427152
聚偏二氟乙烯
beads or pellets
别名:
PVDF
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关于此项目
线性分子式:
(CH2CF2)n
化学文摘社编号:
NACRES:
NA.23
PubChem Substance ID:
UNSPSC Code:
12162002
MDL number:
vapor pressure
15 mmHg ( 32 °C)
Quality Segment
form
beads or pellets
melt index
20-35 g/10 min (230°C/3.8kg)
impact strength
2-4 ft-lb/in. (Izod, ASTM D 256, notched)
dielectric constant
8.0-9.5, 100 Hz (ASTM D 150)
hardness
76-80 (Shore D, ASTM D 2240)
refractive index
n20/D 1.42
ASTM D 3835
6,000-7,500 poise(230 °C) (100 sec-1)(lit.)
transition temp
brittleness temperature -62 °C (ASTM D 746), Tm 155-165 °C
solubility
some polar solvents such as organic esters and amines: soluble
density
1.78 g/mL at 25 °C
SMILES string
FC(F)=C
InChI
1S/C2H2F2/c1-2(3)4/h1H2
InChI key
BQCIDUSAKPWEOX-UHFFFAOYSA-N
Application
涂料、薄膜、滤布、仪器内衬、滤膜、泵零件和内衬以及阀门。
Features and Benefits
结晶方式至少有 3 种，具体情况取决于结晶条件。机械强度高、耐磨性强和电介质强度高。能够抵抗多数化学品、紫外幅射、风化和真菌。
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存储类别
11 - Combustible Solids
wgk
WGK 3
flash_point_f
Not applicable
flash_point_c
Not applicable
ppe
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