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ATTSHIELD OP 720

1 of 6 products in this brand
ATTSHIELD OP 720 is used in the hand molding and spraying of fiberglass. Allows for the possibility of working at lower temperatures. This resin brand's products have improved hydrolysis resistance, weather resistance, high strength and elongation, and resistance to alkaline environments. Use an accelerator-hardener system to work with resin at room temperature (cobalt octoate-MEKP)

Polymer Name: Thermoset Polyester

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

Cure Method: 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

Product Highlights

Thixotropic, pre-accelerated, highly reactive polyester resin with a curing indicator based on modified orthophthalic acid. Products from this brand of resin have increased resistance to hydrolysis, weather resistance, high strength, as well as resistance to alkaline environments.

Applications & Uses

Cure Method
Composites Processing Methods

Properties

Appearance
Pinkish Liquid With Slight Opalescence Without Foreign Inclusions
Specifications
ValueUnitsTest Method / Conditions
Brookfield Dynamic Viscosity (at a Temperature of 23.0±0.5)800-1200°C, sAccording to GOST 25271
Mass Fraction of Non-Volatile Substances56.0 - 60.0%GOST 31939
Acid Number (in Supplied Form)max. 35mg KOH/gGOST 23955, m. A
Gelatinization Time at a Temperature of (23.0±0.5 °C)25-45minutesGOST 22181 method C1
Warranty Period of Storage3.0months
Exothermic Peak Temperature145.0°WITH

Packaging & Availability

Packaging Type
Standard Packing

Double-necked metal drums of 220 kg, polyethylene cubes of 1000 kg.

Storage & Handling

Storage Conditions

Warranty period 3 months. Store in the original packaging indoors, avoid direct sunlight, at temperatures up to 25°C. 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.