Specification property (controlled to aim and released within specifications). The customer is responsible for determining that Tyvek® is suitable for the intended application.
NOTES: All properties ar typical values based on roll averages, with samples taken uniformly across the sheet. Customers must conduct their own tests to ensure suitability for the intended application. These properties are representative for uncoated Tyvek®
as sold by DuPont. Any downstream operations, such as coatings applied by sterile packaging manufacturers (SPMs), may change these values.
MD = machine direction; CD = cross direction |
- Modified sample size
- For Tyvek® 2FS™, test was modified for speed and guage length.
- ΔP = 0.22 psi (1.5 kPa), area 10 cm2
- Test conditions: 73°F (23°C)/85% relative humidity.
- Rate of use: 60 cm H2O/min.
- Modified for speed and gauge length
- Modified for 9/16 inch. (14.3-mm) diameter probe.
- 7.15 psi, 0.652 inch. diameter presser foot
- Surface 2 cm2, pressue 14.5 psi (100kPa).
- Modified for different backing standards, area and illumination
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