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Database: 365,228(8 Aug 2026)
normal indices scopethis method method polypropylene isotactic index indices chestnut germplasm resources introduction standard framework phase sensitive track circuit progress note ― death cases discussion records introductionthis standard
GB/T 2412-1980 in English

GB/T 2412-1980 in English

SUPERSEDED

Polypropylene--Method of determination of normal indices

  • Issued on:1980-12-31
  • Implemented on:1981-09-01
  • File Format:PDF
  • Delivery:Via email within 1~3 business days
Price(USD): $220.00
$214.00
Standard No: GB/T 2412-1980
Document status: SUPERSEDED
Superseded by: GB/T 2412-2008 Plastics - Polypropylene(PP)and propylene copolymer thermoplastics- Determination of isotactic index
Superseded on: 2009-02-01
Title in English: Polypropylene--Method of determination of normal indices
Title in Chinese: 聚丙烯等规指数测试方法
Language: English
File Format: Electronic (PDF)
Delivery: Via email within 1~3 business days
Issued on: 1980-12-31
Implemented on: 1981-09-01
ICS Classification: 83.080-Plastics
Chinese Classification: G32-Synthetic resin and plastic
Professional Classification: GB-National Standard
Related Keywords: normal indices scopethis method
method
polypropylene
isotactic index
indices
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《GB/T 2412-1980聚丙烯等规指数测试方法》由TC15(全国塑料标准化技术委员会)归口,TC15SC1(全国塑料标准化技术委员会石化塑料树脂产品分会)执行,主管部门为中国石油和化学工业联合会。


Scope

This method is suitable for testing the isotactic index of polypropylene. Under the test conditions of this method, the isotactic index is specified as the percentage of the weight of polypropylene insoluble in boiling n-heptane to the weight of the sample.

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