Not all Concrete Sealers are safe to use outdoors, exposed to the elements.  Here is a list of sealers that are designated to work for outdoor concrete coatings.  Outdoor concrete countertops such as Outdoor Kitchens/BBQ Areas, Driveways, Pool Decks, Patios, Sidewalks, and such.
Concrete Sealer, Acrylic SuperSeal 2000
Concrete Sealer, Solvent Based Acrylic - SuperSeal 2000 From $39.09
Concrete Silane Siloxane Sealer - TK Salt Protector Plus WB Residential Grade
Concrete Silane Siloxane Sealer - TK Salt Protector Plus WB Residential Grade From $54.09
Concrete Silane Siloxane Sealer - TK Salt Protector Plus WB Commercial Grade
Concrete Silane Siloxane Sealer - TK Salt Protector Plus WB Commercial Grade From $54.09
Concrete Countertop Sealer - Water Based Hybrid Polyurethane, Surecrete XS-327
Concrete Countertop Sealer - Water Based Hybrid Polyurethane, Surecrete XS-327 From $75.09
Concrete Countertop Sealer - Solvent Based High Gloss, Surecrete PC12
Concrete Countertop Sealer - Solvent Based High Gloss, Surecrete PC12 $79.09
Polyurethane Solvent Based Sealer, Pigmentable, Surecrete ColorTec DK400, Gloss
Polyurethane Solvent Based Sealer, Pigmentable, Surecrete ColorTec DK400, Gloss From $119.09
SureCrete Polyurethane Water Based Sealer, Pigmentable ColorTec DK400 WB, Satin
SureCrete Polyurethane Water Based Sealer, Pigmentable ColorTec DK400 WB, Satin From $129.09
SureCrete Polyurethane Water Based Sealer, Pigmentable ColorTec DK400 WB, Gloss
SureCrete Polyurethane Water Based Sealer, Pigmentable ColorTec DK400 WB, Gloss From $129.09
Polyaspartic Clear Gloss Super Hard Floor Coating, Surecrete DK-120 / DK-180
Polyaspartic Clear Gloss Super Hard Floor Coating, Surecrete DK-120 / DK-180 From $134.09
Concrete Sealer, Acrylic GemKote
Concrete Sealer, Solvent Based Acrylic - GemKote - Low VOC (for California) From $54.09
Concrete Colored Sealer, Surecrete COLORTEC Solvent Based Pigmented Acrylic
Concrete Colored Sealer, Surecrete COLORTEC Solvent Based Pigmented Acrylic From $57.09
Concrete Colored Sealer, Surecrete COLORTEC AcrylicWB Water Based Pigmented Acrylic
Concrete Colored Sealer, Surecrete COLORTEC AcrylicWB Water Based Pigmented Acrylic From $56.09
Concrete Sealer, Acrylic SuperSeal Water-Based
Concrete Sealer, Acrylic SuperSeal Water-Based From $44.09
Concrete Sealer Water Based Acrylic Super WB from SureCrete
Concrete Sealer Water Based Acrylic Super WB from SureCrete From $49.09
EAP Rocktop CT Concrete Countertop Sealer
Rocktop CT Concrete Countertop Sealer From $159.09
Amperseal Concrete Sealer
Amperseal Concrete Sealer From $49.09
Xylexin Marble Granite Stone and Concrete Sealer Coating
Xylexin Marble Granite Stone and Concrete Sealer Coating From $149.09
Nano 1000 Concrete and Stone Sealer
Nano 1000 Concrete and Stone Sealer From $74.09
Tile and Grout Sealer, Wet Look Finish
Tile and Grout Sealer, TILE ARMOR - Matte Wet Look Finish From $37.09
Tile and Grout Sealer, Natural Finish
Tile and Grout Sealer Water Based, Natural Finish No Sheen From $39.09
Masonry Sealer, Dri-Look
Masonry Sealer, Dri-Look From $32.09
Concrete Coatings Anti Slip Grit Pack (Treats 5 Gallons)
Concrete Coatings Anti Slip Grit Pack (Treats 5 Gallons) $25.09
Surecrete SureGrip Additive Anti Slip Grit for Sealer and Coatings
Surecrete SureGrip Additive Anti Slip Grit for Sealer and Coatings From $26.09
Non Slip Additive, Sharkgrip Anti Skid
Non Slip Additive, Sharkgrip Anti Skid $27.09