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Excellent Softening Properties in Alkali Resistant Softener Flake Kr-521
US$1.50-2.50
1,000 kg
Sample price:US$2.00/piece.Request sample
Product profile
Customization
AvailableCertification
Oeko-TexEnvironmental Protection
YesModel NO.
KR-521Color
Light YellowKind
SoftenerAppearance
FlakeApplication
Dying Auxiliary, Post-Processing AuxiliaryTransport Package
Woven BagsSpecification
Softener FlakeTrademark
Qingdao KerunOrigin
Qing Dao, ChinaHS Code
380991Production Capacity
10000000kg/YearKey features
Excellent Alkali Resistance: Exhibits superior salt tolerance and alkali resistance for stable performance.
Superior Softening Effect: Provides fabrics with a soft, smooth, and full handled feeling.
Low Yellowing Properties: Minimally affects fabric whiteness and color shade during processing.
Oeko-Tex Certified: Meets strict environmental and safety standards for textile applications.
Flexible Dissolving Methods: Supports both gradual heating and direct hot water dissolution methods.
Versatile Application Methods: Suitable for padding and dipping processes with adjustable parameters.
Long Storage Life: Valid for 12 months when stored in a cool, shady place.
OEM and ODM Services: Customization services available for branding and specific requirements.
Company profile

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedNearest Port: Qingdao PortAverage Response Time: ≤2.04h CertifiedTerms of Payment: LC, T/T, D/P CertifiedInternational Commercial Terms(Incoterms): FOB, CIF, CFR
AI-Powered supplier vetting
SummaryQingdao Kerun Bio-Technology Co., Ltd. is a China-based limited company operating in chemicals and manufacturing-related activities, with textile, boiler, and leather auxiliary products including printing thickener, silicone softener, softener flake, stiffening agent, and fatliquor. Established in 2007, it reports 160 employees, a 15,600 m² manufacturing plant, more than 10 production lines, 12 years of R&D engineer experience, and 11–20 quality-control staff. The supplier reports ISO9001:2015, ISO14001:2015, and ISO45001:2016 certifications and exports to Africa, Southeast Asia, and the Middle East. Evidence is insufficient to assess after-sales service, customization capability, and customer cases. Financial information is limited to registered capital data, which is not reproduced here.
Supplier typeThe supplier is identified as a China-based limited company headquartered in Qingdao, Shandong, with descriptions indicating chemicals, manufacturing-related activity, and trade-company characteristics. Its product portfolio centers on textile, boiler, and leather auxiliaries.
CertificationsThe supplier reports holding ISO9001:2015, ISO14001:2015, and ISO45001:2016 certificates, covering quality, environmental, and occupational health and safety management systems. This is explicit evidence of formal management-system certification.
R&D capabilityThe supplier reports 12 years of total experience among R&D engineers and offers multiple chemical auxiliary product categories. This supports the presence of R&D capability, but the slices do not document patents, new-product development, technical achievements, or dedicated R&D facilities.
Production capacityThe supplier reports a 15,600 m² manufacturing plant, 160 employees, and more than 10 production lines, alongside products spanning textile, boiler, and leather auxiliaries. These stated facilities and operating resources provide explicit evidence of established production capability.
Product Q&A
Q:What are the dissolving methods for KR-521?
A:
It can be dissolved by gradually adding flakes to room temperature water and heating to 70-75C, or by adding directly to 60-70C water.
Q:What is the recommended dosage for the padding method?
A:
The dosage is 20-30g/L using a 10% solution at a temperature of 30-40C.
Q:How long is the shelf life of the product?
A:
The storage period is 12 months if kept in a cool, shady place.
Q:Does this softener affect fabric color?
A:
No, it minimally affects fabric whiteness and color shade while providing excellent softening.
Q:Is the product compatible with other auxiliaries?
A:
It is recommended to test first and adjust accordingly for intermiscibility with other processes.
Send Inquiry
*To:
Qingdao Kerun Bio-Technology Co., Ltd
Qingdao Kerun Bio-Technology Co., Ltd*Content:
Supplier replies will be sent to your registered email
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