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  • Cyclic Phosphate Flame Retardant - China

    price: contact company for price

    Chemical name Cyclic Phosphate Flame retardant

    Chemical structure


    Appearance: Clear highly viscous liquid

    Phosphorus: ≥ 20.5%

    Acid value: ≤ 10( mg KOH/ g)

    Viscosity( 25℃ ) : ≤ 150000 mpa•s

    DMMP: ≤ 0.5%

    TMPP: ≤ 0.5%

    Application introduction

    FR- CU is an kind of efficient cyclic phosphonate flame retardant. It contains high phosphorus with an excellent water solubility. It could be applied in the fabric for inner vestee used in bulidings, curtainings and cars and special workwear. It is particularly suitable for the treatment of polyester fabrics , T/ C blends and PU coating to impart the fabric to have the flame- stop effect. The effect of the fabric after treatment will be long- lasting and durable to wash with wide- range application!

    Excellent Characteristics

     High heat stability and good retain of hand feel of the fabric after processing

     Low volatility and good compatibility to major polymer

     Little discoloration after treatment

     High durability to washing and good retain of color brightness.

     Non- toxicity and high safety.

    Typical application process

    1. Treatment of polyester fabric and T/ C blends

    A. Recommendatory formulation

    Flame retardant 6~15kgs

    added water, 20kgs stirred evenly

    added 20% conc. Na2HPO4 or Na2CO3 4~8kgs pH is buffered to 5.5~6.5

    or 25% conc. aqua ammonia

    added penetrating agent 0.05~0.2kgs mixed evenly

    additional water the formulation was diluted by water to 100kgs.

    B. Procedure

    1. Fabrics for treatment with flame retardant should be clean and keep wet. Starch and other slurry should be removed before processing.

    2. Fabric shall be treated by padding, dipping according to the composition , weight and construction of the fabrics.

    3. 120~ 140℃ ×60sec. , pre- drying

    4. High temperature thermo fixation process:

    PET fabric: plain fabric 195~ 205℃ ×40~ 60sec.

    knitted fabric 185~ 205℃ ×40~ 60sec.

    PA fabric: 160~ 180℃ ×40~ 60sec.

    5. Cooling, rolling up the treated fabric. To improve the hand feel, fabric can be cleaned again if necessary to remove the un- affixed flame retardant on the fabric.

    2. Coating treatment of Polyester fabric and PU fabric

    Reference Formulation details

    Formulation 1( % ) Formulation 2( % )


    Flame retardant

    HBCD ( HexaBromoCycloDodecane)



    Thickener 45- 49.5

    11- 20

    18.5- 35

    10- 30

    1- 5 45- 49.5

    1- 5

    The formulation is dried and cured in a single pass at 150℃ for 120 seconds.

    The formulation is buffered to pH 5 by using Sodium Carbonate. The added amount of soda ash is about 0.4% .

    Additional information

    1. If 1.4% w/ w flame retardant is affixed to the fabric, the fabric will have efficient result of fire- stopping. ( The above motioned information is according to our own acknowledge and experience. It is advised to make lab trail and small batch trail before formal treatment to get optimum processing condition. )

    2. If the treatment is completed, after 50 times of washing under 60℃ , there is still at least 90% flame retardant on the fabric.

    3. Considering the treatment of high temperature thermofixation processing, we think it is very important to select suitable dyestuff for polyester fabric, otherwise, discoloration or color fading may occur. .


    The above mentioned information of the formulation is for reference only. The customer should adjust according to their own products. But any problem, do not hesitate to connect with us.

    Company Contact:

    • Phone: 8618796719584

    • Address: No.148-149 WestGutian RdJiangyan Jiangsu.P.R.CHIN, taizhou, China

    • Email: Email

    Published date: July 16, 2014 -

    • Business Description: Jiangsu Randeon Chemical Co., Ltd is specialized in creating the international business partnerships in worldwide. Randeon has a superior experienced staff team committing to provide the excellent chemical products and takes the efficient business services as core mission. The main business includes chemicals and thermoplastic elastomers such as Halogen free flame retardant TPE, paint & ink resins, flame retardants, chemical & medicine intermediates, specialty materials as well as energy saving & environment friendly products.
      Randeon is full of the experience in chemical industry and especially familiar with the domestic chemicals market of China and has accumulated varieties of excellent chemicals manufacturers to cooperate closely on the strategic level. Moreover, as a sister company of the asia s biggest VC Copolymer MP Resin manufacture Jiangsu Liside Chemical Plant Co., Ltd, Randeon obtains fully support with R&D and QC abilities from Liside. Meanwhile, Randeon is the only authorized overseas marketing agent of Sinarise new matericals technology Co.,Ltd to processing the sales business of its TPEXTRA ® series TPE products in global market.

      Solemnly Randeon takes the responsibility for the complete procedure of service and always to be details oriented for customers. We are now having fast developing business operations around the world and we always adhere sincerity and morality as our business philosophy to maintain the mutually beneficial partnerships with global customers. Randeon cherishes every chance to cooperate with every customer and will be always satisfy your demands.

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