PEFD polyester

PEFD polyester is a phthalic anhydride-based polyester. Available in four grades.

Order

Application Characteristics

Application

The use of PEFD polyester depends on its grade:

grade 1 is intended for production of isocyanurate foams and adhesives,

grade 2 is intended for manufacture of a sandwich panel component,

grade 3 is intended for manufacture of heat insulation,

grade 4 is intended for manufacture of a rigid polyurethane foam component.м

Characteristics

Specification 2226-060-05766764-2003

Technical characteristics

Parameters	Values
Parameters	Grade 1	Grade 2	Grade 3	Grade 4
Acid number, mg KOH/g,
– within the range of	0.3-1.0
– maximum		3.0	2.0
Hydroxyl number, mg KOH/g, within the range of	200-220	190-230	220-230	230-250
Moisture content by weigh, %, maximum	0.1	0.08	0.07
Free diethylene glycol content by weight, %,
– within the range of	8-10
– maximum		0.8
Dynamic viscosity at 25 °С, Pa∙s,
– maximum	17.0
– within the range of		2.0-3.5	10.0-13.0	10.5-14.5

Guaranteed shelf life:

6 months

Packing:

Steel or galvanized barrels, plastic containers, railway tank cars

Guarantee:

The product is manufactured according to the Specification. The product meets the stated information within the shelf life and subject to storage conditions.