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Sikasil® WT-480

Verified by manufacturer 11 months ago

Sika Limited

High-modulus, two-component window bonding adhesive.

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Application

In combination with its good mechanical properties, especially the high modulus of elasticity, the adhesive is particularly 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.


Sikasil® WT-480 has a wide adhesion range on many substrates such as:

  • Glass.
  • Coated metal.
  • Wood.
  • Polyvinyl chloride (PVC).
  • Many other substrates.

Description

Sikasil® WT-480 is 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.
  • Snap time (CQP554-1): 35 minutes (at 23°C/ 50% r.h.).
  • Tack free time (CQP019-3) 180 minutes (at 23°C/ 50% r.h.).
  • 100% modulus (CQP036-1/ ISO 527): 2 MPa.

General information

Color

Black

Grey

Material

Silicone

Shape

Formless

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

Third party certification

EOTA ETAG 002 and RAL-GZ 716/1.

Material

Two-component silicone.

Colour

Black.

Manufacturer guidance

CQP001-1.

Cure

Polycondensation.

Manufacturer guidance

Cure mechanism.

Density

1.38 kg/L (mixed).

Manufacturer guidance

(Uncured).

Mix

10:1 (by volume); 13:1 (by weight).

Manufacturer guidance

Mixing ratio.

Viscosity

1100 Pa·s (part A); 250 Pa·s (part B).

Manufacturer guidance

CQP029-6.

Application temperature

5–40°C.

Manufacturer guidance

(Ambient).

Shore A hardness

60.

Manufacturer guidance

CQP023-1/ ISO 48-4.

TensileStrength

2.5 MPa.

Manufacturer guidance

CQP036-1/ ISO 527.

Elongation at break

140%.

Manufacturer guidance

CQP036-1/ ISO 527.

Tear resistance

2.5 N/mm.

Manufacturer guidance

Tear propagation resistance, CQP045-1/ ISO 34.

Service temperature

-40 to +150°C.

Manufacturer guidance

CQP513-1.

Shelf life

15 months (part A); 12 months (part B).

Guidance for specification option:

Stored below 25°C.

Manufacturer guidance

CQP016-1.

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