fanjia.org.cn-国产欧美日韩精品丝袜高跟鞋,搡老熟女老女人一区二区,少妇又紧又色又爽又刺激视频,小sao货水好多真紧h无码视频

Vitamin K3 Leather auxiliaries Chromium salts Cement additives

As a main form of Vitamin K, it can effectively change into K2 in the animal body, and plays a role

We now produce three series of leather chemicals: tanning agent series, fatliquor series and auxi

Chromium salts mainly includes sodium dichromate, potassium dichromate, chromic anhydride and Chrom

HP-300 Concrete pumping agent is a Naphthalene-grouping & high efficient water reducing agent,

Subsidiaries:
Products

Technical index

Type: Condensation polymer of aromatic compounds

Appearance: white or light yellow powder

PH Value (10%) : 3.5 - 4.5

Water-solubility: Completely soluble in water

Ionicity: zwitterionic

Light fastness: excellent

Application reference

Recommended dosage: Upper leather for shoes : 3 - 5% Furniture leather : 3 - 4% Garment leather : 2 - 4%

Packing, storage and transportation

20Kg kraft bag, This product is a non-dangerous goods. Its shipment should be according to general cargo.

Shelf life

one year in cool and dry place.