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GS300
Glazing Silicone

GS300 is a gun grade, acetoxy cure, glazing silicone which forms a flexible and durable weather tight seal. It can be used for all classical glass and glazing applications.

Usage/Purpose

GS300 can be used for: all classical glazing joints including cap beads; shop windows, display cases, etc.; conservatories and greenhouses; and glass panels.

  • Meets the requirements of ISO 11600 G - 25 LM
  • Excellent adhesion to most glazing and frame materials
  • Wide service temperature range: -40°C to +180°C
  • Accommodates joint movement up to 25%
  • Suitable for sanitary applications
  • Solvent free

Usage Guidelines

  • Always carry out a test application prior to installation, to confirm compatibility and suitability for use
  •  Application should be in accordance with BS 8000:16 - “Code of practice for sealing joints in buildings using sealants”
  • Apply between +5°C and +40°C using a conventional skeleton gun or electric/power equipment
  • All beads should be tooled after application to ensure firm, full contact with the joint faces
  • Tooling should commence without delay due to the rapid skinning of the product

Description

For Interior and Exterior Use

GS300 is a gun grade, acetoxy cure, glazing silicone which forms a flexible and durable weather tight seal. It can be used for all classical glass and glazing applications.

Packaging

310 ml cartridges (20 per carton)

Technical data

PropertyTest MethodClassification
Composition acetoxy cure silicone sealant 
Specific Gravity 1.02
ConsistencyISO 7390, profile U20 non-sag
Shore A HardnessISO 86820
Skin Forming Timeat 23°C, 50% RH20 minutes
Tack Free Time  Approximately 30 minutes
Cure Rateat 23°C, 50% RH2-3 mm/1st day
Tensile StrengthISO 83390.6 N/mm²
Modulus at 100% ElongationISO 8339 0.35 N/mm²
Elongation at BreakISO 8339250% 
Movement Accommodation 25%
Elastic RecoveryISO 738995% 
Application Temperature +5°C to +40°C
Service Temperature Range  -40°C to +180°C 
Storage  Store in dry conditions between +5°C and +25°C
Shelf Life 18 months when stored as recommended in original unopened containers
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