MastaTEX™ Nonwoven is a continuous filament geotextile made from highly durable virgin polyester fibres, which are resistant to all naturally occurring soil acids and alkalis. The textile is formed through needle punching in order to produce a product suitable for use in road & rail work, separation, drainage, protection and filtration works. MastaTEX™ NonWoven geotextiles are manufactured to ISO 9001 quality assurance procedures. Properties of mastaTEX™ NonWoven geotextiles are derived from in house and independent laboratory testing.