam

LOTFIX F30
Base Technology Polyurethane
Tack Free Time 5~10 mins
Curing Time 30~60 mins
Yield (Output Vol.) 45~50 L
Shrinkage No
Flammability Class (DIN 4102) B3
Application Temperature Range +5°C ~ +35°C
Temperature Resistance Once Cured -30°C ~ +80°C
Shelf Life 12 months
*The above data is based on the standard environment with a construction temperature of 23±2℃ and a humidity of 50±5%.
Overview of Low Expansion Door Window PU Foam

LOTFIX F30 Low Expansion Door Window PU Foam is a one-component polyurethane foam developed for window and door installation where more controlled expansion is important. It is suitable for filling and sealing around frames, connection gaps, and common openings while helping create a cleaner and more balanced installation result.

Designed for both gun type and manual type application, F30 is especially suitable for projects that need a foam focused on frame installation rather than simple high-volume filling. When applied correctly, it helps support stable positioning around windows and doors and reduces the risk of bowing or warping during installation.

Product Focus
Low Expansion
Best For
Window & Door Frames
Application Type
Gun / Manual
Installation Goal
More Controlled Fit

Why Low Expansion Matters

Better for Frame Installation

A lower-expansion product is more suitable where window and door frames require a more controlled sealing result.

Helps Reduce Distortion Risk

When applied correctly, it helps windows and doors remain free from bowing or warping during installation.

Cleaner Daily Use

Suitable for installers who need practical control, reliable sealing, and a neater frame-side finish.

Recommended Uses

Window Installation

For sealing and filling around window frames in standard installation work.

Door Installation

Suitable for door frame fixing and surrounding gap sealing.

Holes and Cracks

For filling common holes and cracks in insulation and construction areas.

Pipe Penetration Areas

For sealing gaps around pipe penetrations in walls.

Product Highlights

One-Component Formula
Good Performance Stability
Good Filling and Expanding Capacity
Sound and Thermal Insulation Support
Good Adhesion to Common Building Materials

Packaging

Can Size
750ml/can, 500ml/can
Application Type
Gun type / Manual type
Gross Weight
500g to 1000g upon request
Carton Options
15 / 12 / 6 cans per carton

Contact us for other carton packaging requirements.

LOTFIX F30 low expansion door window pu foam low expansion pu foam window and door polyurethane foam
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