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FS500
Frame and Façade Silicone

FS500 is one-part, neutral curing, low modulus, low odour silicone sealant suitable for perimeter joint sealing applications with high movement capability. It has excellent adhesion to most porous substrates.

Usage/Purpose

FS500 is ideal for use in: expansion & curtain wall joints, perimeter joints around windows or doors, panel joints between most common substrates, heel and toe beads, polycarbonate glazing and other general joint sealing applications.

  • Meets the requirements of EN ISO 11600 G&F 25LM
  • High movement capability
  • Long-term resistance to weathering, ageing and extra UV protection
  • Low modulus formulation ensures minimum stress at joint faces
  • Neutral cure: low odour and non-corrosive
  • Modern colour range in low sheen finish
  • Easy to tool into place and smooth off

Usage Guidelines

FS500 is ideal for use in: expansion & curtain wall joints, perimeter joints around windows or doors, panel joints between most common substrates, heel and toe beads, polycarbonate glazing and other general joint sealing applications.

Technical data

CharacteristicStandardClassification
Composition  neutral silicone 
ClassificationEN 15651EN 15651-1 class 25 LM CC
EN 15651-2 class 25 LM CC
ISO 11600DIN EN ISO 11600-F-25LM
DIN EN ISO 11600-G-25LM
BS EN 13501-1, section 11.3Class E
Specific GravityBS  EN ISO 1183-1 B~ 1.40
Consistency BS EN ISO 7390
(20 mm)
0 mm, non-sagging
Shore A HardnessBS EN ISO 868~ 24
Skin Forming Time at 23°C, 50% RH ~ 20 - 35 minutes 
Cure Rate at 23°C, 50% RH ~ 1 - 2 mm /1st day
Volume ShrinkageBS EN ISO 10563                        ~ 6%
Tensile Strength BS EN ISO 8339 23°C
DIN 53504 S2       
~ 0.5 N/mm²
~ 1.6 N/mm²
Modulus at 100% Elongation BS EN ISO 8339 23°C    ~ 0.38 N/mm²
Elongation at Break BS EN ISO 8339 23°C    ~ 275%
Movement CapabilityBS EN ISO 1160025%
Elastic Recovery BS  EN ISO 7389~ 95%
Application Temperature +5°C to +40°C 
Service Temperature Range (Short Term) -40°C to +150°C 
StorageStore in shaded dry conditions between
+5°C and +25°C
Shelf Life12 months when stored as recommended
in original unopened containers
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