Mobile Menu

(800) 828-4548
  • All Departments
    • Paint
      • Acrylic Paint
      • Oil Paint
      • Watercolor Paint
      • Materials and Mediums
      • Gesso and Primers
      • VIEW ALL PAINT CATEGORIES
    • Canvas
      • Stretched Canvas
      • Canvas Rolls
      • Wood and Hardboard Painting Panels
      • Gesso and Primers
      • Stretcher Strips and Bars
      • VIEW ALL CANVAS CATEGORIES
    • Drawing
      • Colored Pencils
      • Pencils
      • Markers
      • Pastels
      • Drafting and Architecture
      • VIEW ALL DRAWING CATEGORIES
    • Paper
      • Drawing Papers
      • Watercolor Papers
      • Printmaking Papers
      • Art and Illustration Boards
      • Pastel Papers and Boards
      • VIEW ALL PAPER CATEGORIES
    • Brushes
      • Acrylic and Oil Brushes
      • Watercolor Brushes
      • Brushes by Medium or Technique
      • Painting and Palette Knives
      • Brush Sets and Packs
      • VIEW ALL BRUSHES CATEGORIES
    • Furniture
      • Easels
      • Tables and Work Surfaces
      • Chairs
      • Storage and Organization
      • Lighting and Illumination
      • VIEW ALL FURNITURE CATEGORIES
    • Framing
      • All Frame Styles
      • Frame Sections
      • Open Back Frames
      • Matboard and Mounting Board
      • Picture Hanging Tools and Supplies
      • VIEW ALL FRAMING CATEGORIES
    • Sculpture
      • Sculpture
      • Pottery Wheels
      • Clay and Modeling Materials
      • Sculpting and Carving Materials
      • Moldmaking and Casting Materials
      • VIEW ALL SCULPTURE CATEGORIES
    • Printmaking
      • Screen Printing Inks
      • Printmaking Inks
      • Block Printing Supplies
      • Etching and Intagio
      • Lithography
      • VIEW ALL PRINTMAKING CATEGORIES
    • Crafts
      • Craft Basics
      • Adhesives and Fasteners
      • Home Décor Crafts
      • Textile and Fiber Crafts
      • Jewelry Making
      • VIEW ALL CRAFTS CATEGORIES
    • Studio
      • Drawing Tools and Accessories
      • Tabletop Organizers and Trays
      • Glues
      • Adhesive Tape
      • Scissors and Shears
      • VIEW ALL STUDIO CATEGORIES
    • Presentation
      • Portfolios and Presentation Binders
      • Projectors
      • Display and Presentation Easels
      • Display and Bulletin Boards
      • Exhibit and Display Systems
      • VIEW ALL PRESENTATION CATEGORIES
    • Books & Media
      • Subjects and Themes
      • Art Education and Instruction
      • Reproductions and Prints
      • Color Charts and Color Wheels
      • Art Manikins and Anatomical Models
      • VIEW ALL RESOURCES CATEGORIES
    • + More Supplies
      • Gifts
      • Gift Cards
      • New Products
      • Clearance
      • View All Departments
      • View All Brands
  • My Account
    • Hello, null
    • Sign In
    • Create Account
    • View Orders
    • Wish Lists
    • Sign Out
  • Find a Store
  • For Artists
    • New Products
    • Blick Connects
    • Featured Artists
    • Featured Links
    • Win with Blick
  • For Educators
    • Lesson Plans
    • Blick U
    • School Discounts
    • Teacher News
    • Educator Forum
  • Learning Resources
    • Lesson Plans
    • Project Ideas
    • Product Info
    • Artists’ Forum
    • Painting Parties
  • A-Z Index
    • A
    • B
    • C
    • D
    • E
    • F
    • G
    • H
    • I
    • J
    • K
    • L
    • M
    • N
    • O
    • P
    • Q
    • R
    • S
    • T
    • U
    • V
    • W
    • X
    • Y
    • Z
Skip to main content
  • Departments
  • Brands
  • Clearance
  • Deals
  • New
  • Find a Store
  • For Educators
  • Blick Phone (800) 828-4548
  • Live Chat
Blick Logo
search
Search
My Account icon-myaccount
  • Sign In
  • Hello, null
  • Create Account
  • View Orders
  • Wish Lists
  • Sign Out
Orders icon-locations
Blick Cart Cart
  • Paint &
    Mediums
    Top Categories
    • Acrylic Paint
    • Acrylic Painting Sets
    • Airbrushing
    • Craft and Decorative Paints
    • Encaustic Painting
    • Face and Body Painting
    • Fine Arts Paints
    • Friskets and Masks
    • Gesso and Primers
    • Gouache
    • Graphic and Commercial Arts Painting
    • Materials and Mediums
    • Oil Paint
    • Oil Painting Sets
    • Palettes and Mixing Trays
    • Pastels
    • School and Classroom Paints
    • Sign Painting
    • Spray Painting
    • Sumi Painting
    • Tempera Paint
    • Tools and Accessories
    • Watercolor Paint
    • Watercolor Painting Sets
    • VIEW ALL PAINT & MEDIUMS CATEGORIES
    Top Brands
    • Blick
    • Golden
    • Winsor & Newton
    • Utrecht
    • Liquitex
    • Gamblin
    • Holbein
    • Daniel Smith
    • Grumbacher
    • Sennelier
    • Schmincke
    • Bob Ross
    Featured Special

