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Common Silicone Rubber Compound For Molding(Precipitated Silica Grade DBPH)

Characteristics

- Complies with the standards of the U.S. Food and Drug Administration (FDA).

- Possesses good processing performance and comprehensive physical properties.

- Exhibits excellent resistance to yellowing.

- Demonstrates outstanding heat resistance within the temperature range of -50°C to 200°C.


Main Applications

- Various buttons for electronic and electrical equipment.

- Electrical insulation components and automotive parts.

- Industrial and civil sealing rings, and all kinds of parts.

- General industrial and civil silicone rubber products, as well as translucent products.

PROPERTIESGRADEUNIT
PHCNC330PHCNC340PHCNC350PHCNC360PHCNC370PHCNC380
PHYSICAL PROPERTIES
ColorMilky-white or semi-transparent
Hardness,Shore A304050607080Shore A
Plasticity150±30170±30230±30270±30280±30310±30
Density1.14±0.031.16±0.031.20±0.031.21±0.031.23±0.031.25±0.03g/cm^3
Tensile Strength ≥57.587.576.5MPa
Tensile Elongation @break ≥500450350300200150%
Tear Strength ≥151518181512kN/m
180℃*22H Compression Set≤40353025%
Resilience ≥605550454540%
ELECTRICAL PROPERTIES
Volume Resistivity ≥1.0×10^141.0×10^13Ω·cm
Breakdown strength ≥20kV/mm
OPERATING CONDITION
Operating temperature–50℃ ~ 200℃
Long term use humidity5%  ~  90%

DBPH Catalysis: 175℃ * 6min

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