Product Details

HDPE hollow plastic balls for save water

Plastic tower packing is made from heat resistant and chemical corrosion resistant plastics, including polyethylene (PE), polypropylene (PP), reinforced polypropylene (RPP), polyvinyl chloride (PVC), chloridized polyvinyl chloride (CPVC) and polyvinylidene fluoride (PVDF). It has features such as high free volume, low pressure drop, low mass-transfer unit height, high flooding point, uniform gas-liquid contact, small specific gravity, high mass transfer efficiency and so on, and the application temperature in media ranges from 60°Cto 150°C. For these reasons it is widely used in the packing towers in petroleum industry, chemical industry, alkali-Chloride industry, coal gas industry and environmental protection, etc.

Application

Furniture drawer slides, Medical, Flow control, Valves, Spray pump, Pumps, Float, Flow indicators

Technical parameter:

Diameter	Piece weight	Number/ft2	Number/Sqm
10	0.2	1076	11600
20	1.0	270	2900
25	1.5	172	1850
38	4.5	74	800
45	7.0	53	570
50	8.0	43	465
55	10.5	35	380
70	16.0	22	235
100	40	10	116
150	100	4.8	51.5

Suitable material:

Technical name	Commerical name	Abbreviation	Molecular formula
High Density Polyethylene	High Density Polyethylene	HDPE	(C2H4)n
Low Density Polyethylene	Low Density Polyethylene	LDPE	(C2H4)n
Poly(propene)	Poly(propene)	PP	(C2H6)n
Polytetrafluoroethylene	Teflon	PTFE	(CF2-CF2)n
Polyvinylidene fluoride	Kynar,Hylar,Sygef	PVDF	(C2H2F2)n

Operation temperature:

Material	Working Condition degree	Typlical application	Note
HDPE	80	Demineralised water and Chromic acid	For outdoor application
LDPE	80	Demineralised water and Chromic acid	For outdoor application
PVDF	140	Resistance to many agreesive material	For high temperature
PTFE	250	high temperature applications	For high temperature
PP	110	Metal treatment industry	Good corrosion assistance

Different material Physical/mechanical/thermal/electric/magnetic properties:

Name	PE ball	PP ball	PVDF ball	PTFE ball
Density.g/cm3	0.92 (L(,0.97(H)	0.87	1.77	2.16
Young's modulus	250/950	1285	1900	670
Friction coeffiicient	0.38	0.30	0.32	0.12
water absorption	0.013	0.10	0.04	0.02
Coefficient of linear thermal expansion	150	135	130	145
Volume resistrivity	>10‾15	>10‾14	>10‾14	>10¯15
Relative magnetic permeablity	<-1	<-1	<-1	<-1
Thermal conductivity	0.32(L)/046(H)	0.19	0.19	0.23

Feature:

Name	Application
pp	Polypropylene ball are resisting into not concentrated acids,alkalis,alcohols,oils,grease and most inorganic compounds.Fair assistance in armatic hydrocarbons, they are not resistant in contact with halogens.They provide corrosive phenomena even in presence of concentrated acids and oxidizing agents at high temperature.
PE	Excellent corrosion resistance in contact with acids, alcohols,basis,esters,petrol,grease and oils.Fairish resistance to aliphatic and aromatic hydrocarbons,mineral, oils,oxidizing.
PVDF	Excellent corrosion resistance in contact with inorganic acids and salts,organic acids,alcohols,aliphatic and aromatic hydrocarbons,halogens except fluorines,oxidizing environments. They are not suitable against nearly pure strong acids and basis,liquid alcaline metals, strong polar solvents
PTFE	Teflon balls provide exceptional corrosion resistance properties,they are resisting even in contact with industrial acids or caustic substances. They suffer corrosive phenomeza only against molten alkaline metals and fluorides at elevated temperature.

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