Polyester flame retardant FR-P • Qingdao Dayin
Polyester durable flame retardant finishing agent FR-P
【Brief introduction】
FR-P is a high quality polyester fabric flame retardant widely used in fire retardant processing and finishing on pure polyester fabric, quality indicators and their application results have reached the international advanced level of similar products.
【Nature】
Appearance: colorless to light yellow transparent mucus
Phosphorus content: 18.5-20.5%
Solid content: 93 ± 1%
P H value: 1.5-3.0
Water solubility: soluble in water
【Advantage】
1:Only need a little dosage can achieve the high effect of flame- retardant .
2:Have good ability of washing fastness . still can flame-retardant after 30 times of washing .
3:Have no effect on the strength and handle-feeling ,no color changing and color staining
4:This agent is non-toxic ,safety for operation .
【Application method】
1：pre treatment
Because of the bad absorption of polyester ,shouls have a de-alkali process, in this case, not only improve the wetting ability, but also remove the impurities and defects, also can prevent the other agent who will influence the effect of flame retardant.
dosage： NaOH：20－30g/l
pre treatment：30－60mins
temperature：95－100℃
2：flame retardant finishing
1）adjust the agent dosage according to the weight of fabrics
dosage：150－180g/l
10-20% NaOH, adjust PH to 6.5
2）Preparation of working liquid
Add a mount of soft water ,and then add this agent, stirring to soluble completely , Add 10-20% NaOH until the PH value up to 6.5 then stop, use water to dilute it. The preparation working liquid should be used as soon as possible ,or you will need to adjust PH value to 6.5 again .
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