Acrylic-based polymer waterproofing material - Method of tests, Part 1: Determination of solid content

IS 13435 Part 1: Scope & Key Specifications

• Scope:
  Covers methods of test for acrylic-based polymer waterproofing materials, specifically Part 1 for determination of solid content.

• Solid Content Determination Procedure (Clause 1.5):

  1. Take 1.0 - 1.5 g sample on tin plate lid, weigh as W1.
  2. Dry sample in oven at 140°C for 30 minutes.
  3. Cool in desiccator for 10 minutes.
  4. Weigh dried residue as W2 (accuracy ±0.001 g).
  5. Calculate solid content (%) as:

  [ \text{Solid Content} = \frac{W_2}{W_1} \times 100 ]

• Additional Notes:

  • Standard Mark use governed by BIS Act 1986.
  • BIS ensures continuous quality control and inspection.
  • Periodic review and amendment of standards.

Summary Table: Solid Content Test

This scope ensures consistent quality evaluation of acrylic waterproofing polymers by standardizing solid content measurement.

IS 13435 Part 1: Definition & Key Specifications

• Definition (Clause 2.1): Defines terms related to acrylic-based polymer waterproofing materials for uniform understanding in testing and specifications.

• Solid Content Determination (Clause 1.5):
  Procedure to find solid content (%) of the polymer:

  1. Weigh sample on tin plate lid: W1 (1.0-1.5 g)
  2. Dry at 140°C for 30 min, cool 10 min in desiccator
  3. Weigh residue: W2
  4. Calculate solid content:

  [ \text{Solid Content (%)} = \frac{W2}{W1} \times 100 ]

• Standard Mark Usage: BIS certification ensures product quality per IS standards with continuous surveillance.

• Scope: Part 1 covers solid content; other parts cover coarse particles, water uptake, pH, film forming temperature, alkali resistance.

Summary Table: Solid Content Test

This method ensures consistent evaluation of acrylic polymer waterproofing materials' solid content as per IS 13435 Part 1.

IS 13435 Part 1: Apparatus & Procedure for Determination of Solid Content

Apparatus Specifications (Clause 2.2):

• Tin Plate Lid: Uncoated, diameter = 75 ± 5 mm, height ≥ 5 mm.
• Analytical Balance: Accuracy = 0.001 g.
• Desiccator: With calcium chloride or silica gel as desiccant.
• Oven: Thermostat controlled, temperature = 160 ± 5°C.

Test Procedure (Clause 1.5):

1. Dry tin plate lid until constant weight; record weight W (±0.001 g).
2. Take 1.0–1.5 g sample on lid; record weight W1.
3. Spread sample uniformly; dry in oven at 140°C for 30 minutes.
4. Cool in desiccator for 10 minutes.
5. Weigh residue; record weight W2 (±0.001 g).

Key Formula:

[ \text{Solid Content (%)} = \frac{W_2 - W}{W_1 - W} \times 100 ]

Where:

• (W) = weight of empty tin plate lid
• (W_1) = weight of lid + wet sample
• (W_2) = weight of lid + dried residue

This method ensures precise determination of non-volatile matter in acrylic waterproofing polymers per IS 13435 Part 1.

IS 13435 Part 1: Sampling & Solid Content Determination

Key Specifications & Procedure (Clause 1.5)

• Sample Weight (W1): Take 1.0–1.5 g of product on a tin plate lid (75±5 mm diameter, ≥5 mm height).
• Drying Conditions: Oven dry at 140°C for 30 minutes.
• Cooling: Cool in desiccator for 10 minutes.
• Residue Weight (W2): Weigh residue with accuracy ±0.001 g.

Formula for Solid Content (%):

[ \text{Solid Content} = \frac{W_2 - W}{W_1 - W} \times 100 ]

Where:

• (W) = Weight of empty tin plate lid
• (W_1) = Weight of tin plate lid + wet sample
• (W_2) = Weight of tin plate lid + dried residue

Apparatus Required (Clause 2.2)

• Uncoated tin plate lid (75±5 mm diameter, ≥5 mm height)
• Analytical balance (accuracy 0.001 g)
• Desiccator (with calcium chloride or silica gel)
• Oven (thermostat controlled, up to 160 ± 5°C)

Summary Table:

This method ensures accurate determination of non-volatile solid content in acrylic waterproofing materials, critical for quality control and compliance with BIS standards.

