Polyester resin Ecmalon 4411

Ecmalon 4411 is a general purpose unsaturated polyester resin of low reactivity. The resin has medium viscosity, ideally suited for wet lay up process.

	appearance : clear, colorless to pale yellow liquid
	viscosity 25oc (cps) : 550 (brookfield viscometer)
	specific gravity (25/25oc) : 1. 13
	acid value (mgkoh/g) : 25
	volatiles 150oc (%) : 35
	geltime 25oc (mts) : 20
	resin : 100g
	2% cobalt accelerator:1. 5ml
	50% mekp : 1. 5ml

liquid resin properties are tested in accordance with the procedures described in is6746-1994 and the values can vary within the tolerances mentioned therein.

Cast resin properties: specimens are fabricated from cast sheets cured at r. T for 24hrs and 4h. 90^oc.

property	unit	typicalvalue	test method
tensile strength	mpa	55	iso 527
tensile modulus	mpa	-	iso 527
elongation at break	%	2. 5	iso 527
flexural strength	mpa	90	iso 178
flexural modulus	mpa	-	iso 178
heat deflection temp	oc	55	iso 75
hardness	barcol	42	is6746-'94