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ZHEJIANG TOP BEARINGS CO., LTD.

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City:jiaxing

Province/State:zhejiang

Country/Region:china

Contact Person:MrLeo Wu

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China HDPE Plastic Bearings , Anti-Alkali And Anti-Acid Plastic Bearings wholesale

HDPE Plastic Bearings , Anti-Alkali And Anti-Acid Plastic Bearings

Name: HDPE Plastic Bearings AntiAlkali And AntiAcid Plastic Bearings
Brand: TOB Plastic Bearing
Price: 1 USD

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Brand Name :TOB Plastic Bearing

Certification :ISO 16949

Place of Origin :China

MOQ :negotiated

Price :negotiated

Payment Terms :T/T

Supply Ability :negotiated

Delivery Time :negotiated

Packaging Details :Cartons or Pallets

Material :HDPE Plastic Material

Basic properties :Anti-Acid And Anti-Alkali

Faintish Acid and alkali Environment :30% CuCl2 solution and 30% NAOH solution

Lower Temperature :UPE could be used to lower temperature (lowest to -150℃)

The material of the rings & cage :HDP PP or UPE

The material of Balls :glass stainless or ceramic

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HDPE Plastic Bearings , Anti-Acid And Anti-Alkali Plastic Bearings

HDPE,PP,UPE(UHMWPE) are approved can be used in faintish acid and alkali environment (30% CuCl2 solution and 30% NAOH solution is tested ok).

HDPE plastic bearings could be used for long-time working temperature on 90C, The ball indentation hardness is 50HRC, the tensile stress is 25. Such bearings can be operated in liquid and contamination sensitive environments as acid/alkali/salt/solvent/oil/gas/seawater, and have general performance of lubrication and maintenance free, none magnetism, anti-rust and eroded of plastic bearings. But HDPE plastic bearings have not strong mechanical strength, and easy to be out of shape, so couldn't be used in heavy load and high-speed application.

Generally the rings and cage were made with HDP PP or UPE, balls were made with glass stainless or ceramic.

Basic properties of staple engineer plastic
Material	HDPE	PP	POM	PA66	PVDF	PPS	PTFE	PEEK
Long-time working temp.	90	100	110	100	150	230	260	280
Density	g/cm3	0.91	1.42	1.14	1.77	1.35	2.18	1.32
Ball indentation hardness	50	80	170	170	80	190	30
Tensile stress	25	30	70	80	50	75	25	95
Sliding friction coefficient	0.29	0.3	0.34	0.35-0.42	0.3		0.08-0.1	0.3-0.38
Melted temperature	130	165	175	260	172	280	327	343
Short-time highest application temperature	90	140	150	170	150	260	260	300
Coet of Inear expansion (10^-5/K)	13-15	17	10	8	13	5	12	5
Dielectric constant at 1 Mhz(10^6HZ)	2.4	2.25	3.7	3.6-5	8		2.1	3.2-3.3
Volume resisrivity (Ω·cm)	>10^15	>10^24	>10^14	10^13	10^12	>10^13	10^14	10^13
flammability UL94	+	+	-	(+)	(+)	-	+	+
Anti-weathering	-	-	-	-	-	-	+	-
Note: + =resistant; (+) =partly resistant; - =non-resistant

Chemical properties of Engineer plastic
Chemical Composition	Material
Chemical Composition	PI	PEEK	PTFE	PVDF	PA66	POM	PP	HDPE	ABS
Acrtate	+	+	+	(+)	(+)	+	+	(+)	+
Formic acid (10% water)	+	+	+	+	-	-	+	+	+
Ammonia (10% water)	-	+	+	+	+	(+)	+	+	+
Aether	+		+	+	+	+	+	+
Petrol	+	+	+	+	+	+	(+)	(+)	(+)
Bori acid (10% water)		+	+	(+)	+	+	+	+	+
Aminoform	+	+	+		-	-	(+)	-	-
Aeti aid 100%	(+)	-	+		-	-	+	+	-
Aceti aid (10% water)	+	+	+		-	(+)	+	+	+
HF			+		-	-	+	+	(+)
Formaldehyde aqu (30% water)		+	+	+	+	-	+	+	+
Glycerin	+		+		+	+	+	+	+
Iodine, Glycol	+		+	(+)	-	(+)	+	+	(+)
K2Cr2O7 (10% water)			+	+	+	-	+	+	+
KMnO4 (1% water)	+	+	+	+	-	(+)	+	+	(+)
2-Hydronyprpionic 10%	+		+	+	-	-	+	+	-
2-Hydronyprpionic 90%	+	+	+	+	+	(+)	+	+	+
Nad (10% water)	+	+	+	+	+	+	+	+	+
NaNO3 (10% water)	+		+	+	+	+	+	+	+
NaOH (50% water)		+	+	+	+	-	+	+	+
NaOH (5% water)			+	+	+	-	+	+
Oxalic (10% water)	+	+	+	+	(+)	(+)	+	+	+
Tetracarp	+		+	+	(+)	+	-	-	(+)
H3PO3 100%		+	+		-			+	+
H3PO4 (10% water)		+	+	+	-	-	+		+
NHO3 (2% water)	+	+	+	+	-	-	+	+	+
HCL (2% water)	+	+	+	(+)	-	-	+	+	+
H2SO4 98%		-	+		-	-	+	(+)	-
Soap liquid			+	+	+	+	+	+
Alkaliliquid (10% water)			+	+	+	+	+	+	+
Toluene	+	+	+	+	+	+	+	(+)	-
Water, cold	+	+	+	+	+	+	+	+	+
Water, hot		+	+	+	(+)	-	+	+	+
H2O2 (30% water)		(+)	+	+	-	-	+	+	+
H2O2 (0.5% water)	+		+	+	-	(+)	+	+	+
Asphalt	+		+		(+)	+	(+)	(+)
Note: + =resistant; (+) =partly resistant; - =non-resistant

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