Genzyme HTAA is a concentrated thermostable bacterial α-amylase as a formulating base for fabric desizing. The product can be applied in the desizing process of fabrics sized with starch, starch derivatives, or blends of starch with other sizing chemicals. Genzyme HTAA has no negative effect on the textile fibers.
Product properties
- Activity: 7,000AU/mL (minimum)
- Apperarance: Brown liquid
- Specific gravity: 1.10~1.20
- pH: 5.5~7.0
The preferred process conditions for the product in the desizing process are:
- pH: 4.5~8.0 (operational); 5.0~7.0 (optimum)
- Temp: 30~90℃ (operational); 40~80℃ (optimum)
Packaging: 30 kg plastic canister
Storage: The product should be kept in cool, dark and dry place with temperature below 25℃ without direct sunlight. The activity will decrease less than 10% of the declared activity within 1 year when kept under 25℃ in the original sealed container. The product should be kept away from freezing.



Genzyme HTAA is a concentrated product for flexible formulation into series of desizing products with wide temperature range.
The optimum dosage of formulated products originated from Genzyme HTAA depends on the process conditions, eg sizing type, nature, and quantity; fabric type; process and equipment; water conditions etc.
Genzyme HTAA is compatible with many other processing aids, including nonionic wetting agents and dispersants, lubricants etc. Compatibility should be checked to avoid the negative impact on enzyme performance and stability.
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