Standard

BS 5270-1:1989

Bonding agents for use with gypsum plasters and cement - Specification for polyvinyl acetate (PVAC) emulsion bonding agents for indoor use with gypsum building plasters

Current

•

Published:

31 Oct 1989

1 Scope

This Part of BS 5270 specifies composition and performance requirements for vinyl acetate homopolymer emulsion bonding agents, substantially unfilled, for indoor use with gypsum building plasters. Bonding agents specified are intended for use with plasters complying with Class B, types b. 1 and b. 2 of BS 1191 : Part 1 and type a.3 of BS 1191 : Part 2.

NOTE 1 The bonding agents may also be used with other plasters that are recommended by the manufacturer for use on backgrounds treated with bonding agents.

NOTE 2 The titles of the publications referred to in this standard are listed on the inside back cover.

Product Details

Descriptors

Strength of materials

Polyvinyl acetate

Saponification number

Solids content determination

Adhesives

Performance

Acid number

Weight (mass)

Gypsum plaster

Marking

Tensile testing

Construction materials

Film properties testing

Chemical analysis and testing

Chemical composition

Emulsions

Ash determination

Internal

Adhesion tests

Testing conditions

Specimen preparation

Plasters

ICS Codes

91.100.50 Binders. Sealing materials

Committee

PRI/52

International relationships

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ISBN

0 580 17078 0

Publisher

BSI