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Kimoto Butyl Seal Materials for concrete products

Product Made in Japan
Manufacturer: Kimoto
Model: Butyl Seal

What is Butyl Seal?

It is an extruded sealant mainly made of butyl rubber. It combines the elasticity of vulcanized rubber and the plasticity of putty-like sealant at the same time, and can be bonded to objects of any shape to make it completely waterproof. In addition, it has excellent chemical resistance and weather resistance, so it is used in all fields.

Specification

shape Square, round, sheet-shaped, square-shaped with sponge, round with sponge
size Square shape: Thickness 1 mm × width from 10 mm
Round shape: From φ3
* Please contact us directly for detailed dimensions.
Minimum Lot 500m
* Less than a lot will be discussed separately.

Note:
This product cannot be peeled off once it is glued. Please note that even if it comes off, it will not come off cleanly.

The string is wrapped and packed.
String-shaped

Butyl seal with resin sponge
Round shape (with sponge)

sheet-shaped
sheet-shaped

Butyl Seal Physical Properties Table

Test items Test conditions Butyl Seal (#150)
ingredient Compound weight Butyl rubber, adhesive, calcium carbonate
specific gravity Water substitution 1.5±0.1
Penetration 25°C 100g 5sec 60±10
Adhesion 10mm×50mm×50mm
1/2 compression, 200mm/min tensile
1.2kg/㎠ or more
Heat Resistance Condition after 24 hours at 80°C No curing or cracking
Winter hardiness -30°C
condition after 24 hours
No curing or cracking
Water Resistance Immersion in room temperature water after
24 hours
No dissolution or swelling
Weather Resistance Weather Tester Condition after
250 hours
No curing or cracking
Water Absorption Immersion in room temperature water after
24 hours
1WT% or less
High and low temperature stability Room temperature →-40°C→150°C→ normal temperature after
2 hours each
No dissolution or swelling

* Sheet-shaped butyl seals have different physical properties.

merit

  • ・ It combines the elasticity of vulcanized rubber with the plasticity of putty-like sealants.
  • ・ Deforms and improves the degree of sealing, making it a completely waterproof body.
  • ・ Excellent weather resistance and chemical resistance.
  • The product itself is adhesive.

demerit

  • ・ Once glued, it will not come off. (Or it doesn’t come off cleanly)
  • ・ Since it deforms when loaded, it is not suitable for specifications.
  • ・ Hardens and softens depending on temperature.
  • ・ Made-to-order products other than sheet form. (Non-standard items require a mouthpiece)

Construction example

  • ・ Waterproofing of joints of concrete products such as manholes
  • ・ Sealing tape for roofs, floors, glass surrounds, etc.

Kouei is Distributor/Agent of Kimoto Rubber Industry Co.,LTD.
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