company tower banner
Polynt Group Company Logo

Polynt Group SMC 3381 RF UNI CEI

Polynt Group SMC 3381 RF UNI CEI is a sheet molding compound based on an unsaturated polyester resin, fire retardant grade, halogen-free, reinforced with glass fibers. This SMC has been developed for electrical application. SMC 3381 RF joint good mechanical properties and good fire protection grade. SMC 3381 RF complies with uni cei 11170-3. SMC 3381 RF is formulated according to RoHS, REAC regulation SVHC and WEEE European legislation.

Functions: Molding Compound

Technical Data Sheet
  • TypeDocument Name
View All Documents

Knowde Enhanced TDS

Identification & Functionality

Composite Materials Functions

Features & Benefits

Applications & Uses

Properties

Typical Properties
ValueUnitsTest Method / Conditions
Glow wire GWFI960°CIEC 695-2-1
Heat distortion temperature HDTmin. 200°CISO 75
arc resistancemin. 180sASTM D 495
Dielectric rigidity18KV/mmIEC 243
Linear Shrinkage1, 0%ISO 2577
Density1, 75g/cm3ISO 1183
Rockwell hardness80HrmISO 2039-2
Surface resistivity10^14ΩIEC 93
Volume resistivity10^14Ω mmIEC 93
Water absorptionmax. 0,2%ISO 62 Met. 1
Quantity of glass33%ISO 11667
Flexural strength180MpaISO 14125A
Flexural modulus10MpaISO 14125A
Impact strength (Charpy)90KJ/m2ISO 179
Flammability
ValueUnitsTest Method / Conditions
FlammabilityV0 (3,0)

Storage & Handling

Handling and Storage
  • Storage at 15-25°C, in dry ambient and out of direct sun light
  • Molding time 40 s/mm
  • Molding pressure 70 - 110 bar
  • Molding temperature 140 – 160°C