Maarifa
Kituo cha Maarifa · StartLiving Group
Vigezo vya ubora, taratibu za benki, kuzuia ulaghai na uhandisi — vimeandikwa kwa wanunuzi, wauzaji, mawakala na madalali.
Bitumen 60/70 and PMB for Road Projects: Grades, Testing, Logistics
Penetration grades under EN 12591 and ASTM, polymer-modified bitumen under EN 14023, the tests that define them and the practical questions of drums, bulk tankers and temperature that decide whether a cargo arrives usable.
LOI vs ICPO vs SPA: The Document Chain of a Physical Commodity Transaction
From letter of intent to irrevocable corporate purchase order to sale and purchase agreement: what each document commits the parties to, which are legally binding, and how the chain continues through the letter of credit, inspection and bill of lading.
Rebar B500B and Cement CEM I: Specifying Structural Materials for EPC Projects
What B500B under EN 10080 and CEM I 42.5 under EN 197-1 actually require, which certificates an EPC contractor must demand, and how to write a purchase specification that survives site inspection and the engineer's approval.
KYC, Sanctions Screening and Due Diligence in Commodity Trading: What a Compliant Counterparty File Looks Like
Banks, insurers and serious counterparties will not touch a commodity deal without a complete KYC file. This article lists what a compliant counterparty file contains, how sanctions screening is done and how due diligence separates a refinery, mill or smelter from an intermediary with a letterhead.
Urea 46% granular vs prilled: specification, biuret, moisture and bagging for tender buyers
Urea 46% granular and prilled are the same chemical in two physical forms, and tenders treat them differently. This guide sets out the specification lines that matter, nitrogen, biuret, moisture, particle size and anti-caking, and the bagging and inspection terms a tender buyer should write in.
Energy-Efficient Renovation of Residential Buildings in Germany: EPBD, GEG and the Material List
What the recast EPBD and the German GEG require of residential renovations, which component U-values apply, and the material list a renovation of an apartment block actually needs, from insulation to cement and rebar.
The Upfront-Fee Trap: NCNDA/IMFPA, Mandates and the Real Procedure
Intermediary chains, "ICC 400/500/600" contracts and mandates with no principal all lead to one request: pay something before anything happens. How legitimate intermediation works, what the ICC actually publishes, and the procedure that never requires an advance.
BCL, RWA and POF: How Banks Actually Confirm a Buyer's Readiness (MT799 Explained)
Bank comfort letters, "ready willing and able" letters and proof of funds are asked for in nearly every diesel and gold offer. What an MT799 can and cannot say, what a bank will really sign, and how institutional sellers check a buyer without any of it.
Copper cathode Grade A (LME, BS EN 1978): certificate of analysis, brands and tolerances
What Grade A copper cathode means under the LME contract and BS EN 1978 Cu-CATH-1: the impurity limits, what a genuine certificate of analysis contains, why the producer brand matters more than the assay, and the quantity, weight and pricing tolerances in a real cathode contract.
Gold Doré and "LBMA" Bullion Fraud: Assay, Chain of Custody and Refinery-to-Vault Delivery
Offers of gold doré from Africa and "LBMA bars" at a discount share one feature: the gold never arrives. It explains how gold doré and bullion fraud works, what a real assay and chain of custody look like and why refinery-to-vault delivery with payment after assay is the only safe structure.
LNG spot cargo specification: GHV, Wobbe index, methane number and what a buyer must check
An LNG spot cargo specification is a composition range, not a single grade. This guide explains gross heating value, Wobbe index, methane number, nitrogen and contaminant limits, how they are calculated under ISO 6976, and what a buyer must check before confirming a DES or FOB cargo.
Why "POP" by E-mail PDF Is Never Proof of Product
Tank storage receipts, SGS reports, injection reports and product passports arrive as PDFs every day. None of them prove that product exists. What real verification of a fuel or sugar cargo looks like, and the sequence that honest sellers accept.
ICUMSA 45 Sugar Scams: Brazilian "Mills", Fake SGS Reports and the Real Export Procedure
Most ICUMSA 45 offers from "Brazilian mills" are not from mills at all. This guide shows how the sugar scam is built, how to recognise a fake SGS report and what the real export procedure from Santos or Paranaguá looks like, from mill registration to the letter of credit.
Hot-Rolled Coil, S355 Structural Steel and B500B Rebar: Sourcing Steel for Industrial Halls and Warehouses
Which steel products an industrial hall or warehouse actually needs: hot-rolled coil, S355 sections and plate, B500B reinforcement; the standards, the certificates and the import rules a buyer must check.
The 2% Performance Bond: Who Issues It, When It Is Drawn and How Sellers Abuse the Term
A 2% performance bond is a bank guarantee issued by the seller's bank after the buyer's letter of credit is in place. How it works under URDG 758 and ISP98, when a buyer can draw it, and why "PB first" offers for sugar and copper are a red flag.
D6 virgin fuel oil: what it is, who really buys it, and the spec sheet red flags
D6 virgin fuel oil is the US residual grade No. 6 under ASTM D396, sold by refiners to power plants and bunker blenders on term contracts. This guide explains the real specification, who the genuine buyers are, and the spec sheet and procedure red flags that mark a fake offer.
Dip Test (TTT/TTO) Scams in Fuel Trading: Why "Tank-to-Tank" Offers Rarely End in a Cargo
Tank-to-tank (TTT) and tank take-over (TTO) offers promise a dip test before payment and sound safe. This article explains how the dip test scam actually extracts money, why genuine refiners never sell this way and what procedure a real in-tank transfer follows.
Jet A-1 specification explained: ASTM D1655 and DEF STAN 91-091 limits
What a Jet A-1 specification actually requires: the ASTM D1655 and DEF STAN 91-091 limits for density, flash point, freezing point, sulphur, thermal stability and conductivity, where the two standards differ, and which certificate a buyer should ask for.