Specification as per IS 2046-1995-CGS
CenturyLaminates SBP Grade
Thickness
3.0 mm (± 0.2 mm)
3.05 mm
Resistance to surface wear
350 (revolutions)
> >350
Resistance to immersion in boiling water Mass increase (%)
3.8% (Max)
2.50% (Max)
Resistance to immersion in boiling water Thickness increase (%)
4.0% (Max)
3.00%
Resistance to immersion in boiling water Appearance not worse than
Grade 4
Grade 5
Resistance to dry heat 180º C
Grade 4
Grade 5
Dimensional stability at deviated temperature Longitudinal (%)
0.30% (Max)
0.25% (Max)
Dimensional stability at deviated temperature Transverse (%)
0.65% (Max)
0.45% (Max)
Resistance to impact by large Diameter Drop Height
10
8
Resistance to impact by large Diameter Drop Identation
100
120
Dimensional stability at 20º C Transverse (%)
0.60% (Max)
0.48% (Max)
Resistance to impact by small diameter ball
20N (Min)
25 N (Min)
Resistance to cracking
Should pass test
Passed
Resistance to scratching
2N (Min)
2.5N (Min)
Resistance to staining
Should pass test
Passed
Resistance to colour change In Xenon light
Should pass test
Passed
Resistance to colour change In Enclosed Carbon ARC light
Should pass test
Passed
Resistance to cigarette burns
Should pass test
Passed
Resistance to steam
Grade 4
Grade 5
Resistance to Crazing
Grade 4
Grade 5
Resistance to Moisture
Grade 4
Grade 4
Flexural Modulus Mpa min
10000
10500
Flexural strength Mpa min
100
115
Tensile strength Mpa min
70
90
Appearance
No ABC Defects
No ABC Defects
Specific gravity gm/c.m3
N/A
1.4 (Min)
Permitted departure from flatness
10.0mm
4.0mm
These laminates are most suitable in paneling of switch boards for :
