Porous PTFE Coated Fabric, porous release sheet for curing process

porous ptfe coated fabric has a high porosity than most PTFE coated fabrics, and this line combines fiberglass with lower levels of PTFE coating.

This material is used in applications which need airflow throw the fabric under pressure (air circulation for drying and curing processes), normal applications including casting sheets for uncured elastomers, vacuum bag bleeder cloth for composite molding in the manufacturing of composite aircraft components.

Unlike PTFE premium series, it is more flexible, much stronger and can be wrapped around curved shapes.

Porous PTFE coated fabric

After many years development, Youngsun offering Porous series with balanced PTFE content and porosity.

With high porosity surface, this Porous PTFE coated fabric allow air pass the fabric during the production such as vacuum bag bleeder cloth, which allow products to cure and out gas through fabric.

In the meantime, PTFE content will still ensure easy release and high tensile strength. Youngsun will balance these two properties.

Porous PTFE coated fabric

Applications of Porous PTFE coated fabrics

Because of their unique properties, these fabrics are excellent for using in a wide range of applications, from the manufacture of polymers to a release medium for composite molding process.

Applications of Porous PTFE coated fabric:

★ Aerospace, Communications & Milltary, Composite mold release in vacuum bag, or use as release sheets for fabricating glass-resin structures.

★ Polymer Processing: Manufacture of Silicone Rubber sheets, Curing rubber and plastic foams and sponge.

★ Insulation and protection.

★ Seperation materials.

★ Drying painted or lacquered products.

★ Release sheet for heat sealing machines

Specifications of porosity PTFE Fabric

Product	Product Category	Coating
PTFE GLASS FABRIC	POROUS SERIES	PTFE

		PTFE Fabric Porous Serie
Style	Standard Width(mm) Please ask for other widths	Normal Thickness (mm)	Weight (g/m2)	PTFE Content (%)	Tensile Strength Warp/Fill (N/cm)
YS9006P	1000	0.06	66	28	160/146
YS9010P	1000	0.1	140	24	240/200
YS9023P	1000, 1500, 2600	0.23	278	26	460/430
YS9032P	1000, 1250, 1500, 2600	0.32	380	22	700/630

Porous PTFE coated fabrics

How to use Porous PTFE Fabric for Vacuum bag systems

Porous PTFE Sheet is used to touch the composited material directly, the enough porosity ensure the redundant resin and air can pass though PTFE sheet, and this bag can be vacuumized thoroughly.

This fabric will also providing a shiny surface for composited material after release.

Vacuum bag system will also use PTFE adhesive fabric to stick to molding, which is on the bottom of the vacuum bag.

PTFE fabric for vacuum bagging