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本文(FORD W-M3B71-A-2010 CONDENSER FINAL RINSE - STEEL《钢制冷凝器的最终冲洗》.pdf)为本站会员(eventdump275)主动上传,麦多课文库仅提供信息存储空间,仅对用户上传内容的表现方式做保护处理,对上载内容本身不做任何修改或编辑。 若此文所含内容侵犯了您的版权或隐私,请立即通知麦多课文库(发送邮件至master@mydoc123.com或直接QQ联系客服),我们立即给予删除!

FORD W-M3B71-A-2010 CONDENSER FINAL RINSE - STEEL《钢制冷凝器的最终冲洗》.pdf

1、 NON-PRODUCTION MATERIAL SPECIFICATION Material Name Specification Number Date Action Changes 2010 03 09 N-STATUS No replacement named L. Sinclair, NA 1991 04 01 Page 1 of 1 CONDENSER FINAL RINSE - STEEL W-M3B71-A NOT TO BE USED FOR NEW DESIGN 1. SCOPE: The material defined by this standard is a wat

2、er (10 grains CaCO 3 equivalent max, as determined by conductivity measurement) diluted chromic/phosphoric acid final rinse. It is intended to impart a corrosion resistant coating and a base for subsequent application of organic finish or paint on steel and/or galvanized parts which have been proces

3、sed through a chromate conversion coating system. 2. APPLICATION: This as received solution is reduced with water and used as a final rinse for protective coating on steel and/or galvanized parts (such as brackets, end sheets, and receiver driers) in association with aluminum condenser assemblies. I

4、t may be used for the treatment of other products of the same general description and/or material. 3. REQUIREMENTS: 3.1 CHEMICAL COMPOSITION: Chromium: 24-28 g/L (Atomic Absorption) Phosphorous: 2.60-2.95 g/L 3.2 PH 1% SOLUTION: 2.5-3.5 (ASTM E 70) 3.3 SPECIFIC GRAVITY: 60 F (15.6 C) 1.050-1.055 (AS

5、TM D 1298) 3.4 FOAMING: Room temperature, rinse shall be nonfoaming (FLTM BT 101-01) 14% by volume after 5 minutes stirring, 10 minutes standing. 3.5 PERFORMANCE: This material, when used according to W-PL 55-05, must provide that level of salt fog protection to steel and galvanized parts as required by the applicable engineering drawing. 4. STANDARD PARAGRAPHS: The following standard paragraphs as defined in Manufacturing Standard MBX are herewith made a part of this standard: C1, C2 (initial approval only), P1, P2, P3, R1, R2.

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