    SAVE

    Utrecht
    Artists'
    Watercolor

    SHOP NOW
  • Canvas &
    Surfaces
    Top Categories
    • Canvas Pads
    • Canvas Panels and Boards
    • Canvas Rolls
    • Canvas Stretching Tools
    • Cotton Canvas Rolls
    • Craft Canvas
    • Gesso and Primer
    • Hardboard Painting Panels
    • Linen Canvas Rolls
    • Mixed Media Papers and Boards
    • Painting Papers and Pads
    • Polyester Canvas Rolls
    • Stretched Canvas
    • Stretched Cotton Canvas
    • Stretched Linen Canvas
    • Stretcher Bars and Braces
    • Varnish, Gesso, and Utility Brushes
    • Watercolor Paper and Pads
    • VIEW ALL CANVAS & SURFACES CATEGORIES
    Top Brands
    • Blick
    • Utrecht
    • Best
    • Ampersand
    • Fredrix
    • American Easel
    • Masterpiece
    • Winsor & Newton
    • Artfix
    • Caravaggio
    Featured Special

    SAVE

    Blick
    Canvas

    SHOP NOW
  • Drawing &
    Illustration
    Top Categories
    • Art Manikins and Anatomical Models
    • Art Sets and Introductory Kits for Children
    • Calligraphy
    • Chalk
    • Charcoal and Graphite
    • Colored Pencils
    • Comics and Manga
    • Crayons
    • Drawing and Illustration Markers
    • Digital Art
    • Drafting and Architecture
    • Drawing Boards
    • Drawing Papers
    • Drawing Tools and Accessories
    • Fixatives
    • Inks
    • Markers
    • Pens
    • Mechanical Pencils and Accesssories
    • Paint Markers
    • Pastels
    • Pencils
    • Scratchboard Art
    • Sumi Painting
    • Watercolor Pencils
    • VIEW ALL DRAWING & ILLUSTRATION CATEGORIES
    Top Brands
    • Prismacolor
    • Copic
    • Blick
    • Faber-Castell
    • Sharpie
    • Crayola
    • Sakura
    • General's
    • Derwent
    • Staedtler
    • Tombow
    Featured Special

    SAVE

    Sennelier
    Soft Pastels

    SHOP NOW
  • Paper &
    Boards
    Top Categories
    • Acrylic Painting Papers
    • Art and Illustration Boards
    • Boards
    • Bristol Boards and Pads
    • Calligraphy Papers
    • Charcoal Papers
    • Colored and Decorative Paper
    • Construction Paper
    • Drawing and Sketch Pads
    • Drawing Papers and Surfaces
    • Films and Barrier Paper
    • Foam Board
    • Kid's and Classroom Paper
    • Mixed Media Paper and Boards
    • Newsprint Paper
    • Painting Papers and Pads
    • Paper Crafts
    • Paper Cutting Tools
    • Paper Rolls
    • Pastel Papers and Boards
    • Printmaking Paper
    • Sketchbooks
    • Tracing Paper
    • Watercolor Paper and Pads
    • VIEW ALL PAPER & BOARDS CATEGORIES
    Top Brands
    • Blick
    • Canson
    • Strathmore
    • Arches
    • Pacon
    • Fabriano
    • Clearprint
    • Bienfang
    • Stonehenge
    • Legion Papers
    • Ampersand
    Featured Special

