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Các tiêu chuẩn đánh giá chất lượng giấy là gì ?

(Ngày đăng:

A PHP Error was encountered

Severity: Warning

Message: strtotime(): It is not safe to rely on the system's timezone settings. You are *required* to use the date.timezone setting or the date_default_timezone_set() function. In case you used any of those methods and you are still getting this warning, you most likely misspelled the timezone identifier. We selected the timezone 'UTC' for now, but please set date.timezone to select your timezone.

Filename: page/chi-tiet-tin-tuc.php

Line Number: 16

A PHP Error was encountered

Severity: Warning

Message: date(): It is not safe to rely on the system's timezone settings. You are *required* to use the date.timezone setting or the date_default_timezone_set() function. In case you used any of those methods and you are still getting this warning, you most likely misspelled the timezone identifier. We selected the timezone 'UTC' for now, but please set date.timezone to select your timezone.

Filename: page/chi-tiet-tin-tuc.php

Line Number: 16

29-07-2015)
Các tiêu chuẩn dùng để đánh giá chất lượng giấy bao gồm: độ trắng, định lượng giấy, độ dày, độ cứng, độ đục, độ trong, độ bền xé, chiều dài đứt, độ ẩm, độ hút nước, độ kiềm, độ sần, độ nhám, độ tro và khối lượng riêng.


Theo định lượng

        - Giấy lụa, giấy mỏng: ≤40 g/m²
        - Giấy: 40 - 120 g/m²
        - Giấy bìa: 120 - 200 g/m²
        - Bìa: >200 g/m²

Theo màu sắc

        - Nâu: giấy chưa tẩy trắng
        - Trắng: giấy đã tẩy trắng
        - Giấy màu: giấy đã tẩy trắng và nhuộm màu dye hoặc pigment.

Theo ứng dụng

        - Công nghiệp: giấy bao bì, giấy gói, giấy lọc, giấy cách điện...
        - Văn hóa: giấy viết, giấy in, giấy báo, giấy in tiền...
        - Lương thực: giấy gói thực phẩm, giấy gói kẹo, giấy túi chè...

Theo vật liệu

        - Sợi gỗ: giấy sản xuất từ sợi gỗ
        - Nông sản: rơm, cỏ...
        - Tái chế: rác thải hoặc bột giấy thứ cấp

Theo xử lý bề mặt

        - Giấy tráng: tráng cao lanh hoặc các hợp chất vô cơ khác
        - Giấy không tráng: không tráng cao lanh hoặc các hợp chất vô cơ khác
        - Giấy tráng nhôm, thiếc, hợp chất cao phân tử...

Theo kỹ thuật kết thúc quá trình sản xuất

        - Giấy cán láng và siêu cán láng
        - Giấy tráng men
        - Giấy có bề mặt được làm bóng 1 mặt hoặc cả 2 mặt

 

 

 

Sưu tầm

Tin khác

  • NGÀNH NÀO CŨNG CÓ HÀNG HÓA ĐƯỢC BỎ THUẾ NHẬP KHẨU (Ngày đăng :

    A PHP Error was encountered

    Severity: Warning

    Message: strtotime(): It is not safe to rely on the system's timezone settings. You are *required* to use the date.timezone setting or the date_default_timezone_set() function. In case you used any of those methods and you are still getting this warning, you most likely misspelled the timezone identifier. We selected the timezone 'UTC' for now, but please set date.timezone to select your timezone.

    Filename: page/chi-tiet-tin-tuc.php

    Line Number: 29

    A PHP Error was encountered

    Severity: Warning

    Message: date(): It is not safe to rely on the system's timezone settings. You are *required* to use the date.timezone setting or the date_default_timezone_set() function. In case you used any of those methods and you are still getting this warning, you most likely misspelled the timezone identifier. We selected the timezone 'UTC' for now, but please set date.timezone to select your timezone.

