Electric waterproof two-component Silicone encapsulant for sealing pcb
供应产品
RoHs Compliance: Yes
Features：
Room temperature cure or rapid hot cure.
Addition cure, no byproduct,
Low shrinkage.
Excellent thermal conductive property and dielectrically property.
UL94 V-0
Applications:
Encapsulation for
Power supplies
Connectors
Sensors
Integrates circuit
Solar cells
Processing
The two components should be thoroughly mixed using a weight or volume ratio of 1:1 until the mixture has a uniform color.Vacuum de-air is recommended to get better thermal conductivity.Pour the mixture onto the container directly, avoid airentrapment. The catalysed material would cure to a flexible rubber within 24 hour at room temperature and then the mould can beremoved. If the work temperature is significantly low, the cure time would be longer. Heat accelerating the cure is possible.
Inhibition of cure
All addition-cured silicone elastomers are suspect to cure inhibition when contact with certain materials and chemicals.Inhibition has occurs if the elastomer is only partly cured after 24 hours or has a sticky surface in contact with anothermaterial. Amines and sulphur-containing materials are strong inhibitors, as are organ tin salts used in condensation curesilicone elastomers.
■ Packaging
Base A: 20kg/barrel, Curing agent B: 20kg/barrel
■ Usable life and storage
Base A and curing agent B has a shelf life of 12 months from the date of manufacture.
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