Nikalet RCC

Product catalog summary

Overview: The document provides technical specifications and usage guidelines for a rubber-based mold cleaner, NIKALET RCC, designed for removing mold stains during the epoxy molding process for semiconductor encapsulation.

Specifications:

Types: Three types of cleaning sheets (Type-1, Type-2, Type-3) with varying dimensions.
Viscosity: Measured at 100℃ with Mooney time of 4 minutes, rotor speed of 2.0 rpm, and preheat time of 1 minute.
Releasability and Odor: Evaluated on a five-stage scale, with 5th being easy to remove and 1st having few smells.
Evaluation Method: Conducted at 175℃ with clamping pressure of 30 kg/cm² and cure time of 300 seconds.

Properties:

Appearance: Available in gray and white colors.
Specific Gravity: Ranges from 1.0-1.2 depending on the type.
Molding Method: Compression molding is used.
Expansion: Varies between 45-110 mm.

Molding Conditions:

Temperature: 160-190℃
Cure Time: 2-5 minutes
Clamping Force: 8-60 tons
Mold Gap: 1-2 mm

Cleaning Process:

Steps: Placement, Clamping/Curing, and using RCC (I-Series) and ECR-T for effective cleaning.
Additives: Enhance the cleaning effect by dissolving stains on the mold surface.

Storage and Shelf Life: NIKALET RCC should be stored below 25℃, away from direct sunlight and humidity, with a shelf life of 6 months.

Recommendations: Nippon Carbide Industries Co., Inc. recommends using a combination of rubber type mold cleaner (NIKALET RCC) and transfer type mold cleaner (NIKALET ECR-T) for optimal results.

Catalog excerpts

RUBBER BASED MOLD CLEANER NIPPON CARBIDE INDUSTRIES CO.,INC.

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NIKALET RCC (Rubber Type Cleaner) The cleaning sheet NIKALET RCC is a mold rubber type cleaner for the removal of mold stains which happen during the molding epoxy molding for encapsulation of semiconductors such as integrated circuits, diodes, transistors, etc. Property of NIKALET RCC (Cleaning Compound) Appearance Specific Gravity Molding Method Viscosity 1) Releasability 2) Odor 3) Expansion 4) 1) Viscosity : Mooney Viscometer SMV-300RT(SHIMADZU) Temp : 100 Time 1min : It evaluated by ﬁve stages. 5th is easy remove. : It evaluated by ﬁve stages. 1st is few smell, 5th is strong odor. Mooney...

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Molding Conditions Mold Temperature Cure Time Clamping Force Cleaning Scheme a: Dissolution Effect Rubber Compound Rubber Mold Solved Stain Stain Solved stain Cleaning agent dissolve the stain on the mold surface. The dissolved stain together with the cured rubber is able to release from mold surface b: Additives Effect Rubber Compound Rubber Mold Additives Cleaning Agent Solved Stain Stain Mold Additives included in Nikalet RCC increases the cleaning effect of the cleaning agent, hence more stain is being removed from mold surface.

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Step 3 Open the mold / Taking out Clamping /Curing Our Recommendation Cleaning Procedure Nippon Carbide Industries Co., Inc. r ecommends the cleaning process which is the combination using rubber type mold cleaner (NIKALET RCC) and transfer type mold cleaner (NIKALET ECR-T). The details of the cleaning method to recommend are as follows; Shelf Life To avoid degradation N IKALET RCC must be stored at under 25. with no direct sunlight or humidity. The shelf-life of NIKALET RCC under this condition is 6 months. 2304 Bedok Reservoir Road, Bedok Industrial Park C, Singapore 479223 Tel: +65 6444 2678...

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