HG/T 4909-2016Silicone sealants for automotive lamps (English PDF)

HG/T 4909-2016 is the English-translated version of 车灯用有机硅密封胶.

Silicone sealants for automotive lamps are the subject of HG/T 4909-2016, a recommended Chinese chemical industry standard. It gives the terms and definitions, the requirements, the test methods, the inspection rules and the provisions for marking, packaging, transport and storage of this product. The sealants in scope are room temperature curing lamp sealants based on polysiloxane adhesive with added auxiliaries. Chinese classification G39 and international classification 83.180 place the document among adhesives and sealing compounds. It quotes GB/T 191, GB/T 528, GB/T 2793, GB/T 2943, GB/T 7124, GB/T 13477.3, GB/T 13477.5, GB/T 13477.7 and QB/T 2728. Issued on 15 January 2016, it has applied since 1 July 2016.

......
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 5911-2021|HG/T 5378-2018|HG/T 5379-2018|HG/T 5053-2016|GB 16776-2025|GB/T 14683-2017

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.