    SAVE

    Blick
    Watercolor
    Paper

    SHOP NOW
  • Brushes &
    Painting Tools
    Top Categories
    • Acrylic Brushes
    • Bamboo and Sumi Brushes
    • Bristle Brushes
    • Brush Cleaners and Storage
    • Brush Holders and Organizers
    • Brush Sets and Packs
    • Brushes by Shape
    • Ceramic and Glazing Brushes
    • Kids' and Classroom Brushes
    • Kolinsky and Sable Brushes
    • Lettering Brushes
    • Makeup Brushes
    • Mural and Fresco Brushes
    • Natural Hair Brushes
    • Oil Brushes
    • Painting and Palette Knives
    • Painting Tools and Accessories
    • Specialty Brushes
    • Synthetic Brushes
    • Travel and Pocket Brushes
    • Varnish, Gesso, and Utility Brushes
    • Watercolor Brushes
    • VIEW ALL BRUSHES & PAINTING TOOLS CATEGORIES
    Top Brands
    • Blick
    • Princeton
    • Utrecht
    • Royal & Langnickel
    • Winsor & Newton
    • Da Vinci
    • Robert Simmons
    • Dynasty
    • Escoda
    • Silver Brush
    Featured Special

    SAVE

    Blick
    Masterstroke
    Brushes

    SHOP NOW
  • Easels &
    Furniture
    Top Categories
    • Art Horses and Bench Easels
    • Art Studio Furniture
    • Chairs and Stools
    • Classroom Furniture
    • Drafting Tables
    • Drying Racks
    • Easels
    • Home and Office Furniture
    • Kids' Easels and Furniture
    • Lamps and Lighting
    • Outdoor Studio and Plein Air
    • Projectors and Accessories
    • Storage Cabinets
    • Studio Easels
    • Tables and Work Surfaces
    • Tabletop Easels
    • Taborets
    • Vertical and Flat Files
    • VIEW ALL EASELS & FURNITURE CATEGORIES
    Top Brands
    • Blick
    • Daylight
    • Studio Designs
    • BEST
    • AWT
    • Jullian Paris
    • Hann
    • Safco
    • Mabef
    • Martin Universal
    Featured Special

    SAVE

    Blick
    French
    Easel by
    Jullian

    SHOP NOW
  • Framing &
    Matboard
    Top Categories
    • All Frame Styles
    • Clip Frames
    • Contemporary Frames
    • Cutting Mats
    • Document and Diploma Frames
    • Floater Frames
    • Formal and Traditional Frames
    • Frame Sections
    • Framing Glues and Adhesives
    • Framing Tools
    • Glazing Materials and Tools
    • Informal and Rustic Frames
    • Matboard and Mounting Board
    • Open Back Frames
    • Picture Hanging Tools and Supplies
    • Poster Frames
    • Tabletop Frames
    • Wall Frames
    • Unfinished Frames
    • VIEW ALL FRAMING & MATBOARD CATEGORIES
    Top Brands
    • Blick
    • Nielsen Bainbridge
    • Logan
    • MCS
    • Lineco
    • OOK
    • Ampersand
    • Fletcher
    • Mona Lisa
    • Wexel
    Featured Special

    SAVE

    Blick
    Chelsea
    Metal
    Gallery
    Frames

    SHOP NOW
  • Ceramics &
    Sculpture
    Top Categories
    • Air Dry Clay
    • Carving
    • Carving and Sculpting Tools
    • Carving Materials
    • Ceramic and Glazing Brushes
    • Ceramic Bisque
    • Ceramic Glazes
    • Clay and Modeling Materials
    • Clay Cutters and Trimming Tools
    • Clay Molds and Texture Tools
    • Firing Clay
    • Glass Art
    • Kilns and Firing Accessories
    • Modeling and Pottery Tools
    • Modeling Clay
    • Mold Making and Casting
    • Paper Mache
    • Polymer and Oven Bake Clay
    • Pottery Wheels and Equipment
    • Pre-Made Molds
    • Scale Model Building
    • Silicone and Rubber
    • Wire Sculpture
    • VIEW ALL CERAMICS & SCULPTURE CATEGORIES
    Top Brands
    • Blick
    • Kemper
    • Crayola
    • Van Aken
    • Amaco
    • Mayco
    • Sculpture House
    • Midwest Products
    • Sculpey
    • Activa
    Featured Special

