Weldable Sealing Films

Weldable sealing films are at the heart of many industrial, medical, and event applications.Their ability to be welded enables the manufacture of flexible, strong, and perfectly airtight structures.

High-performance films for technical applications

Our weldable sealing films provide reliable technical solutions for demanding applications: air chambers, water pockets, flexible windows, thermal covers. Made of PVC or polyurethane (PU), they combine transparency, mechanical strength, elasticity, and airtightness.

Transparent UV-resistant film (PVC Cristal)

The PVC Cristal transparent film is an ideal solution for manufacturing flexible windows and elements requiring transparency and excellent UV resistance.

Airtight even at very low thickness, it offers very good mechanical strength.

Thickness	250 µm

PU 100 / 150 / 250

Polyurethane (PU) films, available in 100, 150, and 250 microns, are designed for applications such as air chambers and water pockets.

Ultra-airtight to air and liquids from 15 µm, they offer good elasticity and contribute to structural integrity under pressure.

Compliant with ISO 10993 standard (skin tolerance, hydrolysis resistance, and microorganism resistance).

	PU 100	PU 150
Weight	115g/m²	172,5g/m²
Thickness	100 µm	150 µm
Elongation at break	389%	493%
Tensile strenght (warp)	54MPa	55MPa

PU Rivesail grey reinforced

The PU Rivesail grey reinforced film is a technical nylon film coated with polyurethane on both sides, specially designed for applications requiring reliable airtightness and weldability (HF welding).

This film stands out for its cold resistance (breaking point at –40 °C), ensuring durable performance even in the most demanding environments.

Approved for abrasion resistance, skin compatibility, and chemical resistance. It is washable and an excellent choice for specific flooring applications.

Weight	430 g/m²
Thickness	400 µm
Breaking strenght	Warp : 1000N/5cm Weft : 900N/5cm
Tear resistance	35N
Elongation at break	22%
Cold breaking point	-40°c
Dry adhesion (HF welding)	Warp : 150 Weft : 150

This reinforced PU is widely used for medical applications.

PU 300 µ flexible

The PU 300 µ is a flexible and biocompatible material, suitable for inflatable cushions, pockets, inflatable elements, or ISO chambers.

Its polyurethane composition ensures excellent weldability and controlled flexibility, ideal for inflatable components requiring comfort and reliability, especially in medical applications.

Available in several colors (Ecoseal blue, dark blue, red, and gray).

Thickness	0,30 mm
Weeight	315 g/m²
Tear resistance	≥ 45 / ≥ 45 N Mpa
Initiated tear resistance	≥ 60 / ≥ 60 N /mm
Elongation	≥ 500 / ≥ 500 %

The blue PU is mainly used for medical applications.

Gray/beige tarpaulin

PVC tarpaulin designed for thermal cover applications requiring both strength and durability.

Its specific formulation offers excellent resistance to UV rays and chemicals such as chlorine, making it ideal for outdoor or humid environments.

Weight	580 g/ m²
Material	PVC
Breaking strenght	2500 N/5cm
Tear resistance	270 N
Adhesion	60 N/5cm
Temperature resistance	-40 / +70 °C
Fire reaction	< 100 mm/min
Lightfastness	7-8

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Weldable Sealing Films

High-performance films for technical applications

Transparent UV-resistant film (PVC Cristal)

PU 100 / 150 / 250

PU Rivesail grey reinforced

PU 300 µ flexible

Gray/beige tarpaulin

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