Product Data Sheet
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Sika Waterbar® O M MY

Centrally Placed Waterbars for Expansion Joints

Sika Waterbar® O M MY is used to seal expansion joints in concrete structures.

  • High quality PVC for long durability
  • Suitable for high water pressure
  • Easy to weld on site
  • Many different sizes and types available, depending on their use
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Product Data Sheet
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Usage

Used in water retaining structures such as reservoirs, water towers, dams, spillways, canals, swimming pools, sewage tanks, etc. to keep water out of concrete structures such as basements, underground car parks, tunnels, subways, retaining walls, etc.  

Advantages

  • High quality PVC for long durability
  • Suitable for high water pressure
  • Easy to weld on site
  • Many different sizes and types available, depending on their use

Packaging

Type

Roll length

O-15 M MY

~20 m

O-20 M MY

~20 m

O-25 M MY

~20 m

O-32 M MY

~15 m

Colour

Yellow flexible strip

Product Details

Sustainability / Certifications / Approvals

APPROVALS / STANDARDS

Sika Waterbar® O M MY conform to the requirements of BS 2571
Product Information

Composition

Polyvinyl Chloride

Shelf Life

5 years from the date of production

Storage Conditions

Store properly in original, unopened and undamaged sealed packaging in dry conditions at temperatures between +10 °C and +25 °C. Protect from direct sunlight.

Total Width

Type

Width

O-15 M MY

~150 mm

O-20 M MY

~200 mm

O-25 M MY

~250 mm

O-32 M MY

~320 mm

Thickness

O-15 M MY

3.0–4.5 mm

O-20 M MY

3.0–4.5 mm

O-25 M MY

3.0–4.5 mm

O-32 M MY

3.0–4.5 mm
Technical Information

Shore A Hardness

75 ± 5

(BS 2782: 365B)

Tensile Strength

> 12 N/mm²

(BS 2782: 320A)

Elongation

≥ 300 %

(BS 2782: 320A)

Chemical Resistance

Permanent

Water, seawater and sewage

Temporary

Diluted inorganic alkalis, mineral acids and mineral oils

Service Temperature

-35 °C min. / +55 °C max.

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