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Tretford USA

Specifications

APPEARANCE
Construction: Fusion Bonded
Pile Yarn: 80% mohair/wool; 20% nylon
Total Weight: 80 oz. per sq.yd.
Total Height: .250 in.
Primary backing: Poly vinyl chloride
Secondary backing: Jute
Width: Two meters (6'7")


ACOUSTICAL RATINGS
NCR Noise Reduction Coefficient: ASTM C423-66-.20
One-third octave bands  
Center frequency Hz
125
250
500
1000
2000
4000
Absorption coefficients
.03
.07
.10
.24
.46
.52


PERFORMANCE SPECIFICATIONS
Flame spread: ASTM E84 - Class A
Smoke density: ASTM E84 - Class A
Critical radiant flux: ASTM E648 - 0.71


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