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Sikasil®-670 Fire
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Catalog excerpts

Sikasil®-670 Fire - 1

PRODUCT DATA SHEET PRODUCT DESCRIPTION Sikasil®-670 Fire is a fire rated, 1-component, moisture-curing, low-modulus elastic joint sealant. USES Sikasil®-670 Fire is designed for fire rated movement and connection joints on porous and non-porous substrates. CHARACTERISTICS / ADVANTAGES ■ Up to 4 hours fire resistance according to EN 1366-4 ■ Very good resistance to weathering ■ Movement capability of ± 35% (ASTM C 719) ■ Easy to smooth and very good workability ■ Good adhesion to many different substrates ■ Neutral curing PRODUCT INFORMATION ENVIRONMENTAL INFORMATION ■ LEED v4 EQc 2: Low-Emitting Materials APPROVALS / STANDARDS ■ EN 15651-1 F EXT-INT CC 25 LM ■ EN 15651-4 PW INT ■ ISO 11600 F 25 LM & G 25 LM ■ ASTM C 920, class 35 ■ EN 1366-4 assessment report ■ ETA (ETAG 026) ■ UL listing (UL 2079) ■ EN 13501-2 classification report ■ EN 140-3 Chemical Base Neutral cure silicone Packaging 600 ml foil pack, 20 foil packs per box 300 ml cartridge, 12 cartridges per box Colour White, grey, black Shelf Life Sikasil®-670 Fire has a shelf life of 12 months from the date of production, if it is stored in undamaged, original, sealed packaging, and if the storage conditions are met. Storage Conditions Sikasil®-670 Fire shall be stored in dry conditions, where it is protected from direct sunlight and at temperatures between +5 °C and +25 °C. Density ~1.35 kg/l (ISO 1183-1) Shore A Hardness ~20 (after 28 d) (ISO 868) Product Data Sheet Sikasil®-670 Fire March 2020, Version 04.01 0205

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Sikasil®-670 Fire - 2

Secant Tensile Modulus APPLICATION INSTRUCTIONS geneous, free from oils, grease, dust and loose or fri able particles. Sikasil®-670 Fire adheres without SUBSTRATE PREPARATION primers and/or activators The substrate must be clean, dry, sound and homo- APPLICATION METHOD / TOOLS Product Data Sheet Sikasil®-670 Fire March 2020, Version 04.01 020515030000000012 AU^^L

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Sikasil®-670 Fire - 3

Sikasil®-670 Fire is supplied ready to use. After the necessary substrate preparation, insert a suitable backing rod to the required depth and apply any primer if necessary. Insert a foil pack or cartridge into the sealant gun and extrude Sikasil®-670 Fire into the joint making sure that it comes into full contact with the sides of the joint and avoids any air entrapment. Sikasil®-670 Fire sealant must be firmly tooled against the joint sides to ensure adequate adhesion. It is recommended to use masking tape where exact joint lines or neat lines are required. Remove the tape within the skin...

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