Primers and Ancillary
Vetobond PB433

Versatile resin adhesive, cement modifier, bonding agent & sealer

Uses
As a universal versatile general adhesive
As a primer on bituminous material for painting with oil based paints
As a plaster bonding aid for tile and granolithic concrete toppings
As a dust proofer for cementitious surfaces
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Technical Information
Product Description

Vetobond PB433 is a PVA based bonding agent and cement admixture, non-toxic, non-flammable liquid of medium viscosity which dries to a transparent film sealer and cement modifier that is designed to be used as a low gauging liquid for cementitious systems. It is used for internal applications, Vetobond PB433 is applied directly from the bottle or pail to the concrete substrate by brush, roller or spray.

Advantages
  • Versatile with applications in a large number of building trades
  • Environmentally friendly water-based odorless and non-flammable
  • Suitable for use over bituminous materials
  • Easy to apply by brush, roller or spray
  • Excellent bond to most construction materials
  • Cost effective, suitable for use in MENA region conditions
Packaging & Coverage

Vetobond PB433 supplied in 20 Liter Pails & 200 Liter Drums

Usage Vetobond PB433 Water Approx. m2
 Sealer Coat 1 10 50
  1 5 25
Primer Coat 1 1 15
Primer in conjuction with mortar 1 1 3
  1 3 3

Note: These figures are based on typical substrates. Actual coverage may vary according to porosity.

 

Shelf Life & Storage

Vetobond PB433 has a shelf life of 12 months when stored in its sealed original containers below 35ºC.

Application Information
Instructions for use

General Applications

Vetobond PB433 has the following general areas of application:
-Cement modifier; enhances the adhesion of cement-based products to concrete and other masonry products
-As a primer for gypsum boards and plasters receiving paints

Sealing porous surfaces

Porous surfaces should be sealed with a solution of 1 part Vetobond PB433 without dilution. If the surface is less absorbent then dilution of up to 1 part PB433 to 10 part clean water is recommended. Site trials is highly recommended before dilution.
Breeze, foam, slag and other lightweight building blocks are exceptionally absorbent and may require wetting down before sealing.

Other Application

1. As a plaster bonding agent: For Gypsum, Lightweight gypsum and Anhydrous plasters seal as required and prime with a solution of 1 part Vetobond PB433 to 1 part water and allow to become tacky. Then plaster straight onto the tacky Vetobond PB433 in the normal way.

2. For heavier rendering and cementitious toppings:
Seal and prime as above and then prepare a key coat by mixing 1 part ordinary Portland cement, 1 part clean washed sharp sand, gauged to a stiff consistency with 1 part Vetobond PB433 to 3 parts clean water. Apply this to the tacky priming coat to an average thickness of 6 mm (¼ inch) and stipple with a stiff brush or otherwise roughen surface to provide a good mechanical key. Allow to harden and dry thoroughly. Test for adhesion before applying rendering.

3. Ceramic, concrete, quarry, clay and terrazzo tiles:
Seal with a solution of 1 part Vetobond PB433 to 5 parts water. Brush well into the surface and allow to dry. Before bedding tiles in sand and cement, give the floor and base of tiles a further coat of 3 parts Vetobond PB433 to 1 part water. Whilst this is still wet or tacky, apply sand and cement bedding to base and bed the tiles.

4. Polystyrene tiles, Plaster board and Acoustic board:
Prepare and seal the surfaces are required. Then using a suitable fi ller such as plaster, cement, fine sand or sawdust, make a paste with a solution of 1 part Vetobond PB433 to 1 part water. Apply this mixture as an adhesive coat to the tiles and surface to be bonded.

Surface Preparation

Surface must be sound and thoroughly cleaned before Vetobond PB433 is applied. All loose particles, old mortar, laitence, dirt, paint etc., must be removed by brushing with a stiff /wire brush or other suitable means. Fungi or Algae should be scoured away using hypochlorite type bleach or proprietary fungicidal solution and then washed with water. Timber and composition boarding must be dry and free from wax, polish and paint etc. All traces of oil and grease must be removed with an industrial grade chemical degreaser or another suitable degreasing agent.
On vertical surfaces, where all the paint cannot be removed, it is advisable to peck-hammer, except where gypsum plasters are to be applied. This ensures a bond between Vetobond PB433 and the structure, and prevents failure due to lack of adhesion between the paint film and the substrate.

Additional Information
Health & Sefety

Vetobond PB433 is non-flammable. Kindly refer to product MSDS for information

Important note

Saveto endeavors to ensure that any advice, recommendations, information it may give, is accurate and correct. It cannot accept any liability either directly or indirectly arising from the use of its products, because it has no direct or continuous control over where or how its products are applied, whether or not in accordance with any advice, specification, recommendation or information given by us. Saveto has the right to change any of the specifications mentioned in the Technical data sheets upon its discretion without prior notification.

Hard copies of TDSs are printed once or twice a year, while our technical data sheets are continuously being updated as per R&D improvements and new 3rd party testing; kindly refer to our website for the latest updated TDSs.

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Saudi Vetonit Co. Ltd. (SAVETO)
P.O. Box 52235 Riyadh 11563, KSA
Toll: (+966 11) 265 3334
Fax: (+966 11) 265 0936
Sales
800 124 9009
Fax: (+966 11) 265 0718
Email: sales@saveto.com
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