Crystal Clear® 220

About
Crystal Clear® 220 & 221 are water white clear resins made specifically for applications that require absolute clarity. These are “heat cure” systems and are harder versions of our popular Crystal Clear® Series resins (Shore 85D). Cured castings are UV Resistant (resists yellowing due to ultra-violet light exposure) and are not brittle. Vibrant colors and color effects are achieved by adding pigment dispersions. Applications include encapsulation, making prototype models, lenses, sculpture reproductions, decorative cast pieces, jewelry, special effects and props. CAUTION: NOT FOR HOME USE. THIS PRODUCT IS FOR INDUSTRIAL USE ONLY. Proper ventilation, A NIOSH Approved Respirator and Protective Clothing (gloves and long sleeves) are required to minimize the risk of inhalation and dermal sensitization. If breathing is affected or a dermal rash develops, immediately cease using this product and seek medical attention. Read MSDS before using.&&

About

Crystal Clear® 220 & 221 are water white clear resins made specifically for applications that require absolute clarity. These are “heat cure” systems and are harder versions of our popular Crystal Clear® Series resins (Shore 85D). Cured castings are UV Resistant (resists yellowing due to ultra-violet light exposure) and are not brittle. Vibrant colors and color effects are achieved by adding pigment dispersions. Applications include encapsulation, making prototype models, lenses, sculpture reproductions, decorative cast pieces, jewelry, special effects and props. CAUTION: NOT FOR HOME USE. THIS PRODUCT IS FOR INDUSTRIAL USE ONLY. Proper ventilation, A NIOSH Approved Respirator and Protective Clothing (gloves and long sleeves) are required to minimize the risk of inhalation and dermal sensitization. If breathing is affected or a dermal rash develops, immediately cease using this product and seek medical attention. Read MSDS before using.&&

Product Description
Generic	PUR
Material Status	Commercial: Active
Features	Weather resistance is good,Good Clarity,Good Hardness,Good color stability,Good coloring
Availabilitys	Africa & Middle East ,North America,Latin America,Asia Pacific,Europe

Technical Data
PHYSICAL	Nominal value	Unit	Test method
Density	1.07	g/cm³	ASTM D1475
Specific volume	0.936	cm³/g	ASTM D1475
Shrinkage rate
MD	1.7	%	ASTM D2566

Thermosetting mixed viscosity	Nominal value	Unit	Test method
stripping time	Overnight Followed By Post-Cure

Supplementary information	Nominal value	Unit	Test method
Casting Thickness	< 7.62	cm
Mixing ratio	100A:75B by weight

MECHANICAL	Nominal value	Unit	Test method
Shore hardness
Shaw’s D	85		ASTM D2240
Tensile modulus	197	MPa	ASTM D638
tensile strength
fracture	56.5	MPa	ASTM D638
Tensile strain
fracture	12	%	ASTM D638
Bending modulus	2100	MPa	ASTM D790
bending strength	78.6	MPa	ASTM D790
Compression modulus	600	MPa	ASTM D695
compressive strength	69.6	MPa	ASTM D695

THERMAL	Nominal value	Unit	Test method
Hot deformation temperature
1.8 MPa, unannealed	80.0	℃	ASTM D648
storage stability	22	min

Notes
1. Typical properties: these are not to be construed as specifications.
2. 25°C
3. 20°C
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