IS 13435 Part 1: Test Procedure for Determination of Solid Content

Key Specifications & Apparatus

• Sample weight: 1.0 - 1.5 g
• Tin plate lid: Diameter 75 ± 5 mm, height ≥ 5 mm (uncoated)
• Oven temperature: 140°C ± 5°C
• Drying time: 30 minutes
• Cooling time: 10 minutes in desiccator (with calcium chloride or silica gel)
• Balance accuracy: ±0.001 g

Test Procedure

1. Dry tin plate lid to constant weight; record weight W.
2. Place sample (1.0-1.5 g) on lid; record initial weight W1.
3. Spread sample evenly; dry in oven at 140°C for 30 min.
4. Cool in desiccator for 10 min.
5. Weigh residue; record weight W2.

Formula for Solid Content (%)

[ \text{Solid Content} = \frac{W_2 - W}{W_1 - W} \times 100 ]

Where:

• (W) = weight of tin plate lid
• (W_1) = weight of lid + wet sample
• (W_2) = weight of lid + dried residue

This method ensures accurate determination of non-volatile solids in acrylic waterproofing materials following IS 13435 Part 1.

IS 13435 Part 1: Calculation of Solid Content in Acrylic Polymer Waterproofing Material

Key Formula:

To determine the solid content (%), use:

[ \text{Solid Content (%)} = \frac{W_2 - W}{W_1 - W} \times 100 ]

Where:

• W1 = Weight of tin plate lid + wet sample (g)
• W2 = Weight of tin plate lid + dried residue (g)
• W = Weight of empty tin plate lid (g)

Procedure Summary (Clause 1.5):

• Take 1.0 to 1.5 g of sample on a tin plate lid.
• Weigh to get W1.
• Dry at 140°C for 30 minutes.
• Cool in desiccator for 10 minutes.
• Weigh dried residue to get W2.
• Calculate solid content using the formula above.

Notes:

• Accuracy of weighing should be ±0.001 g.
• This method ensures consistency in quality control of acrylic waterproofing materials.
• Follow IS 2:1960 for rounding off results.

flowchart TD
    A[Sample on tin plate lid] --> B[Weigh (W1)]
    B --> C[Dry at 140°C for 30 min]
    C --> D[Cool in desiccator 10 min]
    D --> E[Weigh dried residue (W2)]
    E --> F[Calculate Solid Content]

This formula and procedure provide a standardized way to assess the solid content, critical for product performance and compliance.

IS 13435 Part 1: Reporting of Results for Solid Content Determination

Key Formula:

[ \text{Solid Content (%)} = \frac{W_2 - W}{W_1 - W} \times 100 ]

• (W) = Weight of dry tin plate lid (g)
• (W_1) = Weight of tin plate + wet sample (g)
• (W_2) = Weight of tin plate + dried residue (g)

Test Procedure Summary:

• Sample size: 1.0 to 1.5 g of product on tin plate lid.
• Dry at 140°C for 30 minutes.
• Cool in desiccator for 10 minutes.
• Weigh residue to 0.001 g accuracy.

Apparatus:

• Tin plate lid: Diameter 75 ± 5 mm, height ≥ 5 mm.
• Analytical balance: Accuracy 0.001 g.
• Oven: Thermostat controlled, up to 160 ± 5°C.
• Desiccator with calcium chloride or silica gel.

Reporting:

• Results rounded as per IS 2:1960 rules.
• Express solid content as % non-volatile matter.

flowchart TD
    A[Weigh dry tin plate lid (W)] --> B[Add 1.0-1.5 g sample (W1)]
    B --> C[Dry at 140°C for 30 min]
    C --> D[Cool in desiccator for 10 min]
    D --> E[Weigh residue (W2)]
    E --> F[Calculate Solid Content %]

This method ensures consistent reporting of acrylic polymer waterproofing materials' solid content.

