COLLINS PINE FREEFORM^® PARTICLEBOARD MR50

Collins Pine FreeForm^® Particleboard MR50 is a new, highly moisture resistant particleboard. It was developed by Collins and is the first particleboard to attain a MR50 rating, the most stringent ANSI standard for moisture-resistance. Ideally suited for use in kitchen, bath, hospitality and other environments with high humidity and incidental moisture contact.

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Specifications

Sizes / Thicknesses	MR50 Specs
Press Size	5’ x 24’
Thickness (Inches)*	5/8” – 1-1/8”
Thickness Tolerance**	±.003” avg thickness from target range**
Length/Width Tolerances	±1/16”
Squareness Tolerance	±1/32” per foot of panel width

*Metric sizes within range also available
**Based on 3/4”

Physical Properties*	Commercial Specs	Industrial Specs	IND 2	IND 3	MR10	MR50
Density	42 lbs/cu ft	45 lbs/cu ft	46 lbs/cu ft	47 lbs/cu ft	46 lbs/cu ft	49 lbs/cu ft
Internal Bond	60 psi	80 psi	90 psi	100 psi	90 psi	150 psi
Modulus of Rupture	1,450 psi	1,700 psi	1,885 psi	2,176 psi	1,885 psi	2,500 psi
Modulus of Elasticity	257,000 psi	298,000 psi	290,100 psi	362,600 psi	290,100 psi	410,000 psi
Screw Holding – Face	171 lbs	205 lbs	225 lbs	250 lbs	225 lbs	300 lbs
Screw Holding – Edge	108 lbs	155 lbs	180 lbs	202 lbs	180 lbs	240 lbs

Physical properties tested using method ASTM D 1037-06a. Complies with and meets the moisture resistance characteristics defined by ANSI A208.1-2022.
Collins Pine MR50 Particleboard passes the stringent MR50 criteria for both thickness swell and advanced aging/degradation.