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Sikasil DW, Acetoxy Silicone Sealant for Potable Water Joints, Interior & Exterior, 600 mL

Sikasil DW, Acetoxy Silicone Sealant for Potable Water Joints, Interior & Exterior, 600 mL

Adhesives & Sealants
SIKA

Sika is a global leader in specialty chemicals for the construction and industrial sectors. The company develops and supplies innovative products and systems for bonding, sealing, damping, reinforcing, and protecting structures. With a strong focus on sustainability and performance, Sika serves a wide range of applications including concrete production, waterproofing, roofing, flooring, and structural strengthening.

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General Specifications
Packaging 600 mL
Usage Sealing Joints In Contact With Drinking Water (E.G. Tanks, Reservoirs)
Usage Area Interior & Exterior
Color Transparent
Chemical Base Acetoxy silicone
Storage Conditions +10 °C to +25 °C - Store in undamaged, unopened original sealed containers in dry conditions, protected from direct sunlight.
Density 1.05 kg/L(DIN 53 479)
Service Temperature -40 >< +180
Application Time 10 min.
Curing Time 24 hours
Application Thickness 6 mm
Application Method Gun
UV Resistant Yes
Moisture Resistant Yes
Mold Resistant No
Paintable No
Sealant Yes
Flexible Yes

Acetoxy curing silicone sealant for joints in contact with potable (drinking) water  

Sikasil DW is a one part acetoxy curing silicone sealant especially designed for joints in contact with potable (drinking) water.

  • Good chemical resistance, e.g. to dilute acids
  • High tear resistance
  • High UV resistance
  • Excellent weathering and ageing resistance
Usage
Sikasil DW is especially suitable for joints in contact with potable (drinking) water, e.g. in the water industry in drinking water reservoirs, tanks, treatment and filtration plants.   
Advantages
  • Good chemical resistance, e.g. to dilute acids
  • High tear resistance
  • High UV resistance
  • Excellent weathering and ageing resistance
Packaging

600 ml foil packs
Colour

Transparent, Black and Signal Grey
Technical Information
Shore A Hardness

~ 25 (after 28 days)

(ISO 868)

Secant Tensile Modulus

~ 0.5 N/mm2 at 100 % elongation (23 °C / 50 % r.h.)(ISO 8339)

Movement Capability

± 25 %

(ISO 9047)

Elastic Recovery

> 90 %

(ISO 7389)

Service Temperature

-40 °C min. / +180 °C max.

Joint Design

The joint dimensions must be designed to suit the movement capability of the sealant. For joint widths ≥ 10 mm and < 15 mm, a minimum depth or thickness of 6 mm must be applied. For larger joints contact Sika Technical Services for additional information.
Application Information
Sag Flow

< 2 mm

( ISO 7390)
Ambient Air Temperature

+5 °C min. / +35 °C max.
Substrate Temperature

+5 °C min. / +35 °C max.
Curing Rate

~ 2.5 mm/24 h (23 °C / 50 % r.h. )

(CQP 049-2)
Skin Time

~10 minutes

(CQP 019-1)