Jiangsu Boli Bioproducts Co., Ltd.
                                                                                                           
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Alkaline Protease Enzyme Powder For Leather And Silk , 250000 U / g Proteolitic Enzymes

Price Negotiable
Price: Negotiable
MOQ: 400kg
Delivery Time: 15-20 days
Brand: Boli
Product Description

Alkaline Protease (Powder) for Leather & Silk Processing

 

 

 

Declared Enzyme: Protease
Systematic Name: EC 3.4.21.62
Appearance: Light brown powder
Activity: 250,000 U/g(Minimum)
Moisture: 8% (Maximum)

 

PRODUCT DESCRIPTION

  • Alkaline protease JP-25 is a powder form preparation produced from Bacillus licheniformis through submerged fermentation, extraction and refining process.
  • It can efficiently catalyze the hydrolysis of proteins under alkaline conditions (pH 9-12). It is suitable for leather hair removal and silk degumming.

 

  • Use of JP-25 in leather processing can  simplify the process of leather hair removal, shorten processing time, improve quality of the finished products, increase leather yield, also suitable for pretreatment in silk degumming.
  • Use of JP-25 in silk degumming enables the following benefits: effectively removal of silk sericin without damage to the fibroin,enable silk fleeciness and lustrous, soft and smooth surface

 

APPLICATION GUIDELINES

 

Leather Processing

 

Process

Dosage Rate

(%)

Temperature

(℃)

pH

Time

(hours)

Soaking 0.01~0.4 20~25 9~11 12~20
Hair Removal 0.04~0.12 20~35 9~11 12~20
Softening 0.02~0.08 35~38 9~11 3~6

Note: The above recommended dosage is based on raw material mass for leather processing.

 

Silk Degumming

 

Process

Dosage Rate

(%)

Temperature

(℃)

pH

Time

(hours)

Degumming

(after pre-treatment)

0.3~1 40~50 9~11 30~60

Note:  The above recommended dosage rate is based on the mass of raw material for silk degumming.

 

 

EFFECT OF PH & TEMPERATURE

 

pH Temperature
  • Effective pH range: 9 ~ 12
  • Optimal pH range:  10~ 11
  • Effective temperature range:  20 ~ 65°C
  • Optimal temperature range : 40 ~ 50°C


 

PACKAGING, STORAGE & SHELF-LIFE

  • JP-25 is packaged in 25kg cardboard drums or kraft paper bags. Customized packaging is available upon request. 
  • Typical shelf-life is six months provided it is stored below 25°C in its original packaging, sealed and unopened, protected from the sunlight.
  • Its shelf-life will be eighteen months if it is stored properly at 0~10°C.
  • Prolonged storage and/or adverse conditions such as higher temperatures may lead to higher dosage requirement, thus should be avoided.

Get in Touch

Have questions about our products or want to discuss a custom order? Our team is ready to help you.

Company Jiangsu Boli Bioproducts Co., Ltd.
Location 93 Yangzhou Road, Jiangyan Economic Development Zone Taizhou City, Jiangsu, PR China
Contact Person Jane Feng

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