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Crosslinking and curing agent DHBP for rubbers and polymers

Date：2021-12-17      Categories：Related Application Product

  Post Date: Dec 16,2021
  Expiry Date: Jun 14,2022
  Detailed Description: Cas No. :78-63-7
Quantity: 3000Metric Tons
Specs:DHBP;DHBP-50A;DHBP-50B;DHBP-40A;DHBP-40B
Price:Negotiable USD Metric Tons
Payment Method: T/T or L/C or Western Union

2,5-Bis(t-butylperoxy)-2,5-dimethylhexane

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Trade name: FARIDA DHBP
Common name:  DHBP
Chemical name: 2,5-Bis(t-butylperoxy)-2,5-dimethylhexane

Formula: C16H34O4
Chemical Structure:

 

Molecular Weight: 290

CAS NO: 78-63-7

 

Properties:

Activation energy : 36.0kcal/mol 　　

1min. Half life temp.: 192℃

Flash point: 36℃

SADT.: 80℃

Alarm temp.: 75℃

 

Application:

FARIDA DHBP is used as curing agent for silicone rubbers, polyurethane rubbers, ethylene-propylene rubbers and other kinds of rubbers, as well as crosslinking agent for polyethylene and curing agent for unsaturated polyether.

Compared with Di-tert-butyl peroxide and DCP, DHBP is less volatile and more stable. It is a very effective high temperature curing agent for vinylsiloxane rubbers with higher tensile strength and lower tensile stretch.

 

Package and Storage:     

Packed in PE drums, N.W.: 25kg.

Stored below 38℃.

Keep away from direct sunlight, strong acids, reductive agents and violent shaking during transportation or storage.
 

Specification

Product FARIDA DHBP FARIDA DHBP-50A FARIDA DHBP-50B FARIDA DHBP-40A FARIDA DHBP-40B
Appearance Yellowish liquid White powder White powder White powder White powder
Content(%) ≥92 49-51 49-51 39-41 39-41
Carrier(%) N/A SiO2(49-51) CaCO3(24-26)
SiO2(24-26)		 SiO2(59-61) CaCO3(29-31)
SiO2(29-31)
Melting Range (℃)  8 N/A N/A N/A N/A

  CAS Registry Number:

78-63-7
  Synonyms: ;2,5-Dimethyl-2,5-bis[(2-methyl-2-propanyl)peroxy]hexane;2,5-Dimethyl-2,5-di(tert-butyl peroxy)hexane;Di-tert-butyl 1,1,4,4-tetramethyltetramethylene diperoxide;
  Molecular Formula: C32H66O2
  Molecular Weight: 482.8652
  Molecular Structure: 78-63-7 2,5-Dimethyl-2,5-di(tert-butylperoxy)hexane
  Hazard Symbols:  O:Oxidizing agent;
 Xi:Irritant;
  Risk Codes: R10:;
R36/38:;
R7:;
  Safety Description: S14A:;
S26:;
S3/7:;
S36/37/39:;

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