Water-soluble PVA Cutting Fiber Spec is 1.44dtex X 44mm, 1.56dtex X 38mm, 2.00dtex X 38mm, and this fiber with the line density of 1.11dtex-8.89dtex and the length of 20mm-70mm can also be produced.
Quality Requirement of Water-soluble PVA Cutting Fiber
Number
Item
Index
EXC.GR
FIR.GR
QUALIFIED.GR
1
LINE DENSITY DEVIATION %
±5
±6
2
LENGTH DEVIATION %
±5
±6
3
cN/dtex DRY BREAKING TENACITY
≥3.5
≥3.2
≥2.3
4
DRY BREAKING ELONGATION %
27±5
27±7
27±9
5
°C MELTING BREAKING TEMPERATURE
≤92.0
≤93.0
≤94.0
6
NON-SOLUBLE IN WATER %
≤0.05
≤0.25
≤0.50
7
CRIMP NUMBER per/25mm
≥3.5
≥3.0
≥3.0
8
ABNORMAL FIBER mg/100g
≤2.0
≤8.0
≤15.0
9
MIRABILITE CONTENTS %
≤0.05
≤0.10
≤0.15
Attention: if have new needs for quality index, make it out in contract separately.