OP-3300 Spec 5

OP-3300 Spec 05 is a RoHS compliant two-part thermally conductive silicone sealant with a convenient 1:1 by weight mix ratio, and provides ease of use. OP-3300 Spec 05 also forms tight environmental seal, and provides high resistivity against water, heat, aging and electricity after curing.

It is easy to mix and apply. The applications include potting in electronics industry, protection for indoor or outdoor equipments. The proprietary formulation of OP-3300 Spec0 5 is RoHS compliant and halogen-free, providing extra reassurance in applications where hazardous substances are forbidden.

Product Spec Sheet


Features and Benefits

  • Thermally conductive silicone sealant with 1.0 W.m(-1).K(-1)
  • 1:1 mix ratio
  • Resists against water, heat, aging and electricity
  • RoHS compliant

Typical Applications

• Potting in electronics industry
• Protection for indoor or outdoor equipments, including connectors and electrical components

Additional information


White or Black Liquid (Part A), Grey Liquid (Part B). Can tune any color for customer


12000 (Part A), 12000 (Part B)


1.8 g/cm(3)

Mix Ratio (Constituent A to Constituent B)

1:1 (Weight Ratio)

Working Life at Room Temperature (25℃)

120 min

Time of Curing at Room Temperature (25℃)

8 hr

Time of Curing at 80℃

15 min

Post Curing Hardness

75 Shore 00

Post Curing Density

1.8 g.cm(-3)

Post Curing Temperature Range /℃


Post Curing Thermal Conductivity

1.2 W.m-1.K-1

Dielectric Strength

> 18 kV/mm

Volume Resistivity


UL Flammability Rating


Shelf Life (25℃)

18 months

Fill Out the Form Below