Surface Gel Tek

A revised ASTM International standard covers gelled acid, patented by Surface Gel Tek, for the first time. The standard was revised to acknowledge that hydrochloric acid is now available in both liquid and gelled form.

ASTM International Committee D33 has approved the revision to standard D4260, which has been retitled “Practice for Liquid and Gelled Acid Etching of Concrete.” The use of gelled acid is addressed in Method B of the new standard. It was not mentioned in previous versions.

ASTM standards are available at www.astm.org or by calling (610) 832-9585. For more information on gelled acid, contact Tamryn Doolan at (480) 970-4580.

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This Issue

Concrete Decor, Vol. 5, No. 4
August/September 2005

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Other articles in this issue:
Concrete Countertop Molds
Removing Stains from Concrete
Concrete Densifiers
Concrete Art in Public Places
Concrete Countertop Contest Winners
Customer Service
The Concrete Colorist
New Concrete Technology
Bomanite Corporation
Concrete Tools
Project Profile
Product News
Final Pour