GB/T 3854 - Barcol Hardness of Reinforced Plastics

Standard System: GB (Chinese National Standard)
Current Edition: 2017
Product Category: FRP Pipe - General
Test Category: Physical Properties
Equivalent Standards: -

Description

GB/T 3854-2017, Barcol Hardness Test Method for Reinforced Plastics. Specifies surface hardness measurement of reinforced plastics using Barcol Impressor Model 934-1. The most widely used field rapid screening method for FRP pipe cure assessment - Barcol readings below 40 typically indicate insufficient crosslink density; batch rejection recommended.

Edition Notes

This is the current active edition.

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

Same Category

RP 15TL4 D2290 D2583 D2992 D2996 D3418 D3567 1614 T 29165 T 29165.1 T 29165.2 T 29165.3

More GB Standards

T 13657 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 39096 T 5349 T 5351 T 8806

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How to Apply GB/T 3854 in Inspection

Applying GB/T 3854 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 3854 - Barcol Hardness of Reinforced Plastics

Description

Edition Notes

Related Standards

Same Category

More GB Standards