GD-FHll steel residual temperature blackening agent

OverviewQuick Details Classification:Black agent Origin:liuzhou, China (Mainland)Type:Remaining black agentUsage:
Hardware tools, fasteners, machinery parts, chains, springs, gears, mold, bearing and optical instrument partsBrand Name:GUODIANAppearance:Yellow liquidconcentration of:100%Supply AbilitySupply Ability:10000 Ton/Tons per MonthPackaging & DeliveryPackaging DetailsPackage:20kg/ 25kg/barrel
Shelf Life: 12 monthsPort:shenzhen
Technical parameters Test standard for blackening film formation of iron and steel Applications:
Ordinary carbon steel, alloy steel, powder metallurgy parts and other types of iron and steel parts.
The characteristics of the remaining black agent:
Keypad nigrescence agent is a kind of water-soluble weak alkaline black agent, suitable for black metal workpiece temperature tempering after surface treatment. Environmental protection technology, black color effect is good, membrane layer of high gloss, excellent antirust function.
Schematic diagram of single black process:
Packing & DeliveryPacking & DeliveryPackage:20kg/25kg/barrel.Port :shenzhenportandguanzhouportFAQFAQ
1. The black after rub off or hair flower (black and light black);
To strengthen oil removal can be solved.
2. After besmear brushs black rust (yellow rust or the next day return);
If washed before dark, need to dry, dry fine sandpaper after several times to remove floating rust, don't wash, clean with a clean dry dishcloth or napkin impurities powder, in the dry surface besmear brushs black agent can solve directly.
3. After black surface is colorful;
Brush a few times more or try 4