荧光增白剂

产品名称：Optical brightener BYB,4BK, BMB

[Ingredients]  Stilbene

[Properties]   

Appearance：Slightgray-yellowish powder

Ion：Anionic

PHvalue：7.0～9.0

[Characteristics]

Can dissolved in the hot water.

Highwhiteness increasing power.

Excellent washing fastness.

Minimum yellowing after high temperature drying.

[Application]

Suitablefor brightening cotton or nylon fabric with exhaust dyeing process under room temperature, has powerfulstrength of whiteness increasing, can achieve extra high whiteness.

 [Method of use]

Dosage:4BK:0.25 ~ 0.55%(o.w.f.) 

Procedure:fabric :water 1:10—20

           90—100℃ for 30—40 minutes

 [Transport,storage and packing]

25kgs in one cardboard boxes.

Theproduct is non-hazardous,chemical properties stability,be used in any mode oftransport.

Atroom temperature,storage for one year.

[Important hint]

The above information andthe conclusion obtained is based on our current knowledge and experience,usersshould be according to the practical application of different conditions andoccasions to determine the optimal dosage and process.