Detail of JT/T 230-1995

Introduction of JT/T 230-1995

Rubber belt of electrostatic conductivity for motor vehicle 1 Scope This standard specifies the classification, technical requirements, test method, inspection rules, marking, packaging, transportation, loading and unloading, and storage of rubber belt of electrostatic conductivity for motor vehicle [hereafter referred to as "the belt(s)"]. This standard is applicable to the belts installed to vehicles carrying flammable and dry goods such as oil tankers and liquefied petroleum gas tankers and other vehicles requiring static electricity removal. 2 Normative references The following standards contain provisions which, through reference in this standard, constitute provisions of this standard. At time of publication, the editions indicated were valid. All normative references are subject to revision, and parties to agreements based on this standard are encouraged to investigate the possibility of applying the latest editions of the normative standards indicated below. GB 191-90 Packaging — Pictorial markings for handling of goods GB/T 528-92 Rubber, vulcanized and thermoplastic — Determination of tensile properties GB 531-83 Rubber — Determination of shore A hardness GB 1682-82 Rubber, vulcanized — Determination of the brittleness temperature GB 1689-88 Rubber, vulcanized — Determination of abrasion resistance GB 2439-88 Conductive and antistatic rubber — Method of determination of resistivity GB 3511-88 Rubber vulcanized — The test method of resistance to natural weathering GB 6543-86 Corrugated box GB 11210-89 Rubber, vulcanized — Antistatic and conductive products — Determination of electrical resistance 3 Product classification 3.1 Product structure The belt is composed of conductive rubber belt, fixing piece, regulating device and counterweight piece, as shown in Figures 1 and 2. 3.2 Product type The belts are divided into three types according to vehicle types: Types A1 and A2: suitable for mini-trucks and cars, see Figure 1. Types B1 and B2: suitable for light-duty trucks and other light-duty vehicles, see Figure 1. Type C: suitable for medium-sized and above vehicles, see Figure 2. 3.3 Specifications and dimensions (length mm × width mm × thickness mm) Type A1: 500 × 20 × 6; Type A2: 500 × 23 × 6; Type B1: 600 × 28 × 6; Type B2: 600 × 32 × 6; Type C: 1600 × 55 × 8.

Contents of JT/T 230-1995

Foreword i 1 Scope 2 Normative references 3 Product classification 4 Technical requirements 5 Test methods 6 Inspection rules 7 Packaging, marking, transportation, loading and unloading, and storage