HG/T 3891-2006Direct Red D-7B (C.I. Direct Red 227) (English PDF)

HG/T 3891-2006 is the English-translated version of 直接红 D-7B（C.I.直接红227）.

HG/T 3891-2006 is the Chinese chemical industry standard for Direct Red D-7B, indexed as C.I. Direct Red 227 and sold under such names as Direct Fast Red FR and Direct Light Rose FR. It sets out the requirements for the dye, the sampling and test methods, the inspection rules and the requirements for marking, labelling, packaging, transport and storage. The standard serves the quality inspection of Direct Red D-7B, used mainly for one-bath dyeing of polyester/cotton and polyester/viscose blended fabrics and for dyeing cotton, silk and paper. Its test work rests on GB/T 2375-2003, GB/T 2381-2006, GB/T 2383-2003 and GB/T 2386-2006, with fastness by GB/T 3920-1997, GB/T 3921.1-1997 and GB/T 5713-1997. Issued on 26 July 2006, it has applied since 1 March 2007.

......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 15 pages — is available in the English PDF.

HG/T 5944-2021|HG/T 2748-2012|HG/T 3892-2006

1. 1

   Add to cart

   Click "Download PDF" on this page and choose "Buy this standard". You can add more standards before checkout.

2. 2

   Checkout

   Enter your email and billing details. Payment is processed securely by Stripe (cards or bank transfer). Prefer bank details? Request a quotation (min. order $300).

3. 3

   Instant delivery (0–9 sec)

   Delivery is automatic: within seconds of payment you'll receive an email with a secure download link. The link stays valid for 72 hours.

4. 4

   Invoice included

   A tax invoice is attached to the confirmation email. Need a custom invoice? Contact us.