Photographers' Formulary PyroCat-HD Film Developer (Liquid) - Makes 10 Liter (2.6 gal)

BH #PHPHDGD10L • MFR #01-5091
Photographers' Formulary
Photographers' Formulary PyroCat-HD Film Developer (Liquid)  - Makes 10 Liter  (2.6 gal)
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Available for store pickup in 7-14 business days
$18.95

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  • This item is noncancelable and nonreturnable.
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Photographers' Formulary PyroCat-HD Film Developer (Liquid) - Makes 10 Liter (2.6 gal)

Gerry R., B&H Photo Expert

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Photographers' Formulary 01-5091 Overview

Photographer's Formulary PyroCat HD is a high acutance developer, formulated by Sandy King as an alternative to other pyrogallol-based staining developers.

The advantages over PMK that Mr. King cites for his formula include an approximately 1/3 stop greater effective film speed, 10-15% shorter development times, more consistent staining action, lower toxicity, and no streaking or mottling with reduced agitation.

Catechol (pyrocatechin) has a high vapor pressure and it is a phenol. The high vapor pressure means that solid catechol evaporates readily. When you open a bottle containing solid catechol, you can smell it. Always store solid catechol in a tightly capped glass container. When mixing a solution containing catechol, work in a ventilated area. When catechol is in solution, its high vapor pressure is not a problem.

UPC: 675152150912

Photographers' Formulary 01-5091 Specs

Chemistry TypeFilm Developer
Powder/LiquidLiquid
Packaging Info
Package Weight0.7 lb
Box Dimensions (LxWxH)5.8 x 4.9 x 2.7"
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