Special Pitch Coal Tar Epoxy Pitch

Special Pitch No. 3 , No.4 and No. 5 / Special Coal Tar

For paints and protective marine & surface coatings equivalent to Koppers Grades like Carbomod etc

Special Pitch No. 3 – PN3 :

Recommenced Uses: In formulations with resins, plastics, elastomers, urethane and epoxy systems. A refined coal tar pitch cutback is produced from selected high temperature coke oven tars.

Technical Data

Specific Gravity (@ 77ºF):    1.18 – 1.26
Water %, by Volume:             0.25 Maximum
Float Test (@ 50ºC):             65 – 95 sec.
% Ash:                                     0.25 Maximum
Total Distillation by Mass %:
0º To 170ºC: 0 – 1%
170ºC To 270ºC: 5 – 12%
270ºC To 300ºC: 5 – 10%
Carbon Disulfide Insoluble, % by Weight:  8 – 14%
Flash Point – Pensky Martens:    230ºF Minimum
Solvent Used: None

Special Pitch No.4 – PN4 :

Recommenced Uses: In formulations with resins, plastics, elastomers, polyurethane and epoxy systems – sealants, coatings etc.

Technical Data

Specific Gravity (@ 25 oC): 1.18 – 1.22
Viscosity, CPS :           2000 +/- 500
Water %, by Volume:   0.25% Maximum
Float Test (@ 50 oC): 65 – 95 sec.
Ash:                              0.23% Maximum
Insoluble in CS2, by Mass %:  7 – 13%
Total Distillate by Mass %:
0 To 170 o C : 10 – 12%
170 To 270 o C : 4 – 10%
270 To 300 o C : 4 – 10%
Flash Point – Pensky Martens: 27 oC Minimum
Solvent Used: Xylene

Special Pitch No.5 – PN5 :

Technical Data

Specific Gravity(@ 25oC): 1.16-1.20
Viscosity,CPS :                    500 +/- 200
Water %,by Volume:            0.25% Maximum
Float Test(@ 50 oC):          65-95 sec.
% Ash:                                  0.21% Maximum
Insoluble in CS2,by Mass %: 6-12%
Total Distillate by Mass %:
0 To 170 oC 16 – 18%
170 To 270 oC 4 – 10%
270 To 300 oC 4 – 10%
Flash Point – Pensky Martens: 27 oC Minimum
Solvent Used: Xylene

Special Tar PT5000 :
Recommended Uses: In Paint Formulations with Resins, Plastics, Elastomers, Urethanes, and Epoxy Systems. Also Used in Epoxy / Coal Tar Coating equivalent to Koppers Carbomod AN

Technical Data

Specific Gravity (@77oF): 1.14-1.24
Water %, by Volume: 0.5 Maximum
% Ash:                         0.25 Maximum
Carbon Disulfide Insoluble, % by Weight 20% Maximum
Flash Point-Pensky Martin 180 oF

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