产品介绍
普通玻璃纸——平板纸
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定量范围21—35g/m2的普通玻璃纸是由天然纤维素经碱化、黄化、成型处理而制得，具有卓越的高光泽和透明性，抗张强度和伸长率优良，对化学品、各种油脂和细菌具有极高的阻抗和防透功能。显著的环保特点：在土壤中可快速降解，对环境不造成二次污染。
普通平板玻璃纸是食品、药材、茶叶、电池、烟草等商品的优质包装、装潢材料。
PT-CELLOPHANE IN SHEET
PT-cellophane, with substance range of 27gsm-60gsm,is derived from wood pulp, a natural fibrous form of cellulose, by the process of alkalization, xanthation and casting. This film has excellent gloss and transparency, high tensile and elongation, and high resistance to a wide range of chemicals, is greaseproof, oil proof and is impervious to bacteria. Amongst the most important properties of this film is its rapid degradation when buried in the soil, so it is kind to human being and environments. For this reason , PT-cellophane film is a kind of superior packing and decorating material for foodstuff , medicines , tea , battery , cigarettes and tobacco , etc .
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ITEM 指标名称 |
UNIT 单位 |
SPECIFICATION 规定 |
TESTING.METHOD 测试方法 | |
| A等 | B等 | |||
|
SUBSTANCE 定量 |
g/m² |
30±2.0 40±2.0 50±2.5 60±3.0 |
GB 451.2 | |
|
THICKNESS VARIATION ALONG WIDTH DIRECTION 厚度幅间差 LESS THAN ≤40g/m² 不大于 ≥45g/m² |
μm |
2 3 |
2 3 |
GB 451.3 |
|
TEARING INDEX IN MD MORE THAN 纵向撕裂指数 不高于 |
mN.m²/g | 1.6 | 1.1 | GB 455.1 |
|
SULPHUR CONTENT LESS THAN 含硫量 不高于 |
％ | 0.03 | 0.03 | |
|
ELONGATION 伸长率 MORE THAN MD 纵向 不低于 TD 横向 |
% | 10
20 |
10
20 |
GB 453 |
|
AUTI-BLOCKING PROPERTY MORE THAN 抗粘性 不低于 |
%r.h | 75 | 70 | QB 1013-91 |
| PH | 6.0-8.0 | |||
|
MOISTURE 水分 |
% | 8.0±1.5 | GB 462 | |
彩色玻璃纸
与平板或卷筒玻璃纸具有相同物理指标、定量和规格，或者按用户需求商定。其色彩包括红、绿、蓝、黄、橙等，色彩均匀、艳丽。
COLOUR CELLOPHANE
With the same specifications as the sheet or roll cellophane is available in even and delightful dyeing of red, green, yellow, orange and any other color designated by the buyer.