NBS Source
Sikasil® WT-480

Application

Sikasil® WT-480 has a wide adhesion range on many substrates such as glass, (coated) metal,wood, polyvinyl chloride (PVC) and many other substrates. In combination with its good mechanical properties, especially the high modulus of elasticity, this makes the adhesive most suitable for structural bonding of insulating glass units into window frames and for back-bedding applications. It is further suitable for highly demanding industrial bonding and sealing applications.

Description

A two-component, neutral curing structural silicone adhesive with very high modulus, for structural bonding of insulating glass units into window frames and for back-bedding applications.

Features and benefits:

  • Meets requirements of EOTA ETAG 002 and RAL-GZ 716/1.
  • High modulus.
  • Excellent adhesion to a wide variety of substrates
  • Outstanding UV and weathering resistance.
  • Very good mechanical properties.
  • Remains flexible over a wide temperature range.
  • Long-term durability.

Application:

Sikasil® WT-480 has a wide adhesion range on many substrates such as glass, (coated) metal,wood, polyvinyl chloride (PVC) and many other substrates. In combination with its good mechanical properties, especially the high modulus of elasticity, this makes the adhesive most suitable for structural bonding of insulating glass units into window frames and for back-bedding applications. It is further suitable for highly demanding industrial bonding and sealing applications.

General information

Uniclass

Pr_30_31_76_78 Silicone glazing compounds and sealantsPrimary

CAWS

L10/75 Sealant joints

L10/810 Sealant joints

L20/80 Sealant joints

L20/820 Sealant joints

L40/230 Bead-fixed single-glazing

L40/250 Bead-fixed single-glazing

L40/310 Bead-fixed single-glazing

L40/330 Bead-fixed single-glazing

L40/350 Bead-fixed single-glazing

L40/372 Bead-fixed insulating glass units

L40/380 Bead-fixed insulating glass units

L40/381 Bead-fixed insulating glass units

L40/495 U-profiled single-glazing

L40/496 U-profiled double-glazing

Product range

Bonding

Specification data - Silicone glazing compounds and sealants

Product Reference

Sikasil® WT-480

Standard product features

Chemical base:

Two-component silicone.

Colour:

Black, Grey S6 (mixed).

Technical characteristics:

  • Cure mechanism: Polycondensation.
  • Cure type: Neutral.
  • Density (uncured): 1.4 kg/L (mixed).
  • Viscosity (to CQP029-6): Part A: 1100 Pa·s; Part B: 250 Pa·s.
  • Consistency: Paste.
  • Application temperature: 5–40°C.
  • Snap time (to CQP554-1): 35 minutes (at 23°C/ 50% r.h.).
  • Tack free time (to CQP019-3) 180 minutes (at 23°C/ 50% r.h.).
  • Shore A hardness (to CQP023-1/ ISO 7619-1): 60.
  • Tensile strength (to CQP036-1/ ISO 527): 2.5 MPa.
  • 100% modulus (to CQP036-1/ ISO 527): 2 MPa.
  • Elongation at break (to CQP036-1/ ISO 527): 140%.
  • Tear propagation resistance (to CQP045-1/ ISO 34): 2.5 N/mm.
  • Service temperature (to CQP513-1): -40 to +150°C.

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