    SAVE

    Blick
    Plaster
    Cloth

    SHOP NOW
  • Printmaking
    Top Categories
    • Block Printing
    • Block Printing Inks
    • Block Printing Presses
    • Brayers and Barens
    • Drying Racks
    • Etching and Intaglio
    • Inking Plates
    • Linoleum Cutters
    • Lithography
    • Monotype
    • Print Racks
    • Printing Blocks and Stamps
    • Printing Plates
    • Printing Presses
    • Printmaking Inks
    • Printmaking Paper
    • Printmaking Tools
    • Screen Printing Chemicals
    • Screen Printing Frames and Screens
    • Screen Printing Inks
    • Screen Printing Kits
    • Screen Printing Supplies
    • Squeegees
    • VIEW ALL PRINTMAKING CATEGORIES
    Top Brands
    • Blick
    • AWT
    • Speedball
    • Jacquard
    • Akua
    • Arches
    • Stonehenge
    • Inovart
    • Conrad
    • Union
    Featured Special

    SAVE

    Blick
    Water-Soluble
    Block Printing
    Inks

    SHOP NOW
  • Crafts
    Top Categories
    • Adhesives and Fasteners
    • Beads
    • Candlemaking
    • Collage
    • Craft Basics
    • Craft Kits
    • Cutting Tools
    • Fabric Painting and Decoration
    • Glass Art
    • Home Décor Crafts
    • Jewelry Making
    • Mask Making
    • Metal Crafts
    • Metal Enameling
    • Mosaics
    • Origami and Kirigami
    • Paper Crafts
    • Stenciling
    • Textile and Fiber Crafts
    • Wood Crafts
    • VIEW ALL CRAFTS CATEGORIES
    Top Brands
    • Blick
    • Creativity Street
    • Jacquard
    • Pebeo
    • Roylco
    • Aleene's
    • Walnut Hollow
    • Krylon
    • Marabu
    • Aitoh
    Featured Special

    SAVE

    Blick
    White
    Glue

    SHOP NOW
  • Studio &
    Office Supplies
    Top Categories
    • Adhesive Tape
    • Air Purifiers
    • Aprons and Smocks
    • Archival and Conservation Supplies
    • Art Knives and Blades
    • Cleaning Materials and Supplies
    • Cutting Mats
    • Drawing Tools and Accessories
    • Glues
    • Pencil Cases and Pouches
    • Protective Clothing and Gear
    • Scissors and Shears
    • Staplers and Staples
    • Storage Bins and Trays
    • Storage Boxes and Containers
    • Storing and Dispensing Liquids and Paints
    • Tabletop Organizers and Trays
    • Taborets
    • Totes and Carrier Bags
    • Transporting and Carrying Art Materials
    • Workspace Organizers
    • VIEW ALL STUDIO & OFFICE SUPPLIES CATEGORIES
    Top Brands
    • Blick
    • Elmer’s
    • Fiskars
    • Artbin
    • Arrow
    • Richeson
    • Martin Universal
    • Sandusky
    • Safco
    • Studio Designs
    Featured Special

    SAVE

    Blick
    Pencil Case

    SHOP NOW
  • Art Presentation &
    Display
    Top Categories
    • Art Portfolios
    • Chalkboards
    • Display and Bulletin Boards
    • Display and Presentation Easels
    • Display Cases
    • Display Pedestals
    • Display Rails
    • Easel Backs and Sign Holders
    • Exhibit and Display Systems
    • Markerboards
    • Matboard and Mounting Board
    • Outdoor Gallery
    • Portfolios and Presentation Binders
    • Presentation Binders
    • Presentation Cases
    • Print Racks
    • Project Display Boards
    • Projectors
    • Shrink Wrapping
    • VIEW ALL ART PRESENTATION & DISPLAY CATEGORIES
    Top Brands
    • Blick
    • Star Products
    • Itoya
    • Walker System
    • Elmer's
    • Crescent
    • Prat
    • Artograph
    • Ghent
    • Pina Zangaro
    Featured Special

