GB/T 13657 - Bisphenol-A Type Epoxy Resins

Standard System: GB (Chinese National Standard)
Current Edition: 2011
Product Category: Raw Materials - Resins
Test Category: Chemical Properties
Equivalent Standards: -

Description

This test method for Raw Materials - Resins is published by GB. Current edition: 2011. LEISA Technology Laboratory is accredited for full-scope third-party testing per its latest edition.

Edition Notes

15 years old (2011). Raw material standard. Verify for updates.

RP 15TL4 Spec 15HR B557 B557M D1599 D2583 D3567 D638 1172 14692-1 14692-2 14692-3

Same Category

T 2577

More GB Standards

T 1446 T 18369 T 228.1 T 2577 T 2828.1 T 29165 T 29165.1 T 29165.2 T 29165.3 T 29165.4 T 3854 T 39096 T 5349 T 5351 T 8806

For formal third-party testing services, contact info@leisa.com.

How to Apply GB/T 13657 in Inspection

Applying GB/T 13657 starts with confirming the edition named in the contract, the product scope, and any purchaser-specific additions. Material system, dimensions, pressure or temperature rating, manufacturing route, and service environment should be mapped to the clauses that actually apply. Before testing, the inspection and test plan should define sampling frequency, specimen conditioning, calibrated equipment, witness points, acceptance criteria, and retest rules. A traceable report records sample and batch identity, the method and edition used, environmental conditions, raw observations, calculations, measurement uncertainty where relevant, deviations, and the decision against each requirement. This evidence chain supports purchasing acceptance, manufacturing release, engineering qualification, and dispute resolution. This page is an aid to discovery and interpretation; the current official publication remains the controlling source whenever its wording differs from this summary.

The sampling plan determines the population represented by the conclusion. Incoming inspection, first-article approval, type qualification, and production release carry different frequencies and risk levels; one selected specimen cannot stand in for a batch. Before shipment, confirm specimen count, dimensional tolerances, machining and end treatment, conditioning, and transport protection. During review, consider dispersion, failure mode, and raw curves as well as the reported average. Any anomaly should be investigated under a predefined retest rule so that an independent reviewer can reproduce the final decision.

GB/T 13657 - Bisphenol-A Type Epoxy Resins

Description

Edition Notes

Related Standards

Same Category

More GB Standards