• Textile Desizing High Temperature Amylase Enzyme High Concentration
  • Textile Desizing High Temperature Amylase Enzyme High Concentration
Textile Desizing High Temperature Amylase Enzyme High Concentration

Textile Desizing High Temperature Amylase Enzyme High Concentration

Product Details:

Place of Origin: Jiangsu China
Brand Name: Boli
Certification: Halal, Kosher ISO9001, ISO14001, ISO22000
Model Number: Heat-stable Alpha-Amylase TH-18

Payment & Shipping Terms:

Minimum Order Quantity: 400kg
Price: Negotiable
Packaging Details: 25kg, 30kg HDPE drums, 1125 IBC totes for liquid
Delivery Time: 15-20 days
Payment Terms: T/T, L/C , D/P
Supply Ability: 1000MT to 1500MT Per Year
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Detail Information

Grade: Technical Grade Appearance: Sepia Brown Liquid
Application: Heat-stable Alpha-Amylase For Textile Desizing Declared Enzyme: Alpha-Amylase
Advantanges: High Concentration Enables Less Dosage Rate, Shorter Desizing Time, Makes Texture Feel Soft, Full And Smooth With Lustrous Colors, Enhances Capillary Tube Effect Of Fabrics Country Of Origin: China
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Product Description

High-Temperature Alpha Amylase

Enzyme for Textile Desizing High Concentration

No damages to fabrics,

Makes texture soft, full, smooth and bright,

High concentration, can be used after dilution



Heat-stable Alpha-Amylase TH-18 is produced from strains of Bacillus licheniformis through submerged fermentation, extraction and refining process. It is an endoamylase that can efficiently decrease viscosity of gelatinous starch solutions by randomly hydrolyzing starch, glycogen and its degradation products within the alpha-D-1 glycosidic bonds and produces soluble dextrins and oligosaccharides under high temperature and low pH conditions.
TH-18 has an excellent heat resistance and a wide pH range. It is suitable for desizing of textile fabrics such as cotton, silk, polyvinyl alcohol fibers, rayon fibers, blended fabrics, dyed poplin, etc.
As a high concentration product, TH-18 can be used after dilution.



Declared Enzyme: Alpha-Amylase
Systematic Name: EC, 1,4-alpha-D-glucan glucanohydrolase
Activity: 180,000 U/ml (minimum)
Appearance: Sepia brown liquid
Product pH: 5.8 to 6.8
Specific Gravity: 1.10 to 1.25 g/ml


TH-18 is active over a wide pH range, depending on the application conditions. The optimal pH is 5.4 to 6.4. (See Figure 1)

Textile Desizing High Temperature Amylase Enzyme High Concentration 0



Optimum temperature of TH-18 for interval liquefaction is above 77°C. It liquefies starch substrates promptly at 83 to 90°C and demonstrates exceptional thermal stability at 100 °C.

The exact temperature optimum depends on actual processing conditions, such as pH, concentration of substrate and time. (See Figure 2)

Textile Desizing High Temperature Amylase Enzyme High Concentration 1

Copper, titanium, and cobalt ions are moderate inhibitors for TH-18, whereas aluminum, lead and zinc ions act as strong inhibitors.


Use of TH-18 can ensure the following benefits for textiles de-sizing:
 Enable desizing and colour-fixing at the same bath, shorten process flow and improve
 Enhances capillary tube effect of fabrics
 Improves working conditions for operators
 Enables less dosage, reduces processing costs

Recommended industrial operating conditions are at temperatures from 80 to 90 ° C and pH from 5.6 to 6.4. Usually, adjust the pH first, then add this product. Due to the structure of fabrics, the amount of sizing, the desizing process and the desizing equipment are different, the exact dosage rate of this product shall be determined after a series of small desizing tests prior to routine use. Generally, the recommended concentration of the enzyme solution is 0.05 to 1 g/L.

 Standard packaging is 25kg, 30kg HDPE drums or 1125 kg IBC totes.
 Typical shelf-life is six months if this product is stored below 25°C in its original packaging, sealed and unopened, protected from sunlight. Its shelf-life will be eighteen months if this product is stored properly at 0 ∼10°C. This product has been formulated for optimal stability.
Prolonged storage and/or adverse conditions such as higher temperature may lead to a higher dosage requirement, therefore should be avoided.


Inhalation of enzyme dust and mists should be avoided. In case of contact with the skin or eyes, promptly rinse with water for at least 15 minutes. For detailed handling information, please refer to the Safety Data Sheet.


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