    Filename: page/chi-tiet-tin-tuc.php

    Line Number: 29

    29-07-2015)
  • Nhược điểm mới về quy định sử dụng hóa đơn (Ngày đăng :

    A PHP Error was encountered

    Severity: Warning

    Message: strtotime(): It is not safe to rely on the system's timezone settings. You are *required* to use the date.timezone setting or the date_default_timezone_set() function. In case you used any of those methods and you are still getting this warning, you most likely misspelled the timezone identifier. We selected the timezone 'UTC' for now, but please set date.timezone to select your timezone.

    Filename: page/chi-tiet-tin-tuc.php

    Line Number: 29

    A PHP Error was encountered

    Severity: Warning

    Message: date(): It is not safe to rely on the system's timezone settings. You are *required* to use the date.timezone setting or the date_default_timezone_set() function. In case you used any of those methods and you are still getting this warning, you most likely misspelled the timezone identifier. We selected the timezone 'UTC' for now, but please set date.timezone to select your timezone.

    Filename: page/chi-tiet-tin-tuc.php

    Line Number: 29

    29-07-2015)
  • HƯỚNG DẪN KHẮC PHỤC LỖI KẸT GIẤY CỦA MÁY PHOTOCOPY (Ngày đăng :

    A PHP Error was encountered

    Severity: Warning

    Message: strtotime(): It is not safe to rely on the system's timezone settings. You are *required* to use the date.timezone setting or the date_default_timezone_set() function. In case you used any of those methods and you are still getting this warning, you most likely misspelled the timezone identifier. We selected the timezone 'UTC' for now, but please set date.timezone to select your timezone.

    Filename: page/chi-tiet-tin-tuc.php

    Line Number: 29

    A PHP Error was encountered

    Severity: Warning

    Message: date(): It is not safe to rely on the system's timezone settings. You are *required* to use the date.timezone setting or the date_default_timezone_set() function. In case you used any of those methods and you are still getting this warning, you most likely misspelled the timezone identifier. We selected the timezone 'UTC' for now, but please set date.timezone to select your timezone.

    Filename: page/chi-tiet-tin-tuc.php

    Line Number: 29

    29-07-2015)
  • Biến giấy vụn thành tiền (Ngày đăng :

    A PHP Error was encountered

    Severity: Warning

    Message: strtotime(): It is not safe to rely on the system's timezone settings. You are *required* to use the date.timezone setting or the date_default_timezone_set() function. In case you used any of those methods and you are still getting this warning, you most likely misspelled the timezone identifier. We selected the timezone 'UTC' for now, but please set date.timezone to select your timezone.

    Filename: page/chi-tiet-tin-tuc.php

    Line Number: 29

    A PHP Error was encountered

    Severity: Warning

    Message: date(): It is not safe to rely on the system's timezone settings. You are *required* to use the date.timezone setting or the date_default_timezone_set() function. In case you used any of those methods and you are still getting this warning, you most likely misspelled the timezone identifier. We selected the timezone 'UTC' for now, but please set date.timezone to select your timezone.

    Filename: page/chi-tiet-tin-tuc.php

    Line Number: 29

    29-07-2015)
  • Giới thiệu máy xeo giấy Tissue công nghệ TAD (Ngày đăng :

    A PHP Error was encountered

    Severity: Warning

    Message: strtotime(): It is not safe to rely on the system's timezone settings. You are *required* to use the date.timezone setting or the date_default_timezone_set() function. In case you used any of those methods and you are still getting this warning, you most likely misspelled the timezone identifier. We selected the timezone 'UTC' for now, but please set date.timezone to select your timezone.

    Filename: page/chi-tiet-tin-tuc.php

    Line Number: 29

    A PHP Error was encountered

    Severity: Warning

    Message: date(): It is not safe to rely on the system's timezone settings. You are *required* to use the date.timezone setting or the date_default_timezone_set() function. In case you used any of those methods and you are still getting this warning, you most likely misspelled the timezone identifier. We selected the timezone 'UTC' for now, but please set date.timezone to select your timezone.

    Filename: page/chi-tiet-tin-tuc.php

    Line Number: 29

    29-07-2015)

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