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Sealants · Silicone sealants

Sikasil®-712 WS

LOW-MODULUS WEATHER SEALANT FOR CURTAIN WALL AND METAL CLADDING FACADE

Sika TDS On demand
Available on order Not held in stock. Ask us for the current lead time and minimum order.
Brand
Sika
Packing
300 ml cartridge, 12 cartridges per box 600 ml foil pack, 20 foil packs per box
  • Very good weathering resistance Very good weathering resistance.
  • Movement capability of ±25 % Movement capability of ±25 % (ASTM C 719).
  • Very good workability Very good workability.
  • Translucent Translucent, metallic look.
  • Neutral cure Neutral cure.
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  • Sika products supplierIslamabad & Rawalpindi.
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Product at a glance

Temperature range
−40°C to +150°C Joint Design The joint width must be designed to suit the joint movement required and the movement capability of the sealant. The joint width shall be ≥ 6 mm and ≤ 45 mm. The joint depth shall be ≥ 6 mm a

Key benefits

  • Very good weathering resistance
  • Movement capability of ±25 %
  • Very good workability
  • Translucent
  • Neutral cure
  • Low VOC content

Sikasil®-712 WS — LOW-MODULUS WEATHER SEALANT FOR CURTAIN WALL AND METAL CLADDING FACADE

Sikasil®-712 WS is a silicone-based, 1-component, UVstable, moisture curing, low-modulus elastic weather sealant. Suitable for use in hot and tropical climatic conditions.

Recommended uses

  • Sikasil®-712 WS is designed for weather proofing and sealing applications where the sealants appearance is of importance (translucent/metallic look).
  • Sikasil®-712 WS is particularly suited as a sealant for shop front, glass partition walls and other applications.
Technical information

Technical information

Verified performance data for Sikasil®-712 WS, taken directly from the Sika Pakistan Product Data Sheet.

Sikasil®-712 WS — technical data
Chemical BaseNeutral cure silicone
ColourTranslucent and aluminium
Density~0.98 kg/l Volatile organic compound (VOC) content ≤ 50 (US EPA 24)
Shore A Hardness~24 (after 28 days) (CQP023–1 / ISO 7619–1)
Tensile Strength~0.4 MPa (CQP036–1 / ISO 527)
Movement Capability±25 % (ASTM C 719)
Service Temperature−40°C to +150°C Joint Design The joint width must be designed to suit the joint movement required and the movement capability of the sealant. The joint width shall be ≥ 6 mm and ≤ 45 mm. The joint depth shall be ≥ 6 mm a
ConsumptionJoint length [m] per 600 ml foil pack Joint width [mm]Joint depth [mm] 101010 5158 32010 22512 1.33015
Ambient Air Temperature+5°C to +40°C, min. 3°C above dew point temperature
Substrate Temperature+5°C to +40°C
Curing Rate~2 mm/24 hours (23°C / 50% r.h.) (CQP 049–2)
Skin Time~15 minutes (23°C / 50% r.h.) (CQP 019–1) Tack Free Time ~70 minutes (23°C / 50% r.h.) (CQP 019–3) Product Data Sheet Sikasil®-712 WS May 2025, Version 02.01
StandardsASTM C 920, class 25; VOC test report (US EPA 24); VOC Emission Test Report (CDPH)

Source: Sika Pakistan Product Data Sheet, Sikasil®-712 WS (May 2025, Version 02.01).

Packaging & storage

Packaging & storage

Packaging

300 ml cartridge, 12 cartridges per box 600 ml foil pack, 20 foil packs per box

Storage

Sikasil®-712 WS shall be stored in dry conditions, where it is protected from direct sunlight and at temperatures between + 5°C and + 25°C.

Shelf life

Cartridge - 12 months Unipack (foil pack) - 12 months

Application guide

Application guide (2 easy steps)

  1. ApplicationSUBSTRATE PREPARATION The substrate must be clean, dry, sound and homogeneous, free from oils, grease, dust and loose or friable particles. The following priming and/or pre-treatment procedures shall be followed: Non-porous substrates Float glass, coated glass, anodised aluminium and stainless steel have to be pre-treated using Sika® Aktivator-205, Sika® Aktivator-100 or Sika® Cleaner P. Powder coated and PVDF coated
  2. Cleaning of ToolsClean all tools and application equipment immediately after use with Sika® Remover-208 and/or Sika® Cleaning Wipes-100. Once cured, residual material can only be removed mechanically.

Follow the official Sika Technical Data Sheet for full application details.

Technical documents

Data sheets for this product

Technical Library
PDF
Sikasil®-712 WSProduct Data Sheet · May 2025, Version 02.01
1006 KB PDF

More data sheets in Sealing & Bonding

FAQs

Frequently asked questions

What is Sikasil®-712 WS?

Sikasil®-712 WS is a silicone-based, 1-component, UVstable, moisture curing, low-modulus elastic weather sealant. (LOW-MODULUS WEATHER SEALANT FOR CURTAIN WALL AND METAL CLADDING FACADE)

What packaging is available?

300 ml cartridge, 12 cartridges per box 600 ml foil pack, 20 foil packs per box

What is the shelf life?

Cartridge - 12 months Unipack (foil pack) - 12 months Sikasil®-712 WS shall be stored in dry conditions, where it is protected from direct sunlight and at temperatures between + 5°C and + 25°C.

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