GB/T 43128-2023 in English

VALID

General technology specification for aerospace thermoplastic polyurethane elastomer intermediate film

Issued on:2023-09-07
Implemented on:2024-04-01
File Format:PDF
Delivery:Via email within 1~3 business days

Price(USD)： $320.00
$311.00

Standard No:	GB/T 43128-2023
Document status:	VALID
Title in English:	General technology specification for aerospace thermoplastic polyurethane elastomer intermediate film
Title in Chinese:	航空航天热塑性聚氨酯弹性体中间膜通用技术规范
Language:	English
File Format:	Electronic (PDF)
Delivery:	Via email within 1~3 business days
Issued on:	2023-09-07
Implemented on:	2024-04-01
ICS Classification:	49.025.99-Other materials
Chinese Classification:	V10-Basic standards for aviation and aerospace materials
Professional Classification:	GB-National Standard
Related Keywords:	thermoplastic polyurethane elastomer intermediate film introduction gb/t thermoplastic polyurethane elastomer thermoplastic polyurethane elastomer interlayers thermoplastic polyurethane elastomer interlayer aerospace performance indicators grade
Related Topics:	Elastomer Standard Aerospace polyurethane Aerospace polyurethane thermoplastic polyurethane Electric heating film technology

《GB/T 43128-2023航空航天热塑性聚氨酯弹性体中间膜通用技术规范》由TC435（全国航空器标准化技术委员会）归口，主管部门为国家标准委。

Introduction

GB/T 43128—2023: Interpretation of Technical Specifications for Thermoplastic Polyurethane Elastomer Interlayers for Aerospace

Performance indicators	Grade I requirements	Grade II requirements	Grade III requirements
Tensile strength (MPa)	≥50	≥42	≥35
Elongation at break (%)	≥500	≥500	≥500
Right-angle tear strength without cut (kN/m)	≥45	≥40	≥35

1. Background of standard formulation and analysis of technical evolution

GB/T 43128-2023 is mainly aimed at the general technical requirements of thermoplastic polyurethane elastomer interlayer used in the aerospace field. The formulation of this standard fills the gap in this field in China and solves the application needs of aerospace materials in high performance and harsh environments.

2. Comparative analysis of standard frameworks

This standard has detailed provisions from appearance quality, dimensional requirements to performance indicators (such as tensile strength, tear strength, etc.). The following is a comparative analysis with other relevant standards:

Dimensions	GB/T 43128—2023	International similar standards
Tensile strength requirements	≥50 MPa	Generally 40-60 MPa
Haze control	≤0.30%	Generally ≤0.50%
UV radiation resistance	No significant discoloration or bubbles	Requirements are consistent, but the test methods are slightly different

3. Implementation Suggestions

Thickness Gauge and Shore Hardness Tester should be selected in accordance with the standard requirements to ensure measurement accuracy. During the production process, special attention should be paid to the appearance quality control of TPU film (such as color spots, bubble defects), as well as the stability of high temperature and high pressure autoclaving process.

4. Summary

GB/T 43128-2023 standard provides a comprehensive technical basis for the quality control of thermoplastic polyurethane elastomer intermediate films for aerospace. Its strict performance requirements and scientific test methods will effectively improve product quality and application reliability.

More samples: GB 18306-2015 JC/T 2453-2018 JGJ 94-2008

Sample only — not a preview of GB/T 43128-2023