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Polynt Group SMC 4500 R23

Polynt Group SMC 4500 R23 is a sheet molding compound based on an unsaturated polyester resin reinforced with glass fibers. This SMC has been developed for sink and tray application. SMC 4500 R23 joints good mechanical properties with stain and chemical resistance. SMC 4500 R23 has been studied to show a decorative effect on the part molded. SMC 4500 R23 is formulated according to RoHS, REAC regulation SVHC and WEEE European legislation.

Functions: Molding Compound

Technical Data Sheet
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Knowde Enhanced TDS

Identification & Functionality

Composite Materials Functions

Features & Benefits

Applications & Uses

Properties

Typical Properties
ValueUnitsTest Method / Conditions
Rockwell Hardness80Scale MISO 2039-2
Heat distortion temperature HDTmin. 200°CISO 75
Flexural modulus9.5MPaISO 14125A
Linear Shrinkage0,1%ISO 2577
Density1,7g/cm3ISO 1183
Water absorptionmax. 0,2%ISO 62 Met. 1
Impact strength (Charpy)50KJ/m2ISO 179
Quantity of glass23%ISO 11667
Flexural strength130MPaISO 14125A

Storage & Handling

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