Quality Standards

QUALITY STANDARDS FOR SILICONE RUBBER GASKETS USED IN BUILDING CONSTRUCTION

KASTRADE follows the mentioned International Test Standards which are currently governing the building construction Industry world-wide. These Test Standards govern and control the quality of the Silicone Rubber Gaskets required for a specific application in Façade/Building Construction.

BS 4255: Part 1:1986

BS 4255: Part 1:1986

RUBBER USED IN PREFORMED GASKETS FOR WEATHER EXCLUSION FROM BUILDINGS

SCOPE OF THIS STANDARD

This part of BS 4255 specifies requirements for the classification, physical properties and markings of solid (non-cellular) rubber used in preformed gaskets for sealing applications in buildings where resistance to weathering, ozone and permanent deformation under load are of prime importance. This part applies to Chloroprene, Butyl, halobutyl, ethylene propylene (EPDM), chlorosulphonated polyethylene and Silicone Rubbers used in the gaskets.

ISO5892-1981

ISO5892-1981

RUBBER GASKETS- MATERIALS FOR PREFORMED SOLID VULCANIZED STRUCTURAL GASKETS – SPECIFICATION.

SCOPE OF THIS STANDARD

This International Standard specifies material requirements for preformed Solid Vulcanized Rubber Structural Gaskets used in sealing applications where both resistance to stress relaxation and resistance to weathering are essential. It is related particularly to gaskets of the lock-strip type. However, this standard does not give the material requirements for gaskets used for sealing glazing and panels, which are the subject of ISO 3934.

ASTM C1115 : 2011

ASTM C1115 : 2011

Standard Specification for Dense Elastomeric Silicone Rubber Gaskets and Accessories

SCOPE OF THIS STANDARD

This specification describes products composed of dense elastomeric silicone rubber that are fabricated into gaskets and accessories (such as setting blocks, spacers, and shims) for use in sealing and glazing applications in building construction. The products are classified according to type, hardness, class, and surface. Types include tear resistant and compression set resistant products. Surface of the product shall be smooth, clean, free from foreign matter, and shall not allow adhesion of sealants. Silicone rubber shall be manufactured from virgin polymer and shall be free from visible internal porosity, surface defects, and dimensional irregularities. The compound color shall be black unless specified otherwise.

DIN 7863-1 : 2011-10

DIN 7863-1 : 2011-10

ELASTOMOR GLAZING AND PANEL GASKETS FOR WINDOWS AND CLADDINGS - TECHNICAL DELIVERY CONDITIONS - PART 1: NON CELLUAR ELASTOMER GLAZING AND PANEL GASKETS

SCOPE OF THIS STANDARD

This is a German Standard. The material standard DIN 7863-1 specifies requirements for elastomer materials for the manufacture of elastomer gaskets for use in window and façade construction. The standard consists of two parts, whereby Part 1 describes the requirements for non-cellular gaskets and Part 2 specifies the requirements for cellular elastomer gaskets. Part 2 of the standard is currently under preparation. The standard has been prepared by NA 045-02-10-01 AK "Fensterdichtungen" ("Window gaskets").

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