Detailed explanation: SPF

Detailed explanation: SPF



Redness of the skin after sun exposure is medically known as “erythema”, which is a mild reaction of the skin to sun exposure. A low erythema dose is a short period of …

Detailed explanation: PA and PPD

Detailed explanation: PA and PPD



UVA is long-wave ultraviolet rays, divided into UVA-1 (360-400nm) and UVA-2 (320-360nm), accounting for about 10% to 20%. UVA exists as long as it is during the day, and can penetr…

Performance and testing methods of functional textiles

Performance and testing methods of functional textiles



Summary: This paper briefly introduces the development profile and performance of several common functional textiles, and summarizes domestic testing methods for the special functi…

Is the higher the SPF (Sun Protection Factor) number, the better?

Is the higher the SPF (Sun Protection Factor) number, the better?



Sun Protection Factor, abbreviated as SPF, refers to the ratio of the energy required to produce small erythema on skin protected by sunscreen to the energy required to produce the…

Why do we need to add glacial acetic acid for disperse dye dyeing?

Why do we need to add glacial acetic acid for disperse dye dyeing?



Disperse dyes are used every day, but can you tell me at once why glacial acetic acid is added to adjust the pH value when dyeing with disperse dyes? (Nowadays, organic acids are a…

[New finishing technology] Hygienic finishing

[New finishing technology] Hygienic finishing



Sanitation Sanitation has two meanings: antibacterial (bacteria, fungi) and anti-odor. . The Tokyo Metropolitan Industrial Research Institute in Japan uses mustard to develop anti-…

Interpretation of antistatic product standards for textile products

Interpretation of antistatic product standards for textile products



According to the different use occasions of antistatic textiles, various industries also have different technical requirements. Therefore, product standards and corresponding techn…

2016 version of antibacterial standards (by country)

2016 version of antibacterial standards (by country)



ISO standards ISO 18184-2014 Textiles–Determination of antiviral activity of textile products ISO 13629-2-2014 Textile Antifungal Performance Test Standard Part 2 Plate Metho…

2016 version of antibacterial standards (by product)

2016 version of antibacterial standards (by product)



Antibacterial materials ASTM E2149-2013a Determining the antimicrobial behavior of steady-state antimicrobials under dynamic contact conditions GB/T 21510-2008 Testing method for a…

fabric static electricity

fabric static electricity



(1) What is static electricity? All substances are directly composed of atoms. Usually atoms have the same electrons (negative charge) and protons (positive charge), so normally th…


 
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