Клапан для внутренней трубы велосипеда металлический клапан VAM длина 31
- Категории: Other Bicycle Parts >>>
- Поставщик: Ningbo,Haishu,Yuanxing,Tire,Valve,Co.,Ltd.
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Описание и отзывы
Характеристики
Schrader Bike tire valve / Bicycle American Tube Valve VAM
Zinc stem of bicycle tube valve VAM:
cap can be colorful:
BRASS STEM OF VAM VALVE FOR YOUR REFERENCE : PRICE IS DIFFERENT ON MATERIAL
Company Information
FAQ
Q:What’ s the difference between Chrome plating,Nickel plating and Zinc plating?
A:1.Generally speaking,Nickel Plating and Zinc Plating is barrel plated,Chrome plating is rack plated.
2.Appearance.Zinc plating is white ,not so glossy;Nickel plating is silver ,glossy ,a little yellow;Chrome plating is white,glossy,a little bule.
3.Rust Resistance.Zinc plating is OK,Nickel plating is better,Chrome plating is best.
Q:What’s the difference between Brass(Copper) and Zinc alloy?
A:Zinc alloy, low melting point, good liquidity, easy fusion welding, corrosion resistance in atmosphere, deformed material easy to recycle and remelting;But low creep strength, prone to natural aging changes size.
Pure copper density 8.96, melting point is 1083 degree centigrade , with excellent electrical conductivity, thermal conductivity, ductility and corrosion resistance.
Q:How to store tire valves?
A:Products should be stored in a dry and ventilated, anti high temperature, sun proof, corrosion resistance, no oil warehouse,storage no more than six months since the date of delivery.
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