NBS Source

Silicone 825

Verified by manufacturer 6 months ago

Sika Limited Third party certifications:
  • QA Certificate

    QA Certificate

    Certificate type

Low modulus, neutral cure, alkoxy, odourless silicone sealant.

Jump to:
+44 (0)1707 394444 Website

Application

  • Perimeter pointing internally and externally around PVC-U/ wood and powder-coated aluminium.
  • Sealing and as an adhesive onto PVC-U, plastic trims and components.
  • Sealing soft metals such as lead, copper and zinc.
  • Weather sealing and joint sealing to pre-formed panels and curtain walling, glazing sealing and draught proofing.
  • Glass-to-glass and glass-to-aluminium sealing.
  • Parapet and roof weather sealing applications.
  • Suitable as an expansion joint sealant.
  • Bedding and sealing of insulated glass units.

Description

Low modulus, neutral cure, alkoxy, odourless silicone sealant that adheres to a wide range of both porous and non-porous surfaces without the need for priming.


Features and benefits:

  • Tooling and slow skinning properties are suitable for large scale construction and glazing applications.
  • High adhesion – adheres to most common surfaces including glass, metals, plastics and wood (painted or unpainted), un-plasticised polyvinyl chloride (PVC-U) and polycarbonate.
  • Excellent external weathering properties (over many years exposure).
  • High viscosity, non-slump formula.
  • Resistant to fumed hydrogen peroxide and fumed formaldehyde.


Approvals:

  • Certified to ISO 11600 F25LM and G25LM.
  • SNJF 25E for glazing and façade (primed aluminium and un-primed glass and mortar).
  • CE marked under EN 15651 for cold climate, façade, glazing and sanitary applications.

General information

Color

White

Beige

Black

Red

Brown

Show more

Finish

Smooth

Material

Silicone

Alkoxy silicone.

Shape

Formless

Length

50 mm

Width

50 mm

Height

275 mm

Uniclass

Pr_30_31_76_33 Glazing compounds and sealantsPrimary

CAWS

F11/116 Mortar jointed, sealant pointed glass block walling

F11/121 Sealant jointed glass block walling

F11/141 Sealant jointed glass block walling

F11/410 Perimeter/ Expansion joints with sealant

F30/610 Movement joints with sealant

F30/76 Movement joints with sealant

H11/772 Curtain walling joint assembly sealants

H11/777 Weathersealing for structural sealant/ bonded glazing

H13/740 Sealant joints

H30/160 Profiled plastic sheet rooflights or wall lights

H30/234 Gutters

H30/246 Steel lining

H30/247 Steel lining

H31/110 Metal

H31/120 Metal

H31/160 Profiled plastics sheet

H31/234 Gutters

H31/240 Lining

H31/241 Lining

H32/110 Plastics

null PVC-U

null Polycarbonate

H32/120 Plastics

H41/655 Sealant jointing proprietary system

H42/661 Sealant joints

H43/150 Profiled plastics sheet

H43/160 Profiled plastics sheet

H43/234 Gutters

H51/610 Sealant joints

H51/630 Movement joints

H71/770 Wedge fixing into joints/ Chases

H71/780 Wedge fixing into damp-proof course joints

H71/790 Screw fixing into joints/ Chases

H72/770 Wedge fixing into joints/ chases

H72/780 Wedge fixing into damp-proof course joints

H72/790 Screw fixing into joints/ chases

H73/770 Wedge fixing into joints/ chases

H73/780 Wedge fixing into damp proof course joints

H73/790 Screw fixing into joints/ chases

H74/770 Wedge fixing into joints/ chases

H74/780 Wedge fixing into damp proof course joints

H74/790 Screw-fixing into joints/ chases

H75/770 Wedge fixing into joints/ chases

H75/780 Wedge fixing into damp proof course joints

H75/790 Screw-fixing into joints/ chases

K10/215 Suspended ceiling system

K10/220 Proprietary suspended ceiling system

K10/245 Ceiling lining on timber

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

M20/653 Sealant movement joints with stop bead edgings

M21/530 Sealant joints

M21/85 Sealant joints

M40/75 Sealant movement joints

M40/815 Sealant movement joints

P31/40 Sealing around services

P31/710 Sealing

Product range

Sealant
Sealing & Bonding / Joint Sealing

Specification data - Glazing compounds and sealants

Standard

To BS EN ISO 11600.

Third party certification

CE marked.

Under EN 15651 for cold climate, façade, glazing and sanitary applications.

Class

G-25LM and F25LM.

Material

Alkoxy silicone.

Colour

Anthracite.

Beige.

Black.

Brick Red.

Brown.

Buff.

Dark Anthracite (RAL 7016).

Dark Grey.

Limestone White.

Magnolia.

Mid Grey.

Portland Stone.

White.

Service temperature

-50°C to 150°C.

Density

1.33—1.37 g/cm³.

Temperature

Ambient air temperature.

+5°C to +40°C.

Shore hardness - A

To ISO 868, 20–30.

Shrinkage

To ISO 10563, <5%.

YoungModulus

At 23°C.

To ISO 8339, 0.25—0.3 MPa.

At 100% elongation.

Adhesion strength

0.5 MPa.

At break.

YoungModulusCompression

To ISO 11432, 0.35 MPa.

100%.

Movement

To ISO 11600, ±25%.

Elastic recovery

To ISO 7389, >80%.

Elongation at break

At 23°C.

To ISO 8339, >200%.

Cure time

Skinning time: 30—45 minutes.

~2.0 mm/ 24h; ~6 mm/ 72h; ~9 mm/ 168h.

Environmental information

Contains Red List materials

No

Country of material origin

United Kingdom

Country of product manufacture

United Kingdom

Embodied carbon

0 kg·CO₂e/kg

Recyclability

0

Recycled content

0 %

Third party certifications

  • DoP: Certificate: 825/1-CPR/2014

Similar products from Sika Limited

SikaHyflex®-600

Sikasil®-Pool

Sikasil®-Pool

Silicone 996