Chesterton MRS SD4i Metal Rebuilding System

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Chesterton MRS SD4i Metal Rebuilding System
Categories:	Ceramic
Material Notes:	An advanced ceramic composite for resurfacing and protection of metal surfaces in immersion service. It is normally applied in a thickness range of 250-370 microns (10 – 15 mils) per coat. Non-shrinking, 100% solids. MRS SD4i formulated for the resurfacing of metal components subjected to extreme corrosive or severe fluid flow conditions. MRS SD4i is a low viscosity composite that is designed to be spray applied but may also be applied by roller or brush. This product is designed as a two coat system to provide extended life for plant equipment. Cured MRS SD4i provides a high gloss ceramic surface with resistance to erosion-corrosion and permeation. Benefits: High loading of ceramic reinforcements extends equipment services life against wear. Exceptional resistance to blistering and chemical attack during long term immersion conditions High gloss finish reduces drag, improves pump efficiency on warn components Tough resin structure resists thermal-mechanical shock Outstanding adhesion insures reliable performance against underfilm corrosion Convenient 2 -1 volumetric mix ratio and verification of mis by color change. Suggested Uses: Chemical Storage Tanks Exhaust Gas Ductwork Heat Exchangers Tank Linings Chimneys and Stacks Fans and Housings Chemical Piping Information provided by Chesterton
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Physical Properties	Original Value	Comments

Density	1.80 g/cc	Cured

Mechanical Properties	Original Value	Comments
Hardness, Shore D	85	ASTM D2240
Tensile Strength at Break	3800 psi	ASTM D638
Elongation at Break	2.8 %	ASTM D638
Flexural Strength	9100 psi	ASTM D790
Flexural Modulus	880000 psi	ASTM D790
Compressive Strength	13100 psi	ASTM D695
Adhesive Bond Strength	>= 2000 psi	Tensile; ASTM D4541
Taber Abrasion, mg/1000 Cycles	26 @Load 1.00 kg	H-18, loss; ASTM D4060

Thermal Properties	Original Value	Comments
Maximum Service Temperature, Air	65.0 °C	Wet
	120 °C	Dry

Processing Properties	Original Value	Comments
Cure Time	5.00 hour @Temperature 32.0 °C	Light Load
	10.0 hour @Temperature 25.0 °C	Light Load
	10.0 hour @Temperature 32.0 °C	Overcoat End
	14.0 hour @Temperature 32.0 °C	Full Load
	18.0 hour @Temperature 16.0 °C	Light Load
	20.0 hour @Temperature 25.0 °C	Overcoat End
	24.0 hour @Temperature 10.0 °C	Light Load
	24.0 hour @Temperature 25.0 °C	Full Load
	24.0 hour @Temperature 32.0 °C	Full Chemical
	30.0 hour @Temperature 16.0 °C	Overcoat End
	40.0 hour @Temperature 10.0 °C	Overcoat End
	48.0 hour @Temperature 16.0 °C	Full Load
	48.0 hour @Temperature 25.0 °C	Full Chemical
	60.0 hour @Temperature 10.0 °C	Full Load
	96.0 hour @Temperature 16.0 °C	Full Chemical
	120 hour @Temperature 10.0 °C	Full Chemical
Tack-Free Time	1.00 hour @Temperature 32.0 °C
	4.00 hour @Temperature 16.0 °C
	6.00 hour @Temperature 10.0 °C
	30.0 hour @Temperature 25.0 °C

Descriptive Properties
Color	Blue
	Gray

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PPTCHS126 / 138238

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