    SAVE

    Blick
    Studio
    Series
    Softside
    Portfolio

    SHOP NOW
  • Books &
    Media
    Top Categories
    • Airbrushing and Commercial Graphics
    • Art Appreciation
    • Art Education and Instruction
    • Art History
    • Art Manikins and Anatomical Models
    • Children's Books
    • Coloring Books
    • Color Charts and Color Wheels
    • Cosplay Books
    • Crafts and Decorative Arts Books
    • Drawing and Illustration
    • Education and Instruction Books
    • Mixed-Media and Collage
    • Painting Techniques and Materials
    • Printmaking Books
    • Reproductions and Prints
    • Sculpture, Modeling, and Ceramics
    • Subjects and Themes
    • VIEW ALL BOOKS & MEDIA CATEGORIES
    Top Brands
    • Crystal Productions
    • Walter Foster
    • F&W Publications/Northlight
    • Phaidon
    • Taschen
    • Peguin Random House
    Featured Special

    SAVE

    Utrecht
    Color Wheel
    Guide

    SHOP NOW
+ More Supplies
  • Easels & Furniture
  • Framing &
    Matboard
  • Ceramics &
    Sculpture
  • Printmaking
  • Crafts
  • Studio &
    Office Supplies
  • Art Presentation &
    Display
  • Books &
    Media

  • 15% Off

    Orders of $79 or More*

    Use Code: CETC *Details

  • Free Shipping

    On Orders of $35 or More**

    Use Code: CETC **Details

Use Code: CETC *Exclusions apply
**After discounts taken

Today's Deal

  • Free Shipping

    On Orders of $45 or More**

    **Details

**After discounts taken

Browse more:

  • Airbrush Additives and Mediums
    • ·
  • Airbrushing
    • ·
  • Grex
    • ·
  • Grex Private Stock Airbrush Base Modifiers
    • ·
  • Graphic and Commercial Arts Painting
    • ·
  • Materials and Mediums
    • ·
  • Painting

« See more Grex Private Stock Airbrush Base Modifiers

   Description Photos

Grex Private Stock Airbrush Base Modifiers are made with the same exclusive, cutting-edge technology that sets Grex Private Stock Airbrush Colors apart. Use them to adjust and customize the performance of Private Stock colors for a virtually infinite variety of effects.

Extend-Air Base Modifier —

This is a hybridized acrylic base used for extending color to infinite transparency without loss of viscosity.
Extend-Air Base Modifier
Extend-Air Base Modifier
 (enlarge)
Extend-Air Base Modifier
Extend-Air Base Modifier

This color contains the following pigments:


Purchase Item

off List!
loading...
Loading products...

Add Items to My List...

loading...
Don't see your lists here? Log in and select one of your saved lists
Want to manage your lists? Manage my lists now
Tell me more about lists...
Saving an item or moving it to a list does not guarantee price or availability.

Add Items to My Cart...

loading...

Your cart is currently empty.

Your cart currently contains N item.

Subtotal:$00.00

Ready to check out?Go to my cart now (selected item(s) will not be added)
Tell me more about placing orders...
Prices, promotions, and availability may vary by store, catalog, and online.

® Grex is a registered trademark.

Connect With Us

  • Discover Card
  • Visa Card
  • Mastercard
  • American Express
  • Amazon Pay
  • Paypal
  • Gift Cards
  • Checks
icon-phone (800) 828-4548

My Account

  • My Account
  • My Orders
  • My Lists

Customer Service

  • General Help
  • Request A Catalog
  • Take Our Survey
  • Pricing Policy/FAQs
  • Shipping Information
  • On-Account Ordering
  • Sales Tax
  • Live Chat

Product Information

  • General Help
  • Videos
  • Product Reviews
  • Paint Swatches
  • Product Icon Key
  • Being Green at Blick
  • Health & Safety

Quick Links

  • Find A Store
  • Gift Cards
  • Join Our Email List
  • About Blick
  • Careers
  • Affiliate Program
  • Link To Us
  • Security & Privacy
  • CA Privacy Rights
  • Terms of Use
  • Accessibility
Dick Blick Art Materials - P.O. Box 1267 Galesburg, IL 61402-1267
  • Toll Free Phone (800) 828-4548
  • International Phone +1-309-343-6181 Ext. 5402
  • Fax (800) 621-8293
Under Review by Accessible360

Dick Blick Art Materials®, Blick®, Blick Studio®, And Artists Pick Blick® Are Registered Trademarks Of Dick Blick Holdings Inc. © Copyright 1999-2019 Dick Blick Holdings Inc. All Rights Reserved.