Covered fireproof expansion seal is composed of four materials with excellent texture. It has superior plasticity, waterproof, shock absorption and anti-noise functions. Covered with a PEVA film on the outer layer of the cover, the package is elegant and elegant. It is the preferred sealing product for modern home windows and doors.

Product data

Fatigue resistance test

Imitation door, window switch 100,000 times, no significant change in product shape

Sound insulation test

1v68 door with intermediate strip, noise reduction by 43dB

1V76 door with intermediate strips and adhesive tape, 45 dB noise reduction

Stress test

Under 25% compression rate, apply 15N100MM force,compression force ≤ 10N

High and low pressure tests

No significant change in sealing performance from -40°C to +90°C