Introduction
NPS-SIL series are precipitated silica recommeded for reinforcement in silicone elastomers.It provides the fol-lowing benefits.
-Very good compression set
-Good rebound
-Good transparency
-Very good processability
Specification
Type
NPS-SIL 250
NPS-SIL 235
Particle Size
13.28
14.00
Moisture(%)
5
5
ISO 787-2
Oil Abs.(ml/100g)
249
235
ISO 787-5
pH(5% in water)
7.07
5.65
ISO 787-9
Surface Area(m2/g)
280
207
BET
Pore Volume(ml/g)
1.32
0.61
BET
Bulk Density(g/cc)
0.17
0.18
ISO 787-10
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