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E4930R

Technical Datasheet | Supplied by Cosmic Plastics

E4930R by Cosmic Plastics is an epoxy grade reinforced with mineral. Exhibits excellent moisture resistance and thermal cycling stability. Offers a standard spiral flow range is 30-40” (EMMI) at 160°C & 1000 psi, and a flow duration of 40-50 seconds at 325 - 1000 psi. E4930R is used to encapsulate optocouplers, capacitors, resistors, resistor networks, transistors, SOIS’s and QFP. Complies with ISO 9001:2008 and UL-94 (V0) flame rating.

E4930R Properties

Physical Properties

Value & Unit

Test Condition

Test Method

Specific Gravity

1.85

(at RT (22°C))

Bulk factor

2.0 - 5.0

(at RT (22°C))

Linear Mold Shrinkage

0.002 - 0.004 in/in

(at RT (22°C))

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