668 Automotive gap-filling butyl sealant
1. Description
668 automotive gap-filling butyl sealant is a type of netural, one-component, permanent non-solidation sealing material , it shows good performance on air-tightness, weather resistance. Good performance on air-tightness. Ageing resistance. No drying out or embrittlensess, UV resistance, Solvent-free, Environmental friendly.
2. Application area
Gasket, gap-filling for automotive doors, windows, inside and outside panels, etc.
3. Technique data
|
Item
|
Value
|
Standard
|
|
Color
|
Black or grey
|
/
|
|
Smell
|
Insipidity
|
/
|
|
Penetration 1/10mm
|
290±10
|
GB/T269-91
|
|
Density
|
1.37g/cm³
|
GB/T13477
|
|
Solid contents
|
≥90
|
GB/T13477
|
|
Hardness(A)
|
10±5
|
GB/T531
|
|
Flowing
|
no
|
GB/T13477
|
|
Application temperature °C
|
-45--90°C,in short time 160°C
|
/
|
|
Extrusion rate,S (extrusion pressure (0.34MPA)
|
≤10
|
GB/T13477
|
|
Age resistance
|
good(25-30years)
|
GB/T13477
|
4. Advantage
(1) No flowing under high temperature, easy to extrude under low temperature.
(2) Good performance on sealing and water resistance, small temperature-sensitive.
5. Package
5&55 gallons steel keg.
6. Usage
On line applying with the sealant pump, the application surface should be clean, dry and oil-free. The operating temperature should be within 10°C-35°C. Adjust the pressure of the pump according to deferent temperature to control the diameter of the sealant.
7. Storage
Storage temperature: 0°C-40°C, 12months.