TL_260_EN_大众汽车零件表面涂装要求

Group standard TL 260

Issue 2015-03 Class. No.:50235

Descriptors:surface protection, corrosion protection, paint, metal surface

Paintwork of Metal Surfaces

Surface Protection Requirements

Previous issues

TL 260: 1975-08, 1980-06, 1985-05, 1986-12, 1994-02, 1995-09, 2004-05

Changes

The following changes have been made to TL 260: 2004-05:

–Section 3.2 "Basic requirements" and Table 2 in Section 3.6 "Coating thickness" expanded

–Surface protection (Ofl) type Ofl-x130 replaced by Ofl-x330

–Alternative pretreatment based on zirconium oxide added for Ofl-x330

–Requirements for the cutting burr added

–Corrosion resistance requirements (corrosion cycle test) for Ofl-x330 changed

–Applicable documents updated

Always use the latest version of this standard.

Page 1 of 11 This electronically generated standard is authentic and valid without signature.

The English translation is believed to be accurate. In case of discrepancies, the German version is alone authoritative and controlling.

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TL 260: 2015-03

Scope

This standard defines the requirements for corrosion protection of black paint finishes on metal sur‐faces (code letter x in Volkswagen standard VW 13750). It does not apply to paint finishes on zinc-coated metal surfaces (see Technical Supply Specification TL 227), to decorative protective coat‐ings (see TL 218 and TL 52451), or to paint finishes on chassis parts (see TL 262).Description

As per VW 13750, section 2.Requirements

Surface protection types

The surface protection types listed in table 1 apply.

Table 1

Surface protection type Characteristics

Ofl-x010

No special coating method requirements; permissible only after agreement with Volkswagen Materials Engineering (GQL-M/1) and/or Audi Materials Engineering (I/GQ-3) and the appropriate Design Engineering department in each case;

no corrosion protection requirements.

Ofl-x100, Ofl-x300,Ofl-x600Pretreatment not specified (not possible due to manufacturing reasons);Single-layer liquid paint by any method, alternatively with cathodic electro‐coat (KTL).

Ofl-x330

Alternative pretreatment (based on zirconium oxide), zinc-phosphated,iron-phosphated, or manganese-phosphated, or with tricationic phosphat‐ing;

Single-layer liquid paint by any method, alternatively KTL (e.g., for propeller shafts).

Ofl-x630

Zinc-phosphated or with tricationic phosphating, KTL;

Thick-layer KTL (D-KTL) permissible following agreement with Volkswagen Materials Engineering (GQL-M/1) and/or Audi Materials Engineering (I/GQ-3).

Ofl-x631Zinc-phosphated or with tricationic phosphating, double-layer paint (dip +spray paint).

Ofl-x634

Zinc-phosphated or with tricationic phosphating, KTL; D-KTL (e.g., trailer hitch)

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