Harvard Chemical Research, Inc.


One Shot

Non-Acid / Non Etching Grout Cleaner

SDS        TECH


One Shot is a powerful blend of ingredients that cut through dirt and soil to clean and brighten dingy grout in one easy step.  Since it is non-acid and non-etching, One Shot is safe for all natural stones including limestone, marble, travertine, granite and slate as well as ceramic, porcelain and quarry tile.


Appearance: Pale yellow powder with

low odor

pH: 11   Item# 804

Packaging: 4x7.5 lb. Jar


Concrete Cleaner

Powdered Concrete Cleaner

SDS        TECH


This is a high alkaline powder cleaner for fast and effective removal of grease, oil, dirt, tire marks, etc. from concrete. Areas of use include garages, gas stations, food processing plants, restaurants, and warehouses.


Appearance: Yellow powder w/pine odor

pH: 12-13   Item# 6541

Packaging: 50 lb. pail & 100 lb. Keg




Marble Sealer

SDS        TECH


An extremely durable, long lasting sealer/finish designed especially for polished marble, granite, terrazzo, quarry tile, brick, stone, and all other non-resilient floors. Levels and adheres on all the above mentioned surfaces, leaving a durable high quality protective coating that lasts longer than most floor finishes found today.


Appearance: White liquid with low odor

pH: 8 to 9   Item# 1055

Packaging: 4x1G, 5G, & 55G


Safety Acid Cleaner

Phosphoric Acid Cleaner

SDS        TECH


Safety Acid Cleaner is a fast acting, easy to use phosphoric acid-base cleaner for pre-cast concrete, concrete, masonry, grout, tile and natural stone surfaces. This product will remove cement grout haze and mortar residue, joint cement, lime & hard water deposits, efflorescence, rust and other dirt and grime. Safety Acid Cleaner is suitable for interior and exterior use. Due to the nature of phosphoric acid, Safety Acid Cleaner is a milder alternative to other acid-base cleaners for concrete, tile, grout and natural stone surfaces.


Appearance: Clear liquid with acidic odor

pH: 1 to 2   Item# 1480

Packaging: 4x1G, 5G, & 55G


Sheen C-40

Acrylic Concrete Sealer

SDS        TECH


Sheen C-40 concrete sealer is a non-yellowing acrylic polymer blend sealer formulated for use on stamped concrete, decorative concrete, brick, stone and other masonry surfaces. Designed for use on both interior and exterior concrete, Sheen C-40 is suitable for use on a variety of surfaces where a durable gloss finish is desired including concrete patios, driveways, sidewalks and even garage floors.


Appearance: White liquid with low odor

pH: 8 to 9 solution   Item# K1070

Packaging: 5G, & 55G


Stone Impregnator 407

Penetrating Sealer for Porous Stone

SDS        TECH


Stone Impregnator 407 is an aqueous fluorochemical dispersion that does not contain any silicone or wax components. This product is a water based, penetrating, low VOC sealer that provides an invisible, durable barrier against water, oil and stains on all porous masonry surfaces. This sealer has a natural look that does not affect the appearance of the substrate.


Appearance: Clear liquid with low odor

pH: 8.5 to 9.5    Item# 8740

Packaging: 4x1G, 5G & 55G


Tile and Grout Restorer

Acidic Restorative Tile and Grout Cleaner

SDS        TECH


Tile and Grout Restorer works on the acid side of the pH scale removing soils and stains on grout, tile, and stone that have been neglected for years. This product actually removes a very thin layer of grout, taking with it all hard water deposits, soap scum and efflorescence. It renews the appearance of ceramic tile, porcelain tile, grout, granite, slate, and sandstone.


Appearance: Light blue liquid w/low odor

pH: 1 to 2       Item# 1131

Packaging: 4x1G, 5G, & 55G


Tile Whiz

Alkaline Tile & Grout  Cleaner

SDS        TECH


A heavy duty, high alkaline, tile and grout cleaner and degreaser concentrate.  This water-based cleaner is extremely effective in removing grease, oil and soils from glazed and unglazed Ceramic tile, Saltillo and Quarry tile as well as Concrete, Brick, and Porcelain.


Appearance: Clear liquid with sweet odor

pH: 12 to 13    Item# 1970

Packaging: 4x1G, 5G, & 55G