Qingdao Kede Shengdi
The General Agent in China authorized by CORTEC
135-0535-2885
Service Hotline
VpCI-309 VpCI Powder for Ferrous Metals
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商品詳細
VpCI®-309 SF, a silica-free version, is available upon request.
?Does not contain silicates, phosphates, nitrites, or heavy metals
?Provides up to 24 months of continuous protection
?Provides monomolecular inhibiting layer
?Vapor phase inhibiting action protects inaccessible and recessed surfaces
?Protected products can be shipped to customers without removing powder
?If the VpCI® layer is disturbed by moisture or opening the enclosed space, the layer is replenished by continuous vapor redeposition
?Little or no surface preparation is required
?Prevents further corrosion of pre-coated and painted surfaces
?Easy to apply
When required powder can be removed by air gun or water rinse
?Provides protection of aluminum, carbon steel, and steel alloys
?Commercial equivalent to MIL I-22110C
?LD50 ORAL: 2100mg/kg of body weight
APPLICATIONS
?Tubular structures, pipes, vessels, and turbines
?Internal surfaces of compressors, turbines, engines, tanks, boilers, and heat exchangers
?Dry lay-up of closed circuit cooling systems
?Equipment protection after hydrostatic testing
?Parts, components, and completed assemblies during shipping and storage
?Segmental concrete bridge tendons/cables
METHOD OF APPLICATION
Apply powder by dusting, fogging, or sprinkling. After application simply cover, close, or seal the interior cavity or void.
Fogging is easily achieved with a low pressure air hose and sandblast cup or by inverting a wet/dry vaccuum. Large conventional sandblasting systems can also be used.
Please contact Cortec® Technical Service for specific dosing, equipment recommendations, and for application guidance.
DOSAGE
0.3-0.5 oz/ft3 (300-500 g/m3)
METHOD OF REMOVAL
When required, VpCI®-309/309 SF in powder form can be removed by using a low pressure air gun or by a water rinse. Typically, if applied in aqueous form the product does not require removal.
PACKAGING AND STORAGE
VpCI®-309 is available in 5 pound (2.3 kg), 50 pound (23 kg), and 100 pound (45 kg) lined drums. Store in a sealed container in a dry warehouse avoiding direct exposure to sunlight, with temperature not exceeding 150°F (65°C). Shelf life is up to 24 months.
METALS PROTECTED
?Carbon steel
?Stainless steel
?Aluminum
TYPICAL PROPERTIES
VpCI®-309
|
Appearance |
White to off-white powder |
|
pH |
6.5-8 (1% aqueous) |
|
Density |
38-39 lb/ft3 (0.61-0.63 kg/L) |
|
Appearance |
White to off-white powder |
|
pH |
6.5-8.0 (1% aqueous) |
PRECAUTIONS
?Caking of powder may occur when it is exposed to moisture and then dried. The likelihood of this is increased when pow- der is exposed to high heat and multiple wet/dry cycles. When powder gets caked, baked, and hardened it requires removal by mechanical means or by aggressive acid clean. To avoid caking of powder do not over apply or unevenly disperse the dry powder.
?Powder is not soluble in hydrocarbon fluids. Rinse powder from vessels before adding hydrocarbon fluids.
?Powder should be removed from area; each side of weld, be- fore welding, or other high temperature processing.
?VpCI®-309 contains silica. It is not recommended for steam ap- plication such as boilers, turbines, steam piping, etc. Please use VpCI®-309 SF in these and other silica sensitive applications.
Qingdao Cortec Rust Proof Materials Co., Ltd.,
Consultation hotline：0532-80989502
Sales Hotline：135-0535-2885
E-mail：zzgvci@163.com
QQ：592192408
Address：Room 2073, No. 12, chongmingdao East Road, Qingdao Economic Development Zone
Alibaba store：https://shop1420649126784.1688.com
Qingdao Cortec Rust Proof Materials Co., Ltd., the General Agent in China authorized by CORTEC Mobile phone：13505352885 Telephone：0532-80989502 Website：greattone.com.cn Mailbox：zzgvci@163.com Alibaba shop link click on the entrance Address：Room 2073, No. 12, chongmingdao East Road, Qingdao Economic Development Zone