Rogers Corporation

Product Information Sheet

DW330

Air Permeable Low Density Film

DeWAL Logo

DW330 is a low density, premium grade extruded unsintered pure PTFE product. It has the inherent benefits of PTFE: exceptional chemical resistance, extreme temperature range from -400 to 500°F, low coefficient of friction, excellent drape characteristics, and non-stick properties.

Applications:

Battery and fuel cell separators
Gas Sensor membranes

(800) 935-2940 • solutions@rogerscorp.com

Industry(s):

Automotive
EV/HEV Batteries
Venting

Features and Benefits

Outstanding chemical and thermal resistance
Well suited for harsh environments
Excellent for close tolerance, splice free applications
The highly uniform pore structure lends this material to perform successfully in critical venting situations

Basic Physical Properties	Typical Value	Units	Test Method
Tensile Strength	5.515 - 13.789 / 800 - 2,000	MPa / psi	ASTM D6040/ASTM-D882
Elongation	15	%	ASTM D6040/ASTM-D882
Density	0.5 - 1.7 / 32.2 - 106.1	g/cc / lbs/ft^3	ASTM-D792
Color	White	N/A	N/A

Construction	Typical Value	Units	Test Method
Min Thickness	0.0762 / 0.003	mm / in	ASTM-D374
Max Thickness	0.254 / 0.01	mm / in	ASTM-D374
Substrate	Extruded PTFE	N/A	N/A
Min Width	0.318 † / 0.125 †	mm / in	N/A
Max Width	152.4 † / 6 †	mm / in	N/A

Extended Physical Properties	Typical Value	Units	Test Method
Water Entry Pressure	62.05 * / 9 *	kPa / psi	ASTM D751
Water & Dust Ingress Protection	IPX8	N/A	IEC 60529
Air Flow	> 4 * / > 4 *	L/Hr/cm^2 / L/Hr/cm^2	@ 70 mBar, ASTM D737

Processing & Packaging	Typical Value	Units	Test Method
Package Type	Flat Pad or Solid Pack	N/A	N/A
Core Type	Cardboard or Plastic	N/A	N/A
Max Roll O.D.	330.2 / 13	mm / in	N/A

†Product Dependent

*Values taken @0.004"(0.1016mm)

IPX rating tested for 2 hours @ 2 meters (pass).

Typical values shown are from testing at date of manufacture and should not be used for specification limits.
Additional technical information and product specifications are available upon request.
All metric conversions are approximate.
Packaging type is width dependent.

Note: Shelf life is defined as the duration of time for which the product will meet the physical characteristics outlined on this page. It does not guarantee the product's usefulness in all applications.

The information contained in this Data Sheet is intended to assist you in designing with Rogers’ Elastomeric Material Solutions. It is not intended to and does not create any warranties, express or implied, including any warranty of merchantability or fitness for a particular purpose or that the results shown in this Data Sheet will be achieved by a user for a particular purpose. The user should determine the suitability of Rogers DeWAL products for each application. The Rogers logo, DeWAL logo and DeWAL are trademarks of Rogers Corporation or one of its subsidiaries.