Parcel Orders over $300 Ship Free.
Sylmasta Superfast Copper 114g

Sylmasta Superfast Copper 114g

Tremco-Spectrem-1

Tremco Spectrem 1 10oz Cartridge White

Sika Sikasil 728 RCS Limestone 40oz Unit

Sikasil-728 RCS Limestone 40 oz unit, part 418017. Two-component self-leveling rapid-cure silicone. Open to traffic in one hour.

  • 40 oz unit: two 20 oz sausages, part 418017
  • Open to traffic in one hour at 77 F
  • Self-leveling, no tooling
$76.91

Sikasil-728 RCS Limestone, 40 oz Unit

Sikasil-728 RCS is a two-component, self-leveling, rapid-cure, ultra low modulus, neutral-cure silicone for horizontal highway, bridge, and airport joints. This Limestone 40 oz unit (part 418017) is two 20 oz sausages. It skins in about 10 minutes, is tack-free in about 25 minutes, and is open to traffic in one hour at 77 F. It is not one-component 728 NS or 728 SL.

Key Features

  • Two-component Rapid Cure System silicone
  • Limestone 40 oz unit, two 20 oz sausages, part 418017
  • Skins in about 10 minutes; tack-free about 25 minutes at 77 F
  • About 90% cure in 1 hour; open to traffic in one hour
  • Self-leveling, no tooling; use a 16-element static mixer
  • Not one-component 728 NS or 728 SL

Applications

  • Highway and bridge joints
  • Airport runways and tarmacs
  • Plaza and parking decks

Technical Specifications

Property Value
Manufacturer Sika
Product Sikasil-728 RCS
Part no. 418017
Pack 40 oz unit, 2 x 20 oz sausages
Type Two-component self-leveling silicone
Skin time About 10 min at 77 F
Tack-free About 25 min at 77 F
Cure 90% in 1 hour at 77 F
Service temp -80 to 350 F
Joint depth 1/4 to 1/2 in
Movement +100% / -50%
Other packs on PDS 9 gal and 104 gal units, not live

Product documents: Sikasil-728 RCS PDS (PDF)

Frequently Asked Questions

What pack is this?
Limestone 40 oz unit, part 418017: two 20 oz sausages mixed through a 16-element static nozzle. PDS also lists 9 gal and 104 gal units, not stocked here.

When can traffic go on it?
Open to traffic in one hour at 77 F. About 90% cure in 1 hour.

Is this 728 NS or SL?
No. RCS is the two-component Rapid Cure System. NS and SL are one-component and listed separately.

Tool it?
No. It is self-leveling.

Who makes it?
Sika.