T/CFA 0202101.2-2020 Active Group standards

T/CFA 0202101.2-2020 Mid-temperature model wax Part 2: Fill type

Publish Date: 2020-05-28 Implement Date: 2020-07-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

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Basic Information

Standard Code: T/CFA 0202101.2-2020

Standard Type: Group standards

Standard Status: Active

is_force_gb: no

CCS Name: Mechanical

ICS Name: The manufacturing molding process

Publish Date: 2020-05-28

Implement Date: 2020-07-01

Scope

Scope: This standard specifies the specifications, technical requirements, and test methods for filled medium-temperature model waxes, as well as inspection rules, testing methods, judgment rules, and marking, packaging, transportation, delivery acceptance, and storage. This standard applies to advanced structural composites made from petroleum wax, hydrocarbon-based synthetic waxes, or a mixture of the two, with resin as the base material. These composites are combined with toughening agents and one of the fillers, such as polymer micropowders, and are used in the injection molding process for high-precision investment casting. Main technical content: Technical indicators such as the polymer micropowder content, softening point, linear shrinkage rate, thermal stability, linear shrinkage rate after storage, flexural strength, and ash content of filled medium-temperature model waxes.