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This standard is developed in accordance with the rules given in GB/T 1.1-2009.
Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. The issuing body of this standard shall not be held responsible for identifying any or all such patent rights.
This standard was proposed by and is under the jurisdiction of the National Technical Committee on Semiconductor Equipment and Materials of Standardization Administration of China (SAC/TC 203).
Inks for optical fiber coloring
1 Scope
This standard specifies the requirements, test methods, inspection rules, marking, packaging, transportation and storage of inks for optical fiber coloring.
This standard is applicable to inks for ultraviolet (UV) curing optical fiber coloring (hereinafter referred to as coloring ink).
2 Normative references
The following referenced documents are indispensable for the application of this standard. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced documents (including any amendments) applies.
GB/T 191-2008 Packaging—Pictorial marking for handling of goods
GB/T 1040.1-2006 Plastics—Determination of tensile properties—Part 1: General principles
GB/T 1040.2-2006 Plastics—Determination of tensile properties—Part 2: Test conditions for moulding and extrusion plastics
GB/T 1040.3-2006 Plastics—Determination of tensile properties—Part 3: Test conditions for films and sheets
GB/T 1725-2007 Paints, varnishes and plastics—Determination of non-volatile-matter content
GB/T 4472-2011 Determination of density and relative density for chemical products
GB/T 9751.1-2008 Paints and varnishes—Determination of viscosity using rotary viscometer—Part 1: Cone-and-plate viscometer operated at high rate of share
GB/T 12004.4-2003 Polyvinyl chloride paste—Determination of apparent viscosity by the Brookfield test method
GB/T 13217.3-2008 Test method for fineness of grind of liquid ink
GB/T 26572-2011 Requirements of concentration limits for certain restricted substances in electrical and electronic products
3 Requirements
3.1 Appearance
Coloring ink shall be free from obvious color difference, impurities, visible pigment particles and solidified homogeneous liquid.
3.2 Color
The 12 commonly used codes of coloring ink are as shown in Table 1, which may be distinguished by visual inspection, without obvious color difference.
The values of the coloring layer shall meet those specified in Annex A.
If not specified in Table 1, the color may be negotiated by the supplier and the demander.
Table 1 Color code
S.N. Color
1 Blue
2 Orange
3 Green
4 Brown
5 Grey
6 White
7 Red
8 Black
9 Yellow
10 Purple
11 Pink
12 Turquoise
3.3 Physical and chemical properties
The main physical and chemical properties of coloring ink are shown in Table 2.
Table 2 Physical and chemical properties of coloring ink
S.N. Property Unit Technical requirements
Before curing
1 Viscosity, 25°C mPa·s 1,500-4,000
2 Density, 20°C g/cm3 1.00-1.35
3 Fineness, 23°C μm <5
After curing a
4 Elastic modulus MPa ≥200
5 Elongation at break % 2-10
6 Tensile strength MPa ≥15
7 Curing rate, radiation dose when relative curing degree reaches 95% J/cm2 ≤1.0
8 Thermal stability, weight change after aging for 56d 85°C % ≤12
85°C, 85%RH ≤15
a The curing state when liquid pigment with a certain film thickness shows relative curing degree of 95% or above under UV.
3.4 Compatibility
The main materials in contact with coloring ink, such as fiber paste or cable paste, shall be tested according to 4.9. After the test, the coating surface shall be free from decolorization or obvious discoloration.
3.5 High- and low- temperature property
After curing, the coating film shall be tested according to 4.10, and it shall be free from obvious fading and cracks after the test.
3.6 Solvent resistance of coloring layer
After curing, the coating film shall be tested according to 4.11, and it shall be free from fading and decolorization after wiped with corresponding reagents for specified times.
3.7 Environmental protection property
It shall meet the requirements of GB/T 26572-2011.
4 Test methods
4.1 Appearance
Under the indoor natural light, the bottled ink mixed well is poured into the glass dish with a diameter of 100mm, and visually inspected within 10s.
4.2 Color
4.2.1 Color code
The color of coloring ink shall be compared by color cards during visual inspection under natural light (or fluorescent lamp). Arbitration shall be made based on the munsell coordinates specified in Table A.2.
4.2.2 Color of coloring layer
4.2.2.1 Apparatus
The apparatus are as follows:
a) UV illuminance meter;
b) UV light;
c) Glass slide: 25.4mm × 76.2mm;
d) Paint scraper: film thickness of (30±10)μm;
e) Spectrophotometer.
4.2.2.2 Sample preparation
The sample is made into a thin film with a thickness of (30±10)μm on a glass slide, and is cured by UV dose with a thickness of (0.55±0.05) J/cm2 for measurement.
4.2.2.3 Test steps
The color code of coloring ink may be measured by spectrophotometer to measure one of L, a, b or H, V, C. The test steps are as follows:
a) Fold the cured sample film into 3 layers to make it opaque for use;
b) Open the spectrophotometer and calibrate the sample by the whiteboard;
c) Test the sample and record the L, a, b values displayed on the instrument;
d) Test the sample and record the H, V, C values displayed on the instrument.
4.3 Viscosity
The viscosity of liquid ink shall be determined according to GB/T 9751.1-2008 or GB/T 12004.4-2003 under the test temperature of (25±2)°C. Arbitration is made according to GB/T 9751.1-2008.
Foreword i
1 Scope
2 Normative references
3 Requirements
3.1 Appearance
3.2 Color
3.3 Physical and chemical properties
3.4 Compatibility
3.5 High- and low- temperature property
3.6 Solvent resistance of coloring layer
3.7 Environmental protection property
4 Test methods
4.1 Appearance
4.2 Color
4.2.1 Color code
4.2.2 Color of coloring layer
4.3 Viscosity
4.4 Density
4.5 Fineness
4.6 Mechanical properties (elastic modulus, elongation at breaking, tensile strength)
4.7 Curing rate
4.7.1 General
4.7.2 Instruments and materials
4.7.3 Sample preparation
4.7.4 Test conditions
4.7.5 Operation steps
4.7.6 Test results
4.8 Thermal stability
4.8.1 General
4.8.2 Instruments and materials
4.8.3 Sample preparation and conditioning
4.8.4 Test conditions
4.8.5 Operation steps
4.8.6 Result calculation
4.9 Compatibility
4.9.1 Apparatus
4.9.2 Specimen preparation
4.9.3 Operation steps
4.10 High- and low- temperature property
4.11 Solvent resistance of coloring layer
4.12 Environmental protection property
4.13 Packaging inspection
5 Inspection rules
5.1 General rules
5.2 Environmental conditions
5.3 Type inspection
5.3.1 Inspection items
5.3.2 Inspection frequency
5.3.3 Judgment rules
5.4 Quality conformance inspection
5.4.1 Inspection lot
5.4.2 Inspection items
5.4.3 Sampling scheme
5.4.4 Judgment rules
6 Marking, packaging, transportation and storage
6.1 Marking
6.2 Packaging
6.3 Transportation and storage
Annex A (Normative) Common color system
A.1 Pantone
A.2 Munsell
