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Antioxidants
ANTIOXIDANT DSTDP
Chemical name:

Distearyl thiodipropionate  【MSDS】

Equivalent:

Irganox PS802 (Ciba SC) / Cyanox TDP (Cytec)/ Lowinox STDP (Great Lakes)

Structural formula:
Molecular formula: C42H82O4s
Molecular weight: 683.18
CAS NO.: 693-36-7
Physical properties:

Appearance: White crystal powder

Melting range: 63DC-67DC

Flash point: Not available

Specific gravity (g/ml@20DC): 1.027

Solubility@20DC(g/100g solvent)

Water : Insoluble Toluene : Soluble
Chloroform : Soluble MEK : Soluble
Alcohol : Insoluble Hexane : Soluble
Specifications:

Appearance

: White crystal powder

Melting point

: 63℃~67℃

Ash

: 0.05% max

Volatile

: 0.5% max

Acid value

: 0.05mgKOH/g max

Applications:

DSTDP is a thioester auxiliary antioxidant with good performance and with higher antioxidant effect than DLTDP. It is of low volatilization, low heat loss in processing, non-polluting and non-discoloring. It has good synergistic of antioxidant 1010, 1076.
DSTDP IS widely used for PE , PP , PA , ABS resin, etc. The dosage is recommended to be 0.1%~1.0%.

Packing:

25kg net carton

 
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