IS 13435 Part 1: Precision and Accuracy for Solid Content Determination

Key Procedure (Clause 1.5)

• Take 1.0-1.5 g sample on tin plate lid; record weight W1.
• Dry sample in oven at 140°C for 30 minutes.
• Cool in desiccator for 10 minutes.
• Weigh residue to 0.001 g accuracy, record as W2.

Formula for Solid Content (%)

[ \text{Solid Content} = \frac{W_2}{W_1} \times 100 ]

Accuracy Notes

• Weights must be measured with precision of ±0.001 g.
• Oven temperature and drying time must be strictly controlled for repeatability.
• Cooling in desiccator avoids moisture gain affecting weight.

Summary Table

This method ensures precision and accuracy by controlling sample size, drying conditions, and weighing sensitivity, critical for quality control of acrylic polymer waterproofing materials.

flowchart TD
    A[Sample 1.0-1.5g (W1)] --> B[Spread on tin plate lid]
    B --> C[Dry at 140°C for 30 min]
    C --> D[Cool in desiccator for 10 min]
    D --> E[Weigh residue (W2) to ±0.001g]
    E --> F[Calculate Solid Content = (W2/W1)*100%]

IS 13435 Part 1: Notes on Test Conditions for Solid Content Determination

Key Test Procedure (Clause 1.5 & 2.2)

1. Sample Preparation:

   • Take 1.0 to 1.5 g of the product on a tin plate lid (diameter: 75 ± 5 mm, height ≥ 5 mm).
   • Record initial weight of lid + sample as W1 (accuracy ±0.001 g).

2. Drying:

   • Spread sample uniformly on the lid.
   • Dry in an oven at 140°C ± 5°C for 30 minutes.
   • Cool in a desiccator with calcium chloride or silica gel for 10 minutes.

3. Final Weight:

   • Weigh residue + lid as W2 (accuracy ±0.001 g).

4. Calculation of Solid Content:

[ \text{Solid Content} (%) = \frac{W_2 - W}{W_1 - W} \times 100 ]

Where:

• (W) = weight of empty tin plate lid
• (W_1) = weight of lid + wet sample
• (W_2) = weight of lid + dried residue

Apparatus Summary:

• Tin plate lid (75 ± 5 mm diameter, ≥5 mm height)
• Analytical balance (±0.001 g accuracy)
• Oven (up to 160 ± 5°C)
• Desiccator with desiccant (CaCl₂ or silica gel)

This standardized drying and weighing method ensures accurate determination of non-volatile solid content in acrylic polymer waterproofing materials, critical for quality control and compliance with BIS standards.

IS 13435 Part 1 – Key Formula and Specifications for Solid Content Determination

Solid Content (%) is calculated by drying a known weight of sample and measuring residue weight:

[ \text{Solid Content (%)} = \frac{W_2 - W}{W_1 - W} \times 100 ]

Where:

• W1 = Weight of tin plate lid + sample (g)
• W2 = Weight of tin plate lid + dried residue (g)
• W = Weight of empty tin plate lid (g)

Procedure Summary (Clause 1.5)

• Take 1.0–1.5 g sample on tin plate lid; record weight W1.
• Spread sample uniformly.
• Dry at 140°C for 30 minutes.
• Cool in desiccator for 10 minutes.
• Weigh residue to 0.001 g accuracy (W2).
• Calculate solid content using formula above.

Additional Notes

• Standard Mark usage is governed by BIS Act, 1986.
• Indian Standards are periodically reviewed; users should confirm they have the latest edition.
• For rounding off numerical values, refer IS 2:1960.

flowchart TD
    A[Sample on Tin Plate Lid] --> B[Weigh (W1)]
    B --> C[Dry at 140°C for 30 mins]
    C --> D[Cool in Desiccator 10 mins]
    D --> E[Weigh Residue (W2)]
    E --> F[Calculate Solid Content %]

This ensures quality control for acrylic polymer waterproofing materials per IS 13435 Part 1.