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FA870
Premium Natural Stone Silicone

FA870 is a one component, low slump silicone completely free of any ingredients likely to cause migratory staining to natural stone. It is neutral curing for safe sealing of stonework and has a conventional finish. Contains fungicide. FA870 is classified according to ISO 11600 as F-20HM.

Usage/Purpose

FA870 has been formulated for the long term elastic sealing of movement joints between natural stone such as granite, slate, terrazzo, porphyry, limestone, travertine, sandstone, quartzite, marble, etc., as well as for joints with other construction materials like concrete, ceramics, metals, glass, PVC and primed wood.

  • A high performance silicone sealant developed specifically for the sealing of natural stone whereby tremco illbruck guarantees no migratory staining
  • Good resistance to UV light, ageing and weathering
  • Contains fungicide to prevent mould growth - suitable for sanitary & swimming pool surround applications
  • Rapid curing formulation - skins within 10 - 20 minutes
  • Chemically neutral, not corrosive and very low odour
  • Compatible with most construction materials

Technical data

CharacteristicStandardClassification
ClassificationEN 15651-1
EN 15651-3
Class 25 LM CC
XS2
StainingDIN ISO 16938No migratory staining
Specific GravityBS EN 1183-1B~1.0
Skin Formation+23°C, 50% RH15 minutes
Curing Rate+23°C, 50% RH~3.5 mm in 1st day
ShrinkageBS EN 10563~5%
Modulus at 100% ElongationBS EN 83390.5 N/mm²
Tensile StrengthBS EN 8339~0.6 N/mm²
Elastic Recovery at 60% ElongationBS EN 7389> 90%
Movement CapabilityISO 11600DIN EN ISO 11600-F-20HM
Shore A HardnessDIN 53505;
ISO 868
~26
Application Temperature +5°C to +40°C
Service Temperature -40°C up to +150°C*
*Short Term
Storage Store in shaded dry conditions between +5°C and +25°C.
Shelf Life 18 months when stored as recommended in original unopened containers.
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    FA870 Application Video

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