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Hysol GR2310V | Gold Epoxy Mold Compound

Harmonization Code : 3907.30.00.90 |   Polyacetals, other polyethers and epoxide resins, in primary forms; polycarbonates, alkyd resins, polyallyl esters and other polyesters, in primary forms : Epoxide resins : Other
Main features
  • Long flow version of GR2310
  • For MnO Tantalum Capacitors
  • Gold (yellow) colored

Product Description

Hysol GR2310V is a long flow, long-gel time version of GR2310. It is gold (yellow) in color and is a semiconductor-grade epoxy molding compound or duroplast designed for the encapsulation and protection of Manganese Oxide (MnO2) tantalum capacitors and automotive sensor packages. Once molded and post-mold cured, this product provides optimium protection and reliability for these capacitor devices.

Hysol GR2310V is a laser markable, environmentally "green" product, meaning that doesn't contain any halogens including bromine, antimony or phosphorus flame retardants. MG33F-0520 and MG33F-0602 dominated the space for tantalum capacitors but used halogen-containing flame retardants. This next generation epoxy mold compound replaces these older generation products. It is designed to achieve JEDEC Level 1 requirements at 260°C reflow temperature. Its fast cure time ensures that it is compatible with the latest automold manufacturing equipment. Hysol GR2310V meets UL 94 V-0 Flammability at 1/4 inch (6.35mm) thickness.


Product Family
35 mm
50 gr 35 gr

Catalog Product

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Technical Specifications

General Properties
Specific Gravity
Specific Gravity
Specific gravity (SG) is the ratio of the density of a substance to the density of a reference substance; equivalently, it is the ratio of the mass of a substance to the mass of a reference substance for the same given volume.

For liquids, the reference substance is almost always water (1), while for gases, it is air (1.18) at room temperature. Specific gravity is unitless.
The color
Filler Content 72 %
Shelf Life
Shelf Life
Shelf life is the amount of time after manufacturing that a product is guaranteed to retain its properties.

It differs vastly per product and it is based on temperature and storage conditions.

The properties can be guaranteed for the temperature and time range indicated on the TDS since those are the ones tested to be the best for the product.
Shelf Life @ 5°C 365 days
Chemical Properties
Extractable Ionic Content, after 20 hours
Chloride (Cl-)
Chloride (Cl-)
The amount of Chloride (Cl-) ion extracted from the product in parts per million (ppm)
19 ppm
Sodium (Na+)
Sodium (Na+)
The amount of Sodium (Na+) ion extracted from the product in parts per million (ppm)
9 ppm
Mechanical Properties
Flexural Strength
Flexural Strength @ 25°C
Flexural Strength @ 25°C
Flexural strength, also known as modulus of rupture, or bend strength, or transverse rupture strength is a material property, defined as the stress in a material just before it yields in a flexure test. This is the flexural strength tested at Room Temperature, 25°C
110 N/mm2
Flexural Modulus
Flexural Modulus @ 25°C 11500 N/mm2
Molded Shrinkage 0.3 %
Water Extract Data, 20hrs water boil
Water Extract Data, 20hrs water boil
Water Extract Data, 20hrs water boil
Conductivity 40 mmhos/cm
pH of extract 5.5
Electrical Properties
Volume Resistivity
Volume Resistivity
Volume resistivity, also called volume resistance, bulk resistance or bulk resistivity is a thickness dependent measurement of the resistivity of a material perpendicular to the plane of the surface.
1.0x1016 Ohms⋅cm
Thermal Properties
Gel Time
Gel Time
Gel time is the time it takes for a material to reach such a high viscosity (gel like) that it is no longer workable.

It is usually measured for different temperature conditions and even though it does not refer to full cure it is advisable to never move or manipulate the material after it reached its gel time since it can lose its desired end properties.
Gel Time @ 175°C / 347°F 28 s
Spiral Flow
Spiral Flow @ 175°C 114 cm
Glass Transition Temperature (Tg)
Glass Transition Temperature (Tg)
The glass transition temperature for organic adhesives is a temperature region where the polymers change from glassy and brittle to soft and rubbery. Increasing the temperature further continues the softening process as the viscosity drops too. Temperatures between the glass transition temperature and below the decomposition point of the adhesive are the best region for bonding.

The glass-transition temperature Tg of a material characterizes the range of temperatures over which this glass transition occurs.
180 °C
Thermal Conductivity
Thermal Conductivity
Thermal conductivity describes the ability of a material to conduct heat. It is required by power packages in order to dissipate heat and maintain stable electrical performance.

Thermal conductivity units are [W/(m K)] in the SI system and [Btu/(hr ft °F)] in the Imperial system.
0.7 W/m.K
Coefficient of Thermal Expansion (CTE)
Coefficient of Thermal Expansion (CTE)
CTE (Coefficient of thermal expansion) is a material property that is indicative of the extent to which a material expands with a change in temperature. This can be a change in length, area or volume, depending on the material.

Knowing the CTE of the layers is helpful in analyzing stresses that might occur when a
system consists of an adhesive plus some other solid component.
Coefficient of Thermal Expansion (CTE), α1
Coefficient of Thermal Expansion (CTE), α1
CTE α1 (alpha 1) is the slope of the Coefficient of thermal expansion in a temperature range below the Glass transition temperature (Tg).

It explains how much a material will expand until it reaches Tg.
18 ppm/°C
Coefficient of Thermal Expansion (CTE), α2
Coefficient of Thermal Expansion (CTE), α2
CTE α2 (alpha 2) is the slope of the Coefficient of thermal expansion in a temperature range above the Glass transition temperature (Tg).

It explains the extent to which a material will expand after it passes Tg.
70 ppm/°C
UL94 Rating
UL94 @ 1/4 inch V0
Curing Conditions
Preheat Temperature 80 - 95 °C
Mold Temperature 140 - 180 °C
Transfer Pressure 40 - 85 kg/cm2
Transfer Time 6 - 15 s
Curing Time
Curing Time @ 175°C / 347°F 50 - 90 s

Additional Information

Tantalum capacitors are general purpose mature products and as such, the products used to mold them must be cost-competitive. Although the GR2310V has "only" been manufactured for 15 years or so, it has been optimised as to offer the lowest cost possible for a non halogen containing formulation.