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Crystic® Polyester Resin R115PA

1 of 176 products in this brand
Crystic® Polyester Resin R115PA is a general purpose thixotropic, pre-accelerated, orthophthalic, unsaturated polyester resin. It has a 10-minute gel time and is suitable for use in buidling and construction, transportation and industrial applications by hand lay up or by spray application for the production of most glass reinforced laminates.

Polymer Name: Thermoset Polyester

Functions: Resins, Binders & Matrix Materials, Surface Finish

Chemical Family: Orthophthalics, Polyesters, Unsaturated Polyester (UPE)

Color: Pink

Processing Methods: Hand Lay-up, Spray Lay-up

Technical Data Sheet

Knowde Enhanced TDS

Identification & Functionality

Features & Benefits

Materials Features
Features and Benefits
  • Low viscosity
  • Rapid hardening
  • General purpose
  • Rapid wetting of the reinforcements
  • Fast mold turn-round
  • Only one resin in the workshop for most applications

Applications & Uses

Composites End Use
Composites Processing Methods
Recommended Applications

CRYSTIC R 115 PA can be used by hand lay up or by spray application for the production of most glass reinforced laminates.

Formulation Guidelines

The following cold curing formulation is recommended:

  • CRYSTIC R 115 PA : 100 parts
  • Catalyseur M : 1 to 2 parts

Catalyst M is a Méthyl Ethyl Kétone Peroxyde at 50% such as the Butanox M 50 from AKZO.

Gel Time

The ambient temperature, the quantity and the type of catalyst will control the gel time of the resin. Curing should not be carried out at temperature below 15°C.

Parts of catalyst M for 100 parts of resin 1 2
Geltime at 15°C in min. 74 28
Geltime at 20°C in min. 48 19
Geltime at 25°C in min. 30 10

 

Properties

Color
Typical Liquid Resin Properties
ValueUnitsTest Method / Conditions
Viscosity (at 25°C, Rhéomat 37.35 s⁻¹)4 - 5dPa.s
Specific Gravity (at 25°C)1.1
Stability (with storage recommendations)6Months
Gel Time (at 25°C, 2 % Catalyst M)9 - 11Minutes
Volatile Content40 - 43%
Acid Index16 - 22mg KOH/g
Cured Properties
ValueUnitsTest Method / Conditions
Barcol Hardness (Model GYZ 934-1)*50
Water Ingress (24h, at 23°C)*14mg
Heat Deflection Temperature (1.8 MPa)*65°C
Specific Gravity (at 20°C)1.1
Elongation (at break)*2%
Tensile Strength*62MPa
Tensile Modulus*3800MPa
Note

Test according to BS 2782 :1980
1MPa = 1MN/m2 = 1N/mm2 = 10,2 kgf/cm2
* cured 24 h at 20°C then 3 h à 80°C except for the HDT where the schedule was 24 h at 20°C then 5 h at 80°C then 3h at 120°C.

Technical Details & Test Data

Additives

Since certain pigments, fillers or extra styrene may the affect properties of CRYSTIC R 115 PA their effect should be evaluated before addition to the formulation.

Post Curing

For most applications satisfactory result will be obtained by curing at room temperature (20°C). Some improvement in properties may be obtained by post-curing 16 hours at 40°C after release from the mold.

Packaging & Availability

Packaging Type
Packaging
Crystic® R115 PA is supplied in 225 kg or 1100 kg containers. Bulk supplies can be delivered by road tanker

Storage & Handling

Storage
Crystic® R115 PA should be stored between 5°C and 25°C in the original, unopened container in a dry, well ventilated place. Protect from freezing and direct sunlight. Avoid contact with oxidizing agents. If stored outside of these recommendations, shelf life will be significantly reduced.