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CELLBORN SC(ENDOTHERMIC BLOWING AGENT)

CELLBORN SC is recommended for extrusion foam and injection foam of thermoplastic resins.
Unlike exothermic blowing agent represented by ADCA, CELLBORN SC is endothermic blowing agent, enabling stable production with micro cells due to generation of carbon dioxide as generation gas.
CELLBORN SC is odorless and white, approved by and registered in FDA/POPL regulations being broadly used in the packaging material field safely.
CELLBORN SC is also excellent in the function as nucleating agent in extrusion foaming, being widely used in the packaging material field.

MAIN COMPONENT

CHEMICAL NAME SODIUM HYDROGENBICARBONATE(MAJOR COMPONENT)
CHEMICAL FORMULA NaHCO3
CAS NO. 144-55-8


GRADES AND SPECIFICATIONS

TRADE NAME APPEARANCE DECOMPOSITION TEMPERATURE(℃) ml/g(S.T.P.) GAS GENERATION pH
160℃x20min 160℃x20min
CELLBORN SC-K WHITE FINE POWDER 150 95 125 6
CELLBORN SC-850 150 95 125 6
CELLBORN SC-857 150 65 90 6
CELLBORN SC-P 150 140 160 7
CELLBORN SC-855 150 145 160 8
FE-507 150 145 160 8
typical value

DIRECTION FOR USE

(1) PP EXTRUSION EXTRUDER30mm
  BLOWING AGENT: CELLBORN SC-P  DOSAGE:1.5phr  EXPANSION RATIO:2.6
THICKNESS OF PRODUCT:4.0mm
  MOLDING CONDITION
C1 C2 C3 D  
150 180 170 155   (℃)

(2) PVC PROFILE EXTRUSION EXTRUDER65mm
  BLOWING AGENT: CELLBORN SC-K DOSAGE:0.5phr EXPANSION RATIO:2.0
THICKNESS OF PRODUCT:20mm
  MOLDING CONDITION
C1 C2 C3 D  
170 180 180 180   (℃)

(3) PP INJECTION INJECTION MOLDING MACHINE(45TON)
  BLOWING AGENT: CELLBORN SC-K DOSAGE:1.0phr EXPANSION RATIO:1.5
THICKNESS OF PRODUCT:6.0mm
  MOLDING CONDITION
C1 C2 C3 D  
180 190 190 190   (℃)

(4) LDPE EXTRUSION(COPPER PIPE COATING) EXTRUDER50mm and65 mm
  VOLATILE BLOWING AGENT NUCLEATING AGENT: CELLBORN SC-K DOSAGE:0.2phr
EXPANSION RATIO:20 THICKNESS OF PRODUCT :10.0mm
  MOLDING CONDITION EXTRUDER50mm and65mm
C1 C2 C3 D C1 C2 C3 D  
150 180 200 200   150 105 105 105   (℃)


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EIWA CHEMICAL IND. CO.,LTD.
Daido Seimei Co. Kyoto Building 9F
Sanjo-sagaru karasuma-dori,Nakagyo-ku,Kyoto-city
FAX:81-75-256-5131 TEL:81-75-256-7150
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