Fulaflex 620 Hybrid Polymer Sealant 440g Black H.B. Fuller
H.B. Fuller Fulaflex 620 hybrid polymer joint sealant features low-modulus flexibility, black colour and 440g cartridge. Ideal for expansion joints and facades.
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Alternatively Known As: FulaFlex 620 Hybrid Polymer Sealant
- Polymer Base: STP (silane‑terminated polymer)
- Specific Gravity: ~1.45
- Skin Time: approx. 30–40 min @ 23 °C, 50 % RH
- Cure Rate: approx. 2 mm/day @ 23 °C, 50 % RH
- Full Cure Time: 7 days
- Service Temperature Range: −40 °C to 100 °C
- Durometer Hardness: ~Shore A 25
- Modulus @ 50 %: ~0.2 MPa
- Modulus @ 100 %: ~0.3 MPa
- Tensile Strength (max): ~1.4 MPa
- Elongation: > 450 %
- VOC Content: 0 g/L
- Movement Capability: ± 35 %
- Dimensions (H x L x W): 240mm x 50mm x 50mm
- Weight: 0.45 kg
- Isocyanate‑free, solvent‑free, low‑odour, zero VOC (meets GBCA requirements)
- Permanently flexible with ± 35 % joint movement capability (ASTM C‑719)
- Complies with ISO 11600 Type F, Class 25 LM
- Suitable for AS 3740‑2010 waterproofing of domestic wet areas
- Excellent resistance to UV, weathering, yellowing, seawater, caustic solutions, cleaning agents
- Strong adhesion to wide range of substrates without priming
- Non‑sag/no bubble cure; paintable
- Sealing expansion and control joints in facades, tiled areas, walls, roofs, window and door perimeters
- Perimeter fillet beneath waterproofing membranes (AS 3740‑2010)
- Sealing joints in insulated wall systems, cladding, concrete/masonry surfaces
- Meets ISO 11600 Type F, Class 25 LM for movement capability
- Meets AS 3740‑2010 for waterproofing of domestic wet areas
- Solvent‑ and isocyanate‑free formulation reduces hazardous emissions
- Zero VOC content supports sustainable building (Green Building Council of Australia)
- High elongation and durability reduce maintenance and replacement waste
H.B. Fuller warrants the product conforms to its specifications at delivery. In case of non‑conformance (and if handled/stored per guidelines), H.B. Fuller may replace or refund the product; this remedy is exclusive and subject to Australian Consumer Law limitations.
Available through authorised Australian distributors via 440 g cartridges and 600 mL sausages.
