Construction Chemicals -One Component Self-leveling Joint Sealant

• Post Date:

  Aug 29,2016

• Expiry Date:

  Aug 29,2017

• Detailed Description:

  Quantity: 1000Kilograms
  Payment Method: TT, L/C
  PU820 is one component polyurethane high elastic self-leveling sealant for construction.
  Key Features
  1.One component, very easy for application, free solvent, non-toxic odorless after curing, environment-friendly
  2.Self-leveling, excellent flowability, easy to scratch sewing operation
  3.Durable flexibility, no crack, excellent sealing and waterproofing
  4.High displacement, no crack, fall off, suitable for sealing kinds of concrete road
  5.The new and used sealant has good compatibility, easy to repair
  6.Excellent water resistant, oil resistant, acid and alkali resistant, resistance to puncture
  
  Typical Applications
  1. Suitable for sealing and filling of expansion joints and settlement joints of airport runway, highway, building roof and basement
  2. Crack repairing of highway, plaza, roof, bridge and epoxy floor etc.
  3. Repair all kinds of concrete road surface
  
  Technical Data Table
  
  PROPERTY STANDARD/UNITS VALUE
  Main raw material ----- Polyurethane
  Appearance Visual inspection Gray, Homogeneous paste
  Density Gr/cc
  1.35±0.1
  Flow ability mm Self-leveling
  Solid content % ≥80
  Skin dry time hour ≤3
  Tack free time hour 6~16
  Fully cured time hour ≤24
  Elastic recover rate % ≥90
  Elongation at break % ≥800
  Application temperature °C 5~35
  Service temperature °C -40~80
  Shelf life month 6
  
  l Application Points
  1. Base surface requirement: dry, clean and non-pollution
  2. Application tools: cutting machine, blower, pouring equipment, brush, shovel knife etc.
  l Application methods
  1. Application slot cutting: use the cutting machine to cut good application slot according to the designing and planning, with the application tools such as blower, brush, shovel knife etc. to remove the dust and debris, and sufficiently drying.
  2. The liner material placement: put the polyethylene foam strip slightly larger than the gap into the application slot, the depth is according to the application condition.
  3.Application: Put the sealant into the pouring equipment, the extruding sealant hose go deep into the bottom of slot, then inject the sealant to the application slot.
  4. Reserve gap: The application joint will expand with temperature changing, therefore, after application, the sealant should be lower than the road surface. In summer: 2-3cm, In winter: 1-2mm.
  5. Maintenance to tack free time, In summer: about 6 hours, In winter: about 12 hours.
  l Attention of operation
  1. Before application, should guarantee that the sealant is in the warranty period.
  2. This product is innocuous after curing completely, but before curing, please avoid to touch with eyes and skin. In case of touch with eyes and skin, wash immediately and thoroughly with soap and water. If the situation is serious, please go to hospital.

• Company:

  suzhou sepna advanced material co.,ltd     [ China ]        

• Contact:

  Lora

• Tel:

  +86-512-63956669

• Fax:

• Email:

  sepna_cn@126.com