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Epoxy mould

Appearance

Good surface finish

Hardness

High hardness and strength

The price

The price is relatively high

Durability

Long service life

Unsaturated resin mold

Appearance

Poor surface finish, requiring repeated polishing in the later stage

Hardness

Not strong enough, easy to crack

The price

It's cheap

Durability

Quick wear and tear, short service life

Comparison of epoxy resin mold and unsaturated resin mold

Project

data

Tensile strength (kg/cm ^ 2)

650-850

Bending strength (kg/cm ^ 2)

900-1200

Compressive strength (kg/cm ^ 2)

1100-1300

Impact strength (kg▪cm/cm ^ 2)

10-20

Heat resistance (c. Martin method)

105-130

Breakdown voltage (kv/mm, room temperature)

35