Derusting acid powder

Derusting acid powder
Specification: This product is a kind of concentrated derusting acid powder, can effectively remove the residual trace metal ions on the fabrics which are produced by the washing process, thus remove the rust stains. It can prevent clothes from turn yellow or pale.
Application: Used for speckle and whiten the fabric, so that colored fabric should be used with caution.
Usage: First, determine the stain type, and take the same amount of this product instead of neutral acid. Or individually brush and soak the fabric with above stains.
Proposed dosage: 5-10 g/ kg. clothes
Optimum temperature: Normal temperature or 20-50℃
Packing specification: 20 kg. /fiber drum 25 kg. /woven bag