TexVantage Polyester Pre-wetted Cleanroom Wipers, Non-Sterile - TX8949P TexVantage™ TX8949P pre-wetted products are pre-wet with 0.2 μm filtered 70% USP-grade IPA / 30% DIW for ease of use. These wipers provide a consistent, optimized cleaning efficiency with repeatable wetness and VOC levels. Material/Structure: 100% Polyester with a Sealed-Edge Cleanroom Environment: ISO Class 3 - 8, Class 10 - 10,000, EU Grade B - D