Chemical resistance of plastics used in brush manufacture

Chemical	Concentration %	Nylon 6	Nylon 66	Polyester PBT	Polypropylene	PVC
Acetic acid	100	P	P	F	F	N
Acetone	100	G	G	G	G	P
Ammonia Liquid		G	G	N	G	G
Aniline	100	P	P	G	P	N
Benzene	100	G	G	G	N	P
Bleaching Solutions Dilute		N	N	G	G	G
Caustic Potash	10	G	G	G	G	G
Caustic Potash	50	G	G	P	G	G
Chlorine Water Saturated		N	P	N	F	N
Chloroform	100	N	N	G	N	P
Chromic Acid	10	P	P	G	G	P
Citric Acid	10	P	P	G	G	F
Detergent-Soaps		G	G	G	G	G
Ethanol	96	P	G	G	G	P
Ethylacetate	100	G	G	G	G	P
Formic Acid	98	N	N	N	N	F
Fuel Oil		G	G	G	P	N
Glycerine		G	G	G	G	G
Hydrochloric Acid	30	N	N	P	G	G
Lactic Acid	20	P	P	G	G	F
Methyl Alcohol	100	G	G	G	G	N
Mineral Oil		G	G	G	G	G
Nitric Acid	10	N	N	G	G	F
Nitric Acid	50	N	N	G	P	F
Oleic Acid	100	G	G	G	G	F
Oxalic Acid	10	N	N	G	F	F
Petrol		G	G	G	N	G
Phosphoric Acid	85	N	N	G	G	G
Sea Water		G	G	G	G	G
Sodium Chloride (salt)		G	G	G	G	G
Sodium Hydroxide	10	G	G	N	G	G
Sodium Hydroxide	50	G	G	N	G	G
Sodium Hypochloride	10	N	N	G	G	G
Stearic Acid	100	P	P	G	G	G
Sulphuric Acid	10	N	N	G	G	G
Sulphuric Acid	100	N	N	N	N	N
Tetrachloroethylene		G	G	N	N	P
Toluene	100	G	G	G	N	N
Trichloroethylene		G	G	N	N	N
Turpentine	100	G	G	G	N	G
Vaseline		G	G	G	G	G
Vegetable Oil		G	G	G	G	G

The above information is given on the assumption that the temperature of the chemical does not exceed 20°C

Properties of Monofilaments

Key: G = Good F = Fair P = Poor

Chemical	Concentration %	Nylon 6	Nylon 66	Polyester PBT	Polypropylene	PVC
Specific gravity		1.14	1.14	1.34	0.91	1.40
Melting point	°C	220	255	255	168	155
Maximum working temp	°C	100-120	100-120	120	70	55
Moisture absorption	%	3	2.8	0.30	0.00	0.00
Water absorption	%	9.5	8.5	0.5	0.01	0.0
Tensile strength dry	N/mm2	80	85	36	55	16
Loss of stiffness (wet)	%	70/80	50/60	1.2	1.2	0
Abrasion resistance		G	G	G	F	F
Bend recovery		G	G	F	F	P
Toxicity		none	none	none	none	none
Swelling in water	%	2	2	0	0	0

The information in both the above tables is based on our general experience and is given in good faith. We are unable to accept responsibility in respect of factors which are outside our knowledge or control, and affect the use of products. No warranty is given or is to be implied with respect to such information.

Freedom under patents, copyrights and registered designs cannot be assumed.

Additional information may be available on request.

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