Bmc silver bowl

Heavy-duty truck headlights,it can be customized according to customer needs.

Specification

Undeclared tolerance table

Size

Tolerance

Six times

±0.2mm

6mm-60--

±0.3mm

60mm-120mm

±0.5mm

120mm-300mm

±0.8mm

300mm-60mm

±1.0mm

60mm-1000mm

±1.5mm

Above 1000y

±2.0mm

Draft Angle

Feature

1、The product surface shall be free of flash and crack, the internal surface shall be vacuum aluminized, and the aluminized layer shall be free of defects such as blackening, coloring, exposure, orange peel, stain, air mark, shrink- age mark, etc;

2The adhesion test of the aluminum coating of the reflector and the high temperature storage test of the reflector meet the requirements of ISO 2409;

3High temperature: 180 , 1h, no discoloration or peeling;

Cracking test: after the reflector is placed at a high temperature of 180 ℃ at room temperature, drop 1KH2SO4 solution, 1KKOH solution and 3KNaCL solution, and no aluminum layer shall fall off within 10min;

Adhesion: 1 for use × 1 Scratch the aluminum layer surface with a reticle knife into 1 × 1. The number of squares shall not be less than six. The surface of the aluminum coating shall not fall off when it is glued with tape. The aluminum coating shall be qualified when it falls off below 5% in the hundred grid test;

4、The basic wall thickness of the product t=2.5mm;

5Product weight: 400 ± 10go

Production


Bmc silver bowl
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