T&G Chemical 3328 Franklin Ave. Waco, TX 76710 (254) 753-1578
Instructions for Washing Microfiber Pads with Velcro™ Backing

Date	September 2004
Test Purpose	Washing Microfiber Pads with Velcro™ Backing
Specimen	Raised Velcro™

Laundering factors that affect Raised Velcro™ (Nylon)?

• Chemicals: detergent, bleach, etc.
• Washing Condtion
• Tumbling Condition

1. Chemical
   1. Detergent
      • Do not use strong alkaline detergent (≤ pH 11)
      • Reference: the pH measurement according to the amount of alkaline detergent

      • Amount of detergent with water	0.2g/l	0.3g/l	0.4g/l	0.5g/l	0.6g/l	0.7g/l	0.9g/l
        Water to detergent	0.02%	0.03%	0.04%	0.05%	0.06%	0.07%	0.09%
        pH	8	8.5	9	9.5	10	11	>12
        Possibility of Use	Acceptable						Not Acceptable

      • If detergent has more than pH 11, Velcor™ tends to get stiff and to wear away.
      • Detergent cannot be more than 0.7g/1L in order to maintain pH.
   2. Bleaching
      • Raised Velcro™ is Nylon
      • Do not use chlorine bleach because Nylon melts in chlorine bleach.
2. Washing

   • Maximum temperature 95°C (200°F) Mechanical action normal Spinning normal Rinsing normal

3. Tumble Drying

   • Maximum temperature 60°C (140°F) Tumble dry at low temperature and remove article from machine as soon as it is dry Avoid over-drying Normal cycle: 45 min. at 45°C (110°F)

   • Remove article from machine as soon as it is dry. Velcro™ can be affected by the high temperature of the drum surface.
   • SUMMARY: Pads with Raised Velcro™ backing can be used more than 300 times if laundered as follows:
     1. Detergent: Use neutral alkaline detergent of ≤ pH 11
     2. Washing temperature: Maximum 95°C (200°F)
     3. Tumble drying temperature: Maximum 60°C (140°F)
     4. Bleach: Do not use