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ATTSHIELD OP 745

1 of 6 products in this brand
ATTSHIELD OP 745 is used and recommended for boats, water tanks, septic tanks, bathtubs, cooling towers, and other items. By hand molding and spraying.

Polymer Name: Thermoset Polyester

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

Cure Method: Air Dry, Chemical Cure

Processing Methods: Casting, Spray Lay-up

Technical Data Sheet
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Identification & Functionality

Composite Materials Functions
Plastics & Elastomers Functions

Features & Benefits

Characteristics

Low viscosity, pre-accelerated, thixotropic, unsaturated polyester resin with an orthophthalic cure indicator. Resin of medium reactivity. Cures with PMEK (methyl ethyl ketone peroxide: Butanox M-50, Promox P 200TX) at room temperature.

Applications & Uses

Composites End Use
Plastics & Elastomers End Uses
Composites Processing Methods

Properties

Appearance
Turbid Blue Liquid Without Foreign Inclusions
Specifications
ValueUnitsTest Method / Conditions
Brookfield Dynamic Viscosity (at a Temperature of 23.0°С)200-250mPasGOST 25271
Mass Fraction of Non-Volatile Substances56.0 - 60.0%GOST 31939
Acid Number (in Supplied Form)max. 30mg KOH/gGOST 23955, m. A
Gelatinization Time at a Temperature of (23.0±0.5 °C)40-50minutesGOST 22181 method C1
Warranty Period of Storage3.0months-

Packaging & Availability

Packaging Type
Transportation

Transport must be carried out in conditions protected from direct exposure to heat or moisture.

Storage & Handling

Storage

Store in a cool place below 25°C, away from moisture and direct sunlight. If stored for a long period of time, precipitation of the thixotropic agent is possible. Therefore, before use, the resin should be homogenized (roll or shake the barrel, when stored in a container, mix with minimal air access). During this, the temperature of the resin must be above 18°C, otherwise the LSE system may separate and settle on the surface in the form of foam.