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SP540
Floor Joint Sealant

SP540 is a one-part, non-sagging, elastic sealant based on hybrid-polymers. Suitable for use in both indoor and outdoor applications.

Usage/Purpose

SP540 is an elastic hybrid sealant for floor joints in pedestrian walkways, warehouses, parking areas. SP540 can be used in both indoor and outdoor applications.

During and after curing, SP540 is chemically neutral and low odour. After total curing the product is permanently elastic while still maintaining a high mechanical strength.

The time for film formation is approximately 35 to 40 minutes. During and after curing, SP540 is chemically neutral, non-corrosive and low odour. After total curing the product is permanently elastic while still maintaining a high mechanical strength. SP540 shows a good resistance to UV light, weather and ageing. The product is free of isocyanates and silicone.

Certificates

  • Isocyanate & silicone free
  • Fast curing
  • Fast tack-free time
  • Permanent elasticity
  • High mechanical strength and good abrasion resistance
  • Excellent resistance to weathering, aging and UV exposure

Usage Guidelines

  • Joint faces should be clean of dust and free from substances likely to impair adhesion.
  • Loose friable material must be removed and arrisses made good. Remove loose particles on concrete and plaster joints using a brush.
  • Metal surfaces should be degreased with solvent.
  • For a neat finish use masking tape for the joint edges.
  • Depending on the substrate AT115 and AT200 cleaners are available.
  • Clean powder coated surfaces with AT115.
  • It is recommended that preliminary tests are carried out.

Technical data

PropertyTest MethodResults
Specific GravityDIN 52451-A1.5
ConsistencyEN 27390 20 mm profileNon-sagging
Skin Forming Time+23°C, 50% RH~ 35-40 minutes
Cure Rate+23°C, 50% RHMaximum 3 mm in first 24 hours
CE ClassificationEN 15651Part 1: F-EXT-INT-CC, Part 4: PWEXT- INT-CC
Shrinkage (by Volume)DIN EN ISO 105633%
Modulus at 100% ElongationDIN 53504 S2~ 1.0 N/mm²
Tensile StrengthDIN 53504 S2~ 1.7 N/mm²
Elongation at Break DIN 53504 S2~ 300%
Shore A HardnessDIN 5350535
Movement CapabilityISO 1160025%
ClassificationISO 1160025HM
Application Temperature +5°C to +40°C
Service Temperature -40°C to +90°C
Storage Store in dry conditions between +5°C and +25°C
Shelf Life 12 months when stored asrecommended in originalunopened containers
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