GB/T 35074-2018Impregnating coal pitch (English PDF)
焦化浸渍剂沥青
This is a limited preview
Buy now to download the full PDF (15 pages)
Need quotation for your management?
Get a formal quotation for GB/T 35074-2018 in 30 minutes.
Issued by
SAMR; SAC
Level / Type
National · Recommended
Issue date
May 14, 2018
Implementation date
December 1, 2018
Scope
GB/T 35074-2018 is the English-translated version of 焦化浸渍剂沥青.
GB/T 35074-2018 covers impregnating coal pitch, the coal pitch used in the production of carbon materials. It sets the technical requirements for the product grades and the test methods, based on national methods for moisture, toluene insolubles, quinoline insolubles, softening point, ash and coking value.
The inspection rules explain how batches of one grade are formed, sampled according to GB/T 1999, or GB/T 2000 for solid pitch, prepared according to GB/T 2291 and judged against the indicators of Table 1, with double sampling of any failed item.
The standard also deals with packaging in bulk bags or tanks, storage in a dry, clean and ventilated place, transport and the quality certificate. It was issued on 14 May 2018 and has applied since 1 December 2018.
Found what you need?
Document preview — GB/T 35074-2018
National Standard of the People's Republic of China
- ICS
- 71.080
- Classification
- G 18
Issued by: State Administration for Market Regulation; Standardization Administration of the PRC
Contents
- Foreword3
- 1 Scope4
- 2 Normative references4
- 3 Technical requirements5
- 4 Test methods5
- 5 Inspection rules6
- 6 Packaging, storage, transport, quality certificate6
1 Scope
This Standard specifies the technical requirements, test methods, inspection rules, packaging, storage, transport, quality certificate of impregnating coal pitch.
This Standard is applicable to impregnating coal pitch for carbon material production.
2 Normative references
The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies.
GB/T 1999, Sampling method for coking oil products
GB/T 2000, Coking solid products. Sampling
GB/T 2288, Coking products - Determination of moisture content
GB/T 2291, Method for preparation of coal tar pitch specimens
GB/T 2292, Determination of toluene insoluble content for coking products
GB/T 2293, Pitch products of coal carbonization - Determination of quinoline-insoluble
GB/T 2294, Solid products of coal carbonization - Determination of softening point
GB/T 2295, Determination of the ash content of coking solid products
GB/T 8170, Rules of rounding off for numerical values & expression and judgement of limiting values
GB/T 8727, Method for determination of coking value of coal pitch products
GB/T 10454, Flexible freight container
5 Inspection rules
5.1 Inspection and acceptance
The quality inspection and acceptance of impregnating coal pitch are performed by quality supervision department.
5.2 Batch
Impregnating coal pitch shall be submitted in batches for inspection, consisting of products of same grade.
5.3 Sampling and sample preparation
For each batch of products, impregnating coal pitch is sampled according to GB/T 1999. Solid asphalt is sampled according to GB/T 2000. After sampling, perform sample preparation according to GB/T 2291.
5.4 Determination of inspection results
5.4.1 The product grade is determined according to the indicators in Table 1. When any item failed, it shall double sampling and inspect the failed item. Only when all the inspection items pass, this batch of products are determined as qualified. If there is one item unqualified, this batch of products shall be determined as unqualified.
5.4.2 The determination of reference indicators and other items shall be determined by negotiation between the supplier and the purchaser.
5.4.3 The test result value shall be rounded off according to GB/T 8170.
6 Packaging, storage, transport, quality certificate
6.1 Packaging
Solid impregnating coal pitch products are generally packaged in bulk bags.
The quality of the bulk bags shall meet the requirements of GB/T 10454. Liquid impregnating coal pitch products generally use tank storage. When the purchaser has special requirements for product packaging, it may be determined by the supplier and the purchaser through negotiation.
6.2 Storage
Impregnating coal pitch shall be stored in a dry, clean, ventilated environment. […]
......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 15 pages — is available in the English PDF.
Referenced standards
Normative references
- GB/T 1999Sampling of coking oil products
- GB/T 2000Coking solid products. Sampling
- GB/T 2288Coking products - Determination of moisture content
- GB/T 2291Method for preparation of coal tar pitch specimens
- GB/T 2292Determination of toluene insoluble content for coking products
- GB/T 2293The method of quinoline-insolube for pitch products of coal carbonization
Similar standards
How to Download GB/T 35074-2018
- 1
Add to cart
Click "Download PDF" on this page and choose "Buy this standard". You can add more standards before checkout.
- 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
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
Invoice included
A tax invoice is attached to the confirmation email. Need a custom invoice? Contact us.
Related Standards
GB/T 10454-2025 — Packaging - Flexible intermediate bulk containers(FIBCs) for non-dangerous goods
GB/T 1999-2008 — Sampling of coking oil products
GB/T 19990-2005 — Equipment for working the soil -- Fixing bolts for soil working element
Secure payment via Stripe
Payments accepted
GB/T 35074-